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Academic literature on the topic 'Curculio'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 March 2023

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Journal articles on the topic "Curculio"

Talwar, Neelima. "Trophic Relationships, Life Cycle Strategies and Distribution pattern of Genus Curculio (Curculioninae: Curculionidae: Coleoptera)." Indian Journal of Forestry 36, no. 4 (December 1, 2013): 463–66. http://dx.doi.org/10.54207/bsmps1000-2013-143731.

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The host range and biology of three Indian species namely Curculio c- album Fab., Curculio ficusi (Pajni & Singh) and Curculio sikkimensis (Heller) has been reviewed in the light of similar information on eighteen species namely Curculio caryatrypes (Boh.), Curculio sayi (Gyll.), Curculio aurivestis Chitten., Curculio pardus Chitten., Curculio venosus (Graven.), Curculio glandium (Marsham), Curculio elephas (Gyll.), Curculio pellitus (Boh.), Curculio dentipes (Roel.), Curculio bimaculatus Faust, Curculio propinquus (Desbr.),Curculio obtusus Blanchard, Curculio nucum (Linn.), Curculio caryae(Horn), Curculio camelliae , Curculio chinensis Chevrolat Curculio occidentis ( Casey) and Curculio victoriensis (Chitten.) available in different parts of the globe. The role of Curculio species as pests of edible nuts and destroyers of forest seeds has been highlighted.

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Leskey, Tracy C. "Reproductive Development of Female Plum Curculio (Coleoptera: Curculionidae) in the Mid-Atlantic: Presence of Multivoltine Populations." Journal of Entomological Science 43, no. 2 (April 1, 2008): 208–16. http://dx.doi.org/10.18474/0749-8004-43.2.208.

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The plum curculio, Conotrachelus nenuphar (Herbst), is a key pest of pome and stone fruit throughout eastern and central North America. There are two strains of plum curculio, the univoltine ‘northern’ strain and the multivoltine ‘southern’ strain. Voltinism associated with populations located in the mid-Atlantic region has been unclear from historic records, with recent studies suggesting multivoltine populations. In studies conducted in West Virginia, female plum curculios obtained from emergence and screen traps and from samples of host tree canopies strongly indicate the presence of at least some multivoltine populations, based on an ovarian development bioassay. Two periods of active oogenesis were detected. The first occurred in early spring between late April and early May and represented overwintered females reaching sexual maturity. A second period of oogenesis was detected beginning in late June and continuing through early August. Based on degree day accumulations and known developmental rates of plum curculio, the mid-Atlantic is comprised, at least in part, of multivoltine populations. Fruit growers, therefore, must consider that plum curculio can pose a threat to tree fruit throughout the active growing season.

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Caldara, Roberto, Michael Košťál, and Miguel A. Alonso-Zarazaga. "NOTES ON THE TAXONOMY OF TWO LITTLE KNOWN TAXA OF CURCULIO LINNAEUS, 1758 (Coleoptera, Curculionidae)." Fragmenta Entomologica 44, no. 1 (April 30, 2012): 95. http://dx.doi.org/10.4081/fe.2012.36.

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Two actions preserve taxal nomenclatural stability within Curculionidae in accordance with the Code. Following the provisions of ICZN Article 23.9.1 Curculio pellitus (Boheman, 1843) (formerly Balaninus) becomes a nomen protectum and Curculio gulosus Fabricius, 1792 a nomen oblitum; Curculio villosus Fabricius, 1781 becomes a nomen protectum and Curculio cerasorum Fabricius, 1775 a nomen oblitum. Having met the conditions of ICZN Article 74 and Article 75, the lectotypes of Curculio gulosus Fabricius, 1792 and Curculio cerasorum Fabricius, 1775, and the neotype of Curculio villosus Fabricius, 1781 are designated. The following new synonymy is proposed: Curculio pellitus (Boheman, 1843) = Curculio gulosus Fabricius 1792 n. syn. and the synonymy Curculio villosus Fabricius, 1781 = Curculio cerasorum Fabricius, 1775 is confirmed

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Leskey, Tracy C., Torri J. Hancock, and Starker E. Wright. "Host-tree-related differences in trap captures and electroantennogram activity of Conotrachelus nenuphar (Coleoptera: Curculionidae)." Canadian Entomologist 142, no. 3 (June 2010): 284–93. http://dx.doi.org/10.4039/n09-074.

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AbstractThe plum curculio, Conotrachelus nenuphar (Herbst), is a serious pest of stone and pome fruits (Rosaceae) in eastern North America. We recorded captures of adult plum curculios in the field and measured electroantennogram (EAG) activity in the laboratory associated with cultivars of four hosts, ‘Formosa’ Japanese plum (Prunus salicina Lindl.), ‘Stanley’ European plum (P. domestica L.), ‘Empire’ apple (Malus domestica Borkh.), and ‘Loring’ peach (P. persica (L.) Batsch) (Rosaceae) to determine whether hosts that may be attractive to the plum curculio under field conditions also elicit positive EAG responses. Trap captures of adults on ‘Formosa’ plum were significantly greater than on any other host, and corresponding headspace extracts also produced strong EAG responses throughout the active season. ‘Stanley’ plum and ‘Loring’ peach, the other stone-fruit hosts included in the study, elicited strong EAG responses throughout the season, although trap captures associated with these hosts were generally not as high as for ‘Formosa’ plum. Throughout the season, trap captures of adults were significantly lower for ‘Empire’ apple than for ‘Formosa’ plum, and EAG responses were much lower than for all stone-fruit hosts. Our results indicate that volatiles from ‘Formosa’ plum likely contain uniquecompounds or are comprised of ratios of stimulating compounds that make it much more attractive to plum curculio in the field.

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Alonso-Zarazaga, Miguel A., and Richard T. Thompson. "On some weevil species described by Linnaeus (Coleoptera, Curculionoidea)." Insect Systematics & Evolution 19, no. 1 (1988): 81–86. http://dx.doi.org/10.1163/187631289x00069.

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AbstractThe identities of seven weevil species described by Linnaeus are discussed and lectotypes designated for six of them, viz. Curculio craccae, C. frumentarius, C. algirus, C. cloropus, C. ater, and C. trifolii. A Iectotype is also designated for Curculio sanguineus De Geer. Curculio frumentarius L. is shown to be a senior objective synonym of C. [Apion] sanguineus De Geer. The next available name for A. frumentarium auctt., non (L.), is A. haematodes Kirby (SP. REV.). A. rubiginosum Grill is confirmed as the valid name for A. sanguineum auctt., non (De Geer). Curculio algirus L. is transferred from Lixus to Lixomorphus and becomes a senior synonym of Lixomorphus barbarus (Olivier) and L. ocularis (F.) (SYNN. N). The next available name for Lixus algirus auctt., non (L.), is L. angustatus (F.)(SP. REV.) and that for Curculio (BrachycerusJ algirus F., nec L., is B. muricatus Olivier (SP. REV.). The traditional interpretation of Curculio [Rhynchaenus]fagi L. is confirmed. Curculio cloropus L. is shown to be a senior synonym of Phyllobius viridicollis (F.) (SYN. N.) and not of Rhyncolus ater (L.), as commonly supposed. Curculio ater L. is confirmed as type species of Rhyncolus Germar.

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Plautus. "Curculio aneb Darmojed." Theatralia, no. 2 (2018): 237–67. http://dx.doi.org/10.5817/ty2018-2-23.

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Huang, Junhao, and Enzo Colonnelli. "On the true identity of Curculio pericarpius Linnaeus, 1758 (Coleoptera: Curculionidae)." Fragmenta Entomologica 46, no. 1-2 (October 31, 2014): 117. http://dx.doi.org/10.4081/fe.2014.74.

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Basing on the study of the type specimen of Curculio pericarpius Linnaeus, 1758 preserved in the Linnean Collection in London, and here designated as the lectotype, it was found that this name was misapplied to another close species of the genus Rhinoncus Schoenherr, 1825 starting from the Paykull 1792 misidentification. As a consequence, the following new synonymies are established: Rhinoncus pericarpius (Linnaeus, 1758) [= Curculio castor Fabricius, 1792, syn. n.; = Curculio interstitialis Reich, 1787, syn. n.; = Curculio scabratus Fabricius, 1792, syn. n.; = Curculio fruticulosus Herbst, 1795, syn. n.; = Curculio interstitialis Reich, 1797, syn. n.; = Rhynchaenus seniculus Gravenhorst, 1807, syn. n.; = Campylirhynchus quadricornis (Gyllenhal, 1813) sensu Dejean, 1821: 85 [misidentification] not Rhynchaenus quadricornis Gyllenhal, 1813, syn. n.; = Rhinoncus flavipes Stephens, 1831, syn. n.; = Rhinoncus rufipes Stephens, 1831, syn. n.; = Rhinoncus granulipennis Gyllenhal, 1837, syn. n.; = Rhinoncus pyrrhopus Boheman, 1845 sensu Hatch & Kincaid,1958: 20 [misidentification] not Rhinoncus pyrrhopus Boheman, 1845, syn. n.]; and Rhinoncus leucostigma (Marsham, 1802) [ = Curculio pericarpius Linnaeus, 1758 sensu Paykull, 1792 [misidentification] not Curculio pericarpius Linnaeus, 1758, syn. n.; = Cryptorhis herbstii Billberg, 1820: 43 [replacement name for Curculio pericarpius Linnaeus sensu Paykull, 1792], syn. n.; = Rhinoncus spartii Stephens, 1831, syn. n.; = Rhinoncus sanguinipes Reitter, 1916, syn. n.; = Rhinoncus pericarpius ssp. montanus Hoffmann, 1960, syn. n.]. Lectotypes are designated for Curculio pericarpius Linnaeus, 1758 and Curculio leucostigma Marsham, 1802. A neotype is selected for Curculio interstitialis Reich, 1797.

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Prokopy, Ronald J., Michael Marsello, Tracy C. Leskey, and Starker E. Wright. "Evaluation of Unbaited Pyramid Traps for Monitoring and Controlling Plum Curculio Adults (Coleoptera: Curculionidae) in Apple Orchards." Journal of Entomological Science 34, no. 1 (January 1, 1999): 144–53. http://dx.doi.org/10.18474/0749-8004-34.1.144.

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We investigated unbaited black pyramid traps, placed on the ground, for monitoring overwintered adult plum curculios, Conotrachelus nenuphar (Herbst), in eight large commercial apple orchards in Massachusetts. None of the trap positions for any tree size in any orchard showed a significant positive relationship between the temporal occurrence of adult captures from petal fall until 4 to 5 wks afterward and the temporal occurrence of adult-initiated ovipositional injury to developing fruit during the same period. The amount of adults captured by traps was not significantly related to the amount of injury to fruit caused by adults, either across the entire period of overwintered adult activity or within periods of adult activity before, between or following insecticide applications. Similar traps placed next to trunks of groups of four adjacent trees in a small unmanaged orchard or next to trunks of every tree in a small commercial orchard failed to provide detectable or commercially-acceptable control of plum curculio. An alternative to unbaited pyramid traps on the ground is needed to effectively monitor or control plum curculio in apple orchards in Massachusetts.

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SZÉNÁSI, VALENTIN. "A new species of the genus Curculio Linnaeus, 1758 (Coleoptera: Curculionidae) from Hungary and the Balkan Peninsula." Zootaxa 5162, no. 5 (July 11, 2022): 583–92. http://dx.doi.org/10.11646/zootaxa.5162.5.8.

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The new species Curculio gyongyiae sp. nov. from Hungary, Croatia and Greece is described and illustrated. A key for identifying the Hungarian Curculio and a map of distribution of the new species in Hungary are also given.

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Behne, Lutz. "Stüben, P. E. 2018: The Cryptorhynchinae of the Western Palearctic / Die Cryptorhynchinae der Westpaläarktis (Coleoptera: Curculionidae)." Beiträge zur Entomologie = Contributions to Entomology 68, no. 1 (August 1, 2018): 30. http://dx.doi.org/10.21248/contrib.entomol.68.1.30.

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Stüben, P. E. 2018: The Cryptorhynchinae of theWestern Palearctic / Die Cryptorhynchinae der Westpaläarktis(Coleoptera: Curculionidae). – Selbstverlag,Mönchengladbach: 518 pp., 3999 photographs mountedon 871 plates, 416 maps, 30 dendrograms (English andGerman) print & order Curculio Institute, Germany:Mönchengladbach, curculio@t-online.de.

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Dissertations / Theses on the topic "Curculio"

Oberli, Frantz. "Influence de l'hôte végétal et de l'hétérogénéité spatiale et temporelle de l'environnement sur l'évolution des traits d'histoire de vie chez les insectes phytophages : exemple du balanin de la châtaigne, Curculio elephas Gyll. (coléoptère, Curculionidae)." Lyon 1, 2001. http://www.theses.fr/2001LYO10080.

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Notre travail s'intègre dans le cadre théorique de l'évolution des traits d'histoire de vie en environnement hétérogène à la fois dans l'espace et le temps. Il a pour but général de comprendre comment le type et la structure de l'habitat, ainsi que sa variabilité temporelle, influencent les comportements et les traits d'histoire de vie des insectes. L'objectif de notre étude est triple : 1) tester l'hypothèse des trade-offs (compromis évolutifs) générés par l'exploitation de différentes espèces végétales hôtes par les insectes oligophages, 2) tester l'influence de l'hôte végétal et de la structure d'habitat sur l'évolution des populations naturelles d'insectes en nous replaçant dans le cadre théorique des métapopulations et 3) comprendre comment la variabilité temporelle de l'habitat a pu sélectionner des stratégies mixtes de diapause (bet-hedging). Pour cela, nous avons choisi comme modèle biologique le balanin de la châtaigne qui se développe à la fois dans les châtaignes et les glands et peut vivre dans des habitats plus ou moins fragmentés. Nous avons montré que les forces sélectives liées à la plante hôte et à l'intervention de l'homme (via le ramassage des châtaignes) génèrent un trade-off entre la survie et la fécondité de l'insecte et que ce trade-off détermine en grande partie la fitness globale du balanin. Notre travail a également montré comment l'homme a influencé la structure et l'évolution des métapopulations de balanins dans différents types d'habitat. Enfin, l'ensemble de nos résultats démontre l'importance d'une variabilité de la durée de la diapause (bet-hedging) en réponse à la stochasticité environnementale dans l'évolution de Curculio elephas.

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Soula, Bertrand. "Evolution des caractères discrets en environnement variable : exemple de la durée du cycle de vie chez les insectes : application au balanin de la châtaigne Curculio elephas." Lyon 1, 2002. http://www.theses.fr/2002LYO10041.

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Notre travail s'inscrit dans le cadre théorique de l'évolution des traits d'histoire de vie en environnement variable. Son but est de préciser le déterminisme de la variabilité intra-populationnelle de la durée du cycle de vie incluant une diapause prolongée chez un insecte. Cette variabilité phénotypique peut théoriquement résulter, soit d'un polymorphisme génétique de stratégies pures, soit du bet-hedging diversifié (plasticité non-prédictive), c'est-à-dire une adaptation à la stochasticité environnementale (Seger & Brockmann, 1987). Nous avons démontré l'existence du bet-hedging diversifié chez le balanin de la châtaigne Curculio elephas. Pour cela, nous avons montré que la variabilité de la durée du cycle de vie ne pouvait pas être maintenue chez cette espèce par un polymorphisme génétique de stratégies pures. Nous avons en revanche montré que cette variabilité résultait d'une plasticité phénotypique non-prédictive en réponse aux conditions de nutrition pré-diapause des larves. Cependant, une variabilité génétique n'est pas absente d'un tel système, ce qui suggère l'existence d'un polymorphisme de différentes stratégies de bet-hedging. Par une approche éco-physiologique, nous avons précisé les mécanismes proximaux sous-jacents à la stratégie de bet-hedging. D'une part, nous avons mis en évidence un type de cycle long différent de celui supposé chez les espèces à diapause prolongée. D'autre part, nous avons montré que les individus à cycle long compensaient le coût métabolique dû à une vie plus longue avant la reproduction par des réserves lipidiques initialement plus élevées que chez les individus à cycle court. Enfin, nous avons proposé un mécanisme adaptatif permettant d'expliquer le cycle exprimé par les génotypes bet-hedgers.

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Hoffmann, Eric James. "Identification & characterization of key insecticide performance mechanisms for the control of plum curculio (Conotrachelus nenuphar) in Michigan tart cherries." Diss., Connect to online resource - MSU authorized users, 2008.

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Desouhant, Emmanuel. "Stratégies de ponte et traits d'histoire de vie chez les insectes : exemple du balanin de la châtaigne, Curculio elephas (coléoptère, curculionidae), en conditions naturelles." Lyon 1, 1997. http://www.theses.fr/1997LYO10338.

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Ce travail s'integre dans le cadre de l'evolution des traits d'histoire de vie chez les insectes. Il a pour but d'estimer les principaux parametres demographiques chez le balanin de la chataigne, curculio elephas, afin de predire quelle est la meilleure strategie de ponte en terme de compromis evolutif. Face un site de ponte, un insecte doit faire face a une sequence decisionnelle qui resume la strategie de ponte : 1) ou pondre ses ufs, 2) quand les pondre et 3) combien en pondre dans chaque site (charnov & skinner, 1985). Les strategies de ponte chez les insectes conditionnent la qualite des individus et le taux d'accroissement des populations. Nous avons montre a partir d'une etude du comportement de ponte qu'une femelle curculio elephas ne semble pas limitee par le temps pour realiser sa fecondite. En conditions naturelles, une femelle depose un ou deux ufs par chataigne dans 77% des fruits ; elle selectionne ses sites de ponte, evite ceux contenant du carpocapse, cydia splendana, mais pas ceux ayant deja recu une ponte de balanin. Nos resultats suggerent un comportement aleatoire de ponte mais uniquement sur une fraction des chataignes, l'autre partie etant evitee. Nous avons mis en evidence des correlations phenotypiques negatives entre la taille de ponte et d'une part, la survie larvaire et d'autre part la fecondite potentielle des femelles. D'un point de vue evolutif, nous avons montre, a partir des estimations des principaux traits d'histoire de vie, que la valeur selective d'une strategie (ou genotype) conduisant a la ponte d'ufs en paquets est inferieure a celle de la strategie actuellement observee, qui consiste a disperser les descendants dans de nombreux fruits. Dans la discussion nous nous interrogerons en particulier sur l'existence d'une taille optimale de ponte et sur l'influence d'un changement ancien de plante-hote sur la strategie actuelle de ponte chez le balanin.

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Cappiello, Luigia. "Un Commento al Curculio di Plauto (vv.1-370)." Doctoral thesis, Universita degli studi di Salerno, 2015. http://hdl.handle.net/10556/2129.

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2012 - 2013
This work is a partial commentary on Plautus’ Curculio. It comes from the lack of Curculio scientific commentaries and from the need of gathering and developing the starting points of the Plautine research. Unfortunately, the Plautine studies tradition is very ungenerous toward the Curculio. The scholars have usually dealt with the Curculio in generic works. They have sometimes studied specific features of this comedy. Before my commentary notes, there is an introduction where the whole play is examined. In my opinion, one can hardly deal with dating, model, set and so on without a look at all parts of the text. At the same time, the whole plot is considered in order to give possibility of impartial judgment on the comedy events. I have examined the first six scenes of the play (vv. 1-370). There is a short introduction to each one. The reference text is S. Lanciotti’s critical edition that was published by Quattroventi of Urbino in 2008. The few points where I don’t agree with professor Lanciotti are pointed out in the commentary notes. The history of Curculio text is discussed in the light of the choices of the most important Plautine publishers. Importance is attached with the Plautine use of the examined headwords in his whole corpus in order to notice possible trends. Puns and double meanings are discussed. Hints at the Historic, Legal and Customs substratum of the comedy age aren’t neglected. Words that allude to the stage arrangement and to the players’ movements are treated. [edited by author]
XII n.s.

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Manel, Stéphanie. "Modélisation de la durée de développement pré-imaginal chez les poïkilothermes sous régime de températures variables." Lyon 1, 1995. http://www.theses.fr/1995LYO10277.

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Nous proposons des methodes integrant les temperatures variables ainsi que la variabilite individuelle, permettant de predire la duree mediane de plusieurs stades de developpement d'insectes. Cette etude sera appliquee plus particulierement au balanin de la chataigne (curculio elephas). Une etude au laboratoire montre que les vitesses des developpements embryonnaire et larvaire du balanin sont lineaires en fonction de la temperature. Le logit de la proportion d'ufs ou de larves du balanin se developpant en conditions naturelles est modelise en fonction d'une echelle physiologique, lineaire. Deux methodes differentes d'estimation des parametres sont proposees: une indirecte (faisant appel a la methode de la vraisemblance profilee) et l'autre directe (estimant tous les parametres au maximum de vraisemblance). Elles conduisent a des resultats proches: par exemple le developpement embryonnaire necessiterait 109 dj, base 6,5c, soit huit jours a la temperature constante de 20c. Une distribution logistique est ajustee a la proportion des sorties larvaires observees a une date t par rapport au nombre total de larves sorties. Par exemple un uf eclos le 14 septembre donnera naissance a une larve qui quittera la chataigne le 24 octobre. Nous discutons egalement de la sensibilite des modeles a la temperature. Nous etudions la variabilite individuelle du developpement a partir des durees du premier et du dernier deciles des distributions. Des simulations ont montre que le nombre de dates d'observation de la population et la taille de l'echantillon, issu d'une population caracterisee par les frequences d'individus dans les divers stades de developpement, ont peu d'influence sur la precision des estimations des modeles. Nous avons egalement mis en evidence la difficulte a predire simultanement la duree des differents stades de developpement quand l'echelle physiologique n'est pas commune aux stades

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Hughes, Joseph. "Evolution and ecology of seed predation in weevils (genus Curculio)." Thesis, Imperial College London, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.408848.

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Zhang, Xing. "Biogeography and biosystematics of plum curculio, Conotrachelus nenuphar (Herbst)/Wolbachia interactions." Diss., Virginia Tech, 2006. http://hdl.handle.net/10919/25948.

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This research focused on the reproductive incompatibility and genetic differences between the two strains of plum curculio, Conotrachelus nenuphar (Herbst). Two molecular markers served as the basis for the strain distribution analysis of plum curculio and Wolbachia symbiont. One marker is the partial mitochondrial cytochrome oxidase gene subunit I (mtCOI) of plum curculio. Another marker is the Wolbachia Surface Protein (wsp) gene of Wolbachia associated with plum curculio. First, the reproductive compatibility of cross-populations mating in plum curculio was studied during the summers of 2004 and 2006. The results confirmed the reproductive incompatibility among plum curculio geographic populations. A unidirectional incompatibility was revealed in an approximate north and south transect of the range of plum curculio (4 x 4 two factorial design: NY, VA, FL, and WV): there was a significant low fertility in WV males mated with NY (40%) and VA (29%) females. The Florida population showed a different pattern: FL males have a significantly lower fertility with VA (46%) and WV (37%) females while FL females were compatible with all males from the four populations. The results of experiment 2 indicated that within the northern geographic area populations (3 x 3 two factorial design: NY, MA, and NJ) were compatible with each other. An opposite unidirectional reproductive incompatibility was revealed in the combination of NJ males with FL females, which showed a significant low fertility (47%). A bi-directional incompatibility occurred between FL and WV reciprocal cross mating. FL males mated with WV females (26%) and WV males mated with FL females (21%) both have the significant low fertility compared to fertility of within their population matings. The genetic diversity among plum curculio populations from different geographic locations was investigated using the partial mtCOI gene. A total of 50 samples from 10 populations were sequenced. PCR products were 863 bp in length. A total of 23 unique sequence haplotypes were found in the 50 samples tested. Haplotype G (n = 5), L (n = 12) and T (n = 13) comprised 60% of 50 samples. The nucleotide distances between those haplotypes ranged from 0.12% to 4.87%. Genetic distances between northern and southern group plum curculios range from 4.17% to 4.87%. Two distinct major clades were found, using three different phylogenetic analyses: 1) neighbor joining (NJ), 2) maximum-parsimony (MP), and 3) maximum-likelihood (ML). 100% bootstraps support the northern clade and the southern clade was strongly supported (100/100/86, NJ/MP/ML) as well. The mid-southern subclade within the southern clade was also strongly supported (70/82/71, NJ/MP/ML) and the far-southern subclade was supported in NJ tree (81%) but was not resovled in MP and ML trees. The mid-southern subclade included haplotypes from two NJ, Washington, VA (Ra), Blacksburg, VA (BL) and 50% of WV populations and the far-southern subclade included haplotypes from FL, GA, Whitethorne, VA (Ke), Troutville, VA (Bo) and another 50% of WV populations. The results suggested that the northern and the southern clade could correspond with the northern and southern strains, respectively, of plum curculio. In this study, the mtCOI sequence was highly informative as a molecular marker in that it was useful to distinguish C. nenuphar from northern and from southern geographic locations in the eastern United States. However, the number of generations per year of several geographic populations within the southern clade still needs to be determined. The distribution of Wolbachia infection associated with plum curculio strains was investigated. 91 of 93 samples were infected by Wolbachia. Three unique Wolbachia strains were identified. The strains wCne1 and wCne2 (593 bp) were 97% identical, and their sequences were both 84% identical with wCne3 (590 bp). The wsp sequence of wCne1 was 99% identical to Wolbachia sequenced from the neotropical beetle, Chelymorpha alternans Boheman (Keller et al. 2004). The wCne2 sequence was 98.5% identical to the flower bug, Orius nagaii Yasunaga (Miura and Tagami, unpublished). The wCne3 sequence was 100% identical to Wolbachia sequenced from the tephritid fruit fly, Dacus destillatoria (Jamnongluk et al. 2000) and the ant, Formica exsecta (Reuter and Keller 2003). PCR - Restriction Fragment Length Polymorphism (RFLP) was used for superinfection detection. Of 93 samples, 15 (16.1%), 21 (22.6%), 19 (20.4%), 36 (38.7%) samples were infected by wCne1, wCne2, wCne1 plus wCne2, and wCne3, respectively. Only two (2.2%) samples had no infection. The wCne3 strain was always present as a single infection. Therefore, current results suggest that Wolbachia strains approximate the distribution of plum curculio strains: the northern strain is infected with wCne1 and wCne2 strains in supergroup B, the southern strain is infected with wCne3 strain in supergroup A and the mid-Atlantic region is the convergence area. Compared with the haplotype distribution of plum curculio mtCOI gene, there was a closer relation of the mid-southern PC clade to the far-southern clade than to the northern clade. However, Wolbachia symbionts in mid-southern PC are more closely related to those in northern PC than to those in far-southern PC. The relationship of Wolabchia infection with reproductive incompatibility between plum curculio populations is also discussed.
Ph. D.

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Racette, Gaétan. "Daily activity of plum curculio, Conotrachelus nenuphar (Herbst) (Coleoptera: Curculionidae), and implications for control." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63903.

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Price, Steven J. "Understanding the Biology of Clover Root Curculio and Improving Their Management Using Biofumigation in Alfalfa." DigitalCommons@USU, 2017. https://digitalcommons.usu.edu/etd/6537.

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Clover root curculio (CRC) is a pest of alfalfa where larvae feed belowground damaging alfalfa roots. Regional knowledge of CRC activity and biology is limited making the development of pest management strategies difficult. One potential management technique for soil-dwelling pests is the use of biofumigant containing cover crops. Biofumigation can affect the survival and behavior of pest insects. However, biofumigant crops have not been evaluated against CRC or as a rotational crop compatible with alfalfa. The goals of this research were to determine 1) phenology, population sizes, and root damage severity of CRC occurring in the Intermountain region and 2) the direct and indirect suppressive effects of biofumigant cover crop incorporations on CRC and its agronomic compatibility in rotation with alfalfa. First, I observed that larval activity occurred from mid-spring to mid-summer and local larval densities were generally lower than those reported in the eastern U.S. Adult CRC began emerging from the soil in mid-summer having two population peaks. After the second fall peak of adults was when most eggs were deposited which continued through early winter. CRC damage to taproots was cumulative, increasing as stands age, with most damage occurring in the first few years of stand life and mostly occurring in the top 20 cm of roots. While the incorporation of biofumigant crops appeared to be compatible with alfalfa and did not negatively affect yield, in field trials, biofumigation did not suppress CRC, disrupt egg laying, or decrease feeding damage. In one greenhouse trial, biofumigants significantly suppressed adult feeding rates more than non-biofumigant plants but the effect was not consistent. Biofumigant incorporation timing, for field trials in particular, may have contributed to the lack of CRC suppression. Overall, my research provides a better understanding of CRC phenology and activity in northern Utah and will assist in improving the timing of management approaches in alfalfa.

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Books on the topic "Curculio"

Plautus, Titus Maccius. Curculio. Urbino: Quattroventi, 2008.

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Settimio, Lanciotti, ed. Curculio. Urbino: Quattroventi, 2008.

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1941-, Wright John, ed. Plautus' Curculio. Norman, Ok: University of Oklahoma Press, 1993.

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Anatomie plautine: Amphitruo, Casina, Curculio, Miles gloriosus. Urbino: Quattro venti, 2003.

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Chambliss, O. L. Evaluation of cowpea germplasm for resistance to cowpea curculio and other insect pests: May 15, 1992 thru May 14, 1996. Charleston, SC: U.S. Dept. of Agriculture, Agricultural Research Service, South Atlantic Area, U.S. Vegetable Laboratory, 1996.

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Denooz, Laurence. Plautus Curculio: Index verborum, lexiques inverses, relevés lexicaux et grammaticaux. Hildesheim: Olms, 1998.

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McBarron, Jan. Curcumin: The 21st century cure. 2nd ed. Brevard, NC: To Your Health Books, 2012.

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Farooqui, Akhlaq A. Therapeutic Potentials of Curcumin for Alzheimer Disease. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-15889-1.

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Engel, Peter A. Structural analysis of printed curcuit board systems. New York: Springer-Verlag, 1993.

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Aggarwal, Bharat B., Young-Joon Surh, and Shishir Shishodia, eds. The Molecular Targets and Therapeutic Uses of Curcumin in Health and Disease. Boston, MA: Springer US, 2007. http://dx.doi.org/10.1007/978-0-387-46401-5.

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Book chapters on the topic "Curculio"

Frank, J. Howard, J. Howard Frank, Michael C. Thomas, Allan A. Yousten, F. William Howard, Robin M. Giblin-davis, John B. Heppner, et al. "Plum Curculio, Conotrachelus nenuphar Herbst (Coleoptera: Curculionidae)." In Encyclopedia of Entomology, 2947–53. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_3017.

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Heppner, John B., John B. Heppner, Minos E. Tzanakakis, Minos E. Tzanakakis, Minos E. Tzanakakis, Pauline O. Lawrence, John L. Capinera, et al. "Olive Fruit Curculio, Rhynchites cribripennis Desbrochers (Coleoptera: Attelabidae)." In Encyclopedia of Entomology, 2665–66. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_1839.

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Teiten, Marie-Hélène, and Marc Diederich. "Curcumin." In Encyclopedia of Cancer, 1–5. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-27841-9_1412-4.

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Mehlhorn, Heinz. "Curcumin." In Encyclopedia of Parasitology, 611–12. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43978-4_4225.

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Mehlhorn, Heinz. "Curcumin." In Encyclopedia of Parasitology, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-27769-6_4225-1.

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Teiten, Marie-Hélène, and Marc Diederich. "Curcumin." In Encyclopedia of Cancer, 1251–55. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-46875-3_1412.

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Yuan, Tian-yi, and Guan-Hua Du. "Curcumin." In Natural Small Molecule Drugs from Plants, 679–84. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8022-7_110.

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Khare, C. P. "Curculigo orchioides Gaertn." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_431.

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Shrestha, Bharat Babu, Ripu M. Kunwar, Rainer W. Bussmann, and Narel Y. Paniagua-Zambrana. "Curculigo orchioides Benth. Hypoxidaceae." In Ethnobotany of the Himalayas, 1–9. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-45597-2_69-1.

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Bussmann, Rainer W., and Narel Y. Paniagua-Zambrana. "Curculigo orchioides Benth. Hypoxidaceae." In Ethnobotany of the Himalayas, 643–47. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-57408-6_69.

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Conference papers on the topic "Curculio"

Riley, David G. "Cowpea curculio,Chalcodermus aeneus, historical pest status, potential for spread, and current management." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.92467.

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Shafei, Laila Khaled, Mohamed Izham, and Nashiru Billa. "Is curcumin at the threshold of therapeutic effectiveness on patients with colon cancer? – A systematic review." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2021. http://dx.doi.org/10.29117/quarfe.2021.0118.

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Curcumin, obtained from Curcuma longa, has been the subject of decades of scientific investigation on its therapeutic usefulness. It is reported to possess several therapeutic properties, of which anti-colon cancer is of interest in this review. Clinically, however, curcumin has yet to firm up its place among established anti-colon cancer therapeutic contenders. We aimed to systematically review the prevailing clinical evidence on the role of curcumin in colon cancer treatment. The review drawing from literature on clinical studies indicates fairly long-term tolerability. No regression of tumor was reported when curcumin was the sole intervention. An increase in p53 level expression was reported in a placebo-controlled study but no reduction in PGE2 or 5HETE. Pharmacokinetic data on healthy humans indicate that formulated curcumin delivery systems present significantly higher systemic bioavailability. It appears therefore that the clinical use of curcumin can potentially be realized only through appropriate formulation interventions

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Xiao, Shulan, and Dong Ahn. "Co-encapsulation of fish oil with essential oils, lutein, and curcumin to produce stable fish oil powders with multiple functionalities using ovalbumin-polysaccharide coacervation." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/mood8370.

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Marine fish oil is the richest source of long-chain n-3 polyunsaturated fatty acids (LCn3PUFAs), particularly rich in EPA and DHA, with many health benefits. Lutein and curcumin are two bioactive compounds that prevent age-related macular degeneration and provide anti-cancer and anti-inflammatory functions. Directly adding fish oil (FO), lutein, and curcumin to meat during processing can produce products rich in DHA/ EPA, lutein, and curcumin and help improve human health without changing consumers' dietary habits. However, FO, lutein, and curcumin are unstable under processing and storage conditions and can cause undesirable quality issues such as lipid oxidation and fishy odor to the meat products. Encapsulation is a common strategy to overcome these challenges, and essential oils (EO) extracted from spices can mask fishy odor and inhibit lipid oxidation during encapsulating, processing, and storage. Thus, the FO and EOs were co-encapsulated first, and then lutein and curcumin were incorporated into the encapsulate to provide more functions to the final products. All the encapsulated FO-EO powders were stable at room temperature during the first ten days of storage, but GO produced the best protective effect among the EOs. Adding lutein or curcumin to the garlic EO-FO co-encapsulate significantly increased the MDA content in the encapsulation powders after ten days of storage. Similar results were also observed in the rosemary EO-FO group. The increased MDA content in the lutein- or curcumin-added FO-EO encapsulates might be due to the long dissolving time of the lutein or curcumin in the FO, which allowed prolonged air contacts to the fish oil. The encapsulation efficiency (EE%) of the final products increased significantly when rosemary and garlic EOs, lutein, and curcumin were used, but pepper black EO resulted in a decrease in the EE, probably due to the differences in the polarities of the essential oils.

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Srzednicki, George, Qixin Li, and Robert H. Driscoll. "Effects of different drying conditions on curcumin concentration in turmeric." In 21st International Drying Symposium. Valencia: Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/ids2018.2018.7247.

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Turmeric (Curcuma longa), belongs to Zingiberaceae family. The rhizomes contain bioactive compounds of the curcuminoids group (natural phenols). They are used in food and pharmaceutical industry. The aim of this research was to acquire dried turmeric with high total curcumin content. In this study, optimum turmeric drying conditions and new extraction techniques were explored. Fresh turmeric samples were subjected to constant vs changing drying air temperatures and pre-treatment (blanching). Changing drying air temperature and use of non-blanched turmeric slices resulted in the highest concentration of curcumin. Ultrasonic extraction instead of soxhlet extraction improved the extraction efficiency and decreased extraction time. Keywords: Turmeric, Curcumin; Drying; Blanching; Extraction

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Liu, Jie, Keyong Tang, Xuejing Zheng, and Yitong Dong. "Heat sealable soluble soybean polysaccharide based composite films containing gelatin and curcumin for oil packaging." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/rsfv1079.

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Polysaccharides have the potential to be used as green packaging materials because of their biodegradability, biocompatibility and renewability. In this work, soluble soybean polysaccharide (SSPS) based films containing gelatin and curcumin were fabricated for oil packaging. These composite films were heat seable and can easily be made into pouches. These pouches were used as food packaging material in edible oil packaging. The structure, physical and mechanical properties of the SSPS-based composite films were investigated. When compared to neat SSPS and SSPS/gelatin films, the composite films containing curcumin showed excellent antioxidant activity and certain antibacterial performance. The high oxygen barrier properties of the composite films resulted in reduced oxidative rancidity of soybean oil packaged in the pouches made from the SSPS-based films. Our results indicated that blending of SSPS, gelatin and curcumin effectively improved heat sealability and activity for edible oils.

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Mahakhei, M. V., L. N. Filippovich, J. V. Ignatovich, S. N. Shahab, L. F. Podobed, and E. P. Lobanova. "FILMS BASED ON POLYVINYL ALCOHOL AND CURCUMIN." In SAKHAROV READINGS 2022: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. International Sakharov Environmental Institute of Belarusian State University, 2022. http://dx.doi.org/10.46646/sakh-2022-1-279-282.

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Chaves, Matheus Andrade, and Samantha Cristina Pinho. "Effect of phospholipid composition on the structure and physicochemical stability of proliposomes incorporating curcumin and cholecalciferol." In 21st International Drying Symposium. Valencia: Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/ids2018.2018.7357.

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Proliposomes are dry phospholipid-based particles in which bioactives can be entrapped, and that can produce liposomal suspensions if adequately hydrated. In our study, curcumin and cholecalciferol were incorporated in proliposomes obtained by coating of micronized sucrose. Different mass ratios of Lipoid S40 and Phospholipon 90H were used to produce the proliposomes. The powders were structurally characterized and bioactives content were analyzed over 60 days of storage. Curcumin and cholecalciferol amounts in F100CV formulation were 100 and 98.7% of their initial amount, respectively. Strucutral characterization showed bioactives were successfully incorporated in concentrations compatible with recommended daily dosages. Keywords: proliposomes, curcuminoid, vitamin D3, Raman spectroscopy, powder characterization

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Nurjanah, N., and E. Saepudin. "Curcumin isolation, synthesis and characterization of curcumin isoxazole derivative compound." In PROCEEDINGS OF THE 4TH INTERNATIONAL SYMPOSIUM ON CURRENT PROGRESS IN MATHEMATICS AND SCIENCES (ISCPMS2018). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5132492.

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Mahran, Rama, Pan Shu, Duxin Sun, and Dean E. Brenner. "Abstract 5257: Cellular pharmacology of curcumin cellular pharmacology of curcumin±piperine." In Proceedings: AACR Annual Meeting 2017; April 1-5, 2017; Washington, DC. American Association for Cancer Research, 2017. http://dx.doi.org/10.1158/1538-7445.am2017-5257.

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Jiang, Fusheng, Tingting Yu, Xia Liu, Zhisha Ding, Zhelong Ma, and Ningchuan Shi. "Biodistribution of curcumin and its derivatives new aspects for curcumin administration." In 2011 International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE). IEEE, 2011. http://dx.doi.org/10.1109/rsete.2011.5965165.

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Reports on the topic "Curculio"

Xu, Jiayu, Liyuan Wang, He Sun, and Hanli Wang. Effectivenes and safety of curcumin in diabetic retinopathy. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, May 2022. http://dx.doi.org/10.37766/inplasy2022.5.0002.

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Choudhary, Ruplal, Victor Rodov, Punit Kohli, Elena Poverenov, John Haddock, and Moshe Shemesh. Antimicrobial functionalized nanoparticles for enhancing food safety and quality. United States Department of Agriculture, January 2013. http://dx.doi.org/10.32747/2013.7598156.bard.

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Original objectives The general goal of the project was to utilize the bactericidal potential of curcumin- functionalizednanostructures (CFN) for reinforcement of food safety by developing active antimicrobial food-contact surfaces. In order to reach the goal, the following secondary tasks were pursued: (a) further enhancement of the CFN activity based on understanding their mode of action; (b) preparing efficient antimicrobial surfaces, investigating and optimizing their performance; (c) testing the efficacy of the antimicrobial surfaces in real food trials. Background to the topic The project dealt with reducing microbial food spoilage and safety hazards. Cross-contamination through food-contact surfaces is one of the major safety concerns, aggravated by bacterial biofilm formation. The project implemented nanotech methods to develop novel antimicrobial food-contact materials based on natural compounds. Food-grade phenylpropanoidcurcumin was chosen as the most promising active principle for this research. Major conclusions, solutions, achievements In agreement with the original plan, the following research tasks were performed. Optimization of particles structure and composition. Three types of curcumin-functionalizednanostructures were developed and tested: liposome-type polydiacetylenenanovesicles, surface- stabilized nanoparticles and methyl-β-cyclodextrin inclusion complexes (MBCD). The three types had similar minimal inhibitory concentration but different mode of action. Nanovesicles and inclusion complexes were bactericidal while the nanoparticlesbacteriostatic. The difference might be due to different paths of curcumin penetration into bacterial cell. Enhancing the antimicrobial efficacy of CFN by photosensitization. Light exposure strengthened the bactericidal efficacy of curcumin-MBCD inclusion complexes approximately three-fold and enhanced the bacterial death on curcumin-coated plastic surfaces. Investigating the mode of action of CFN. Toxicoproteomic study revealed oxidative stress in curcumin-treated cells of E. coli. In the dark, this effect was alleviated by cellular adaptive responses. Under light, the enhanced ROS burst overrode the cellular adaptive mechanisms, disrupted the iron metabolism and synthesis of Fe-S clusters, eventually leading to cell death. Developing industrially-feasible methods of binding CFN to food-contact surfaces. CFN binding methods were developed for various substrates: covalent binding (binding nanovesicles to glass, plastic and metal), sonochemical impregnation (binding nanoparticles to plastics) and electrostatic layer-by-layer coating (binding inclusion complexes to glass and plastics). Investigating the performance of CFN-coated surfaces. Flexible and rigid plastic materials and glass coated with CFN demonstrated bactericidal activity towards Gram-negative (E. coli) and Gram-positive (Bac. cereus) bacteria. In addition, CFN-impregnated plastic material inhibited bacterial attachment and biofilm development. Testing the efficacy of CFN in food preservation trials. Efficient cold pasteurization of tender coconut water inoculated with E. coli and Listeriamonocytogeneswas performed by circulation through a column filled with CFN-coated glass beads. Combination of curcumin coating with blue light prevented bacterial cross contamination of fresh-cut melons through plastic surfaces contaminated with E. coli or Bac. licheniformis. Furthermore, coating of strawberries with CFN reduced fruit spoilage during simulated transportation extending the shelf life by 2-3 days. Implications, both scientific and agricultural BARD Report - Project4680 Page 2 of 17 Antimicrobial food-contact nanomaterials based on natural active principles will preserve food quality and ensure safety. Understanding mode of antimicrobial action of curcumin will allow enhancing its dark efficacy, e.g. by targeting the microbial cellular adaptation mechanisms.

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Reeves, Anna E., Eric Wickstrom, and Serguei V. Vinogradov. Curcumin-Combretastatin Nanocells as Breast Cancer Cytotoxic and Antiangiogenic Agent. Fort Belvoir, VA: Defense Technical Information Center, September 2008. http://dx.doi.org/10.21236/ada494015.

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Anderson, Sharron, Antony Lloyd, Malcom Baxter, Michael Walls, and Victoria Bailey-Horne. Turmeric survey – Final report. Food Standards Agency, July 2022. http://dx.doi.org/10.46756/sci.fsa.ojv940.

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The consumption of turmeric supplements is increasingly popular and is reported to provide numerous health benefits including antioxidant, analgesic, anti-inflammatory, antiseptic, anticarcinogenic, chemopreventive, chemotherapeutic, antiviral, antibacterial, antifungal and antiplatelet activities [1]. However, in recent months there has been a number of reports of hepatotoxicity linked to the consumption of these supplements. Such reports and scientific publications led to a review of the safety of turmeric and curcumin by the UK Committee on Toxicity of Chemicals in Food, Consumer Products and the Environment (COT). The statement issued by COT in November 2019 concluded “Given past reported contamination issues with turmeric supplements, the Committee concluded that there would be value in commissioning a chemical analysis of turmeric supplements and raw/powdered turmeric available on the UK market”. To address this conclusion the FSA requested Fera to: develop and validate in-house method(s) for measuring curcumin in turmeric containing supplements, ground/powdered turmeric and raw/fresh turmeric develop and validate in-house a method for measuring piperine in turmeric containing supplements purchase turmeric containing supplements (n=15), ground/powdered turmeric (n=10) and raw/fresh turmeric (n=5) from a mixture of local outlets and over the internet analyse all 30 samples for trace elements and curcumin analyse all supplement samples for piperine content.

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Michael Scolaro, Michael Scolaro. Targeting the brain with Curcumin: Can we treat Chronic Traumatic Encephalopathy? Experiment, September 2017. http://dx.doi.org/10.18258/10004.

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Chendil, Damodaran. Inhibition of Radiation Induced Pro-Survival Genes by Curcumin in Prostate Cancer. Fort Belvoir, VA: Defense Technical Information Center, April 2004. http://dx.doi.org/10.21236/ada426172.

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Michael Scolaro, Michael Scolaro. Can Effective Delivery of Curcumin be Used to Suppress Cancer Cell Growth? Experiment, August 2017. http://dx.doi.org/10.18258/9800.

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Vutakuri, Neha. Curcumin - Breast Cancer Therapeutic Agent to Replace Allopathic Treatments with Extensive Side Effects. Journal of Young Investigators, August 2018. http://dx.doi.org/10.22186/jyi.35.2.38-44.

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Zhao, Jie, Chao Mo, Wei Shi, Lifeng Meng, and Jun Ai. Effects of turmeric/curcumin on diabetic kidney disease: A meta-analysis of randomized controlled trials. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, August 2021. http://dx.doi.org/10.37766/inplasy2021.8.0001.

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Lim, Chu Hsien, Brian Kangas, and Jack Bergman. 2018/7/6/curcumin-breast-cancer-therapeutic-agent-to-replace-allopathic-treatments-with-extensive-side-effects. Journal of Young Investigators, August 2018. http://dx.doi.org/10.22186/jyi.35.2.45-49.

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