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Articles de revues sur le sujet « Parasitoids »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 25 juillet 2025

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1

Propp, Gary D., and Philip B. Morgan. "EFFECT OF HOST DISTRIBUTION ON PARASITOIDISM OF HOUSE-FLY (DIPTERA: MUSCIDAE) PUPAE BY SPALANGIA SPP. AND MUSCIDIFURAX RAPTOR (HYMENOPTERA: PTEROMALIDAE)." Canadian Entomologist 117, no. 5 (1985): 515–24. http://dx.doi.org/10.4039/ent117515-5.

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AbstractThe solitary, pupal parasitoids Spalangia spp. Muscidifurax raptor oviposited supernumerary eggs on house-fly pupae exposed at 3 poultry farms in north central Florida. The percentage total parasitoidism at the 3 sites was 23.7%, 33.6%, and 77.5%, while the percentage of the hosts containing supernumerary parasitoids was 6.2%, 10.7%, and 55.8%, respectively. The average number of parasitoids found per parasitoidized pupa ranged from 1.45 to 2.96. The parasitoids did not show a density-dependent response to spatial variation in host density. Among aggregates of hosts that contained at l

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Granadillo-Cuello, Jose Arnoldo, Alfonso Villalobos-Moreno, and Jorge Villamizar-Cobos. "Parasitoides de Trialeurodes vaporariorum Westwood, 1856 (Hemiptera: Aleyrodidae) en cultivos de fríjol en García Rovira, Santander." Respuestas 19, no. 2 (2014): 15–24. http://dx.doi.org/10.22463/0122820x.433.

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Antecedentes: El complejo mosca blanca es uno de los principales problemas entomológicos del país, ya sea por el gran número de hospederos como por su amplia distribución. Dos especies de este complejo son Bemisia tabaci y Trialeurodes vaporariorum; esta última, ha sido identificada como plaga de tomate, fríjol y tabaco en la zona de muestreo. Objetivo: Determinar las especies de parasitoides asociadas a Trialeurodes vaporariorum sobre cultivos de frijol en cuatro municipios de la Provincia de García Rovira, en el departamento de Santander. Métodos: La presente investigación se realizó en los

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Carlos Henrique Marchiori. "First occurrences of the host/parasitoid relationship in Brazil and Peru: Bibliographic summary." Open Access Research Journal of Life Sciences 1, no. 2 (2021): 015–41. http://dx.doi.org/10.53022/oarjls.2021.1.2.0119.

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It is common for parasitoidism to modify the behavior of the host species, facilitating the development and propagation of the parasitoid and establishing a highly specific relationship. In this case, herbivores such as cattle, sheep, deer, and rabbits are the definitive host of the parasitoid. The objective of this review is to describe the first occurrence of the host/parasitoid relationship in Brazil and Peru. The mini review consists of a bibliographic summary of parasitoids of the Order Hymenoptera parasitoids collected in Brazil and Peru. The research was carried out in studies related t

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Carlos Henrique Marchiori. "Intraspecific ecological relationships harmonious and inharmonious of parasitoids Class Insect Order Hymenoptera and a review." Open Access Research Journal of Multidisciplinary Studies 2, no. 1 (2021): 013–30. http://dx.doi.org/10.53022/oarjms.2021.2.1.0048.

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The aim of this study was to perform a bibliographic summary on the harmonic and disharmonious intraspecific ecological relationships of parasitoids (Insect: Hymenoptera). The mini review consists of bibliographical research on the parasitoids of the Hymenoptera Parasitic group. The research was conducted in studies related to quantitative aspects of the Superfamily, Family, Genus and Species (taxonomic groups) and in conceptual aspects such as: parasitism, parasitoidism, mutualism, spider parasitoids, "cockroaches karate kick parasitoid wasps to avoid becoming zombies", kicking defense by the

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Sagarra, L. A., C. Vincent, and R. K. Stewart. "Body size as an indicator of parasitoid quality in male and female Anagyrus kamali (Hymenoptera: Encyrtidae)." Bulletin of Entomological Research 91, no. 5 (2001): 363–67. http://dx.doi.org/10.1079/ber2001121.

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AbstractThe parasitoid Anagyrus kamali Moursi was recently introduced into the Caribbean as a biological control agent against the hibiscus mealybug, Maconellicoccus hirsutus Green. In the laboratory, parasitoid size, as measured by left hind tibia length, was positively correlated several indicators of the parasitoid‘s fitness: longevity, mating preference, fecundity, reproductive longevity, progeny emergence and sex-ratio. When fed ad libidum with honey drops, large male parasitoids lived significantly longer (29.1 ± 6.5 days) than small ones ± 5.7 days). Large females also lived significant

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Basheer, Abdel Nabi, Ghassan Ibraheem, Nesrine Diab, et al. "The Secondary Parasitoid Perilampus tristis Mayr, 1905 and its Effect on the Primary Parasitoids on the Codling Moth, Cydia pomonella L." Arab Journal for Plant Protection 41, no. 2 (2023): 146–51. http://dx.doi.org/10.22268/ajpp-41.2.146151.

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Basheer, A., G. Ibrahim, N. Diab, K. Al-Assas, R. Alsaied Omar, F. Al-Ghammaz, H. Nasrallah and Y. Idris. 2023. The Secondary Parasitoid Perilampus tristis Mayr, 1905 and its Effect on the Primary Parasitoids on the Codling Moth, Cydia pomonella L. Arab Journal of Plant Protection, 41(2): 146-151. https://doi.org/10.22268/AJPP-41.2.146151 The study was carried out in some apple orchards infested with the codling moth, Cydia pomonella (L.) (Lepidoptera: Tortricidae) in Khan Arnabah (Quneitra governorate) and Al-Hariseh (Sweida governorate). The study aimed to study the secondary parasitoid Peri

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Gillespie, David R., and Susanna Acheampong. "Dropping behaviour in Aulacorthum solani (Hemiptera: Aphididae) following attack by Aphidus ervi (Hymenoptera: Braconidae): are sticky stem bands a useful integrated pest management method?" Canadian Entomologist 144, no. 4 (2012): 589–98. http://dx.doi.org/10.4039/tce.2012.52.

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AbstractWe studied the dropping behaviour of the foxglove aphid, Aulacorthum solani (Kaltenbach) (Hemiptera: Aphididae), in response to disturbance by the parasitoid Aphidius ervi Haliday (Hymenoptera: Braconidae). We banded plant stems with sticky tape to prevent aphids from returning to the plants to determine if these would serve as an integrated pest management strategy for A. solani. Stem banding prevented A. solani that had dropped from returning to the plant; but the mortality associated with banding was not necessarily complementary to biological control by A. ervi. Up to 80% of aphids

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Ruberson, John R., Maurice J. Tauber, Catherine A. Tauber, and Ward M. Tingey. "INTERACTIONS AT THREE TROPHIC LEVELS: EDOVUM PUTTLERI GRISSELL (HYMENOPTERA: EULOPHIDAE), THE COLORADO POTATO BEETLE, AND INSECT-RESISTANT POTATOES." Canadian Entomologist 121, no. 10 (1989): 841–51. http://dx.doi.org/10.4039/ent121841-10.

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AbstractResistant potato plants influenced the parasitoid Edovum puttleri Grissell directly, as well as indirectly through eggs of the parasitoid’s host, the Colorado potato beetle, Leptinotarsa decemlineata (Say). In the field, E. puttleri parasitized more egg masses on plants with no glandular trichomes or with glandular trichomes bearing only enclosed droplets of exudate than on plants with two types of glandular trichomes (one with exposed droplets and the other bearing enclosed droplets). Trichomes with exposed droplets entrapped numerous parasitoids. Although rearing L. decemlineata on r

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Feltrin-Campos, Elidiane, Priscila Laranjeira Rôdas, Daniele Fabiana Glaeser, Fabrício Fagundes Pereira, and Harley Nonato de Oliveira. "Teste de Voo como Critério de Avaliação da Qualidade de Palmistichus elaeisis Delvare & LaSalle (Hymenoptera: Eulophidae)." EntomoBrasilis 9, no. 2 (2016): 137–39. http://dx.doi.org/10.12741/ebrasilis.v9i2.571.

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Resumo. A produção de inimigos naturais com qualidade comparável àqueles encontrados na natureza é primordial para os sistemas de criação de insetos em condições de laboratório, que vise atender a programas de controle biológico. Dentre os indicadores de qualidade de parasitoides, a capacidade de voo é uma característica importante a ser avaliada em laboratório, pois está relacionada à dispersão e alcance de abrigo, alimentos e hospedeiros em condições de campo. Palmistichus elaeisis Delvare & LaSalle é um endoparasitoide gregário, polífago, idiobionte que parasita pupas, principalmente da

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Heyerdahl, Rod H., and James D. Dutcher. "HYMENOPTEROUS PARASITOIDS OF PECAN LEAFMINERS1,2." Journal of Entomological Science 20, no. 4 (1985): 411–21. http://dx.doi.org/10.18474/0749-8004-20.4.411.

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Thirty-seven hymenopterous parasitoids, representing the families Braconidae, Encyrtidae, Eulophidae, and Eupelmidae were reared from the larvae and pupae of each of the pecan leafminers Stigmella juglandifoliella (Clemens) (Lepidoptera: Nepticulidae), Cameraria caryaefoliella (Clemens) (Lepidoptera: Gracillariidae), Phyllonorycter caryaealbella (Chambers) (Lepdioptera: Gracillariidae), and Coptodisca lucifluella Clemens (Lepidoptera: Heliozelidae). Six of the parasitoids were secondary or hyperparasitoids, 10 were gregarious parasitoids and 4 were multiple parasitoids. Parasitoid exuviae and

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Tondini, Elena, Daniele Sommaggio, Gaia Monteforti, and Ruggero Petacchi. "Shedding Light on Dasineura oleae Parasitoids: Local and Landscape Effects." Agronomy 13, no. 3 (2023): 667. http://dx.doi.org/10.3390/agronomy13030667.

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Dasineura oleae was considered a minor pest in olive orchards. However, in the last decade, outbreaks have been reported all over its distribution area. Little is known about D. oleae biological control strategies; therefore, investigations into the biology and ecology of D. oleae parasitoids are urgently needed. In this scenario, the present field study reported the flight period of D. oleae parasitoids, evaluating their relative abundance over other parasitoids living in olive orchards. Furthermore, it estimated the effect of local and landscape features on D. oleae parasitoids within the fr

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Laws, A. N., and A. Joern. "Variable effects of dipteran parasitoids and management treatment on grasshopper fecundity in a tallgrass prairie." Bulletin of Entomological Research 102, no. 2 (2011): 123–30. http://dx.doi.org/10.1017/s0007485311000472.

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AbstractGrasshoppers host a number of parasitoids, but little is known about their impact on grasshopper life history attributes or how those impacts may vary with land use. Here, we report on a three-year survey of nine grasshopper species in a tallgrass prairie managed with fire and bison grazing treatments. We measured parasitoid prevalence and the impact of parasitoid infection on grasshopper fecundity to determine if grasshopper-parasitoid interactions varied with management treatment. Adult female grasshoppers were collected every three weeks from eight watersheds managed with different

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Henry, Lee M., Bernard D. Roitberg, and David R. Gillespie. "Covariance of phenotypically plastic traits induces an adaptive shift in host selection behaviour." Proceedings of the Royal Society B: Biological Sciences 273, no. 1603 (2006): 2893–99. http://dx.doi.org/10.1098/rspb.2006.3672.

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Flexibility in adult body size allows generalist parasitoids to use many host species at a cost of producing a range of adult sizes. Consequently, host selection behaviour must also maintain a level of flexibility as adult size is related to capture efficiency. In the present study, we investigated covariance of two plastic traits—size at pupation and host size selection behaviour—using Aphidius ervi reared on either Acyrthosiphon pisum or Aulacorthum solani , generating females of disparate sizes. Natal host was shown to change the ranking of perceived host quality with relation to host size.

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Kraaijeveld, A. R., J. J. M. Van Alphen, and H. C. J. Godfray. "The coevolution of host resistance and parasitoid virulence." Parasitology 116, S1 (1998): S29—S45. http://dx.doi.org/10.1017/s0031182000084924.

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SummaryHost-parasitoid interactions are abundant in nature and offer great scope for the study of coevolution. A particularly fertile area is the interaction between internal feeding parasitoids and their hosts. Hosts have evolved a variety of means of combating parasitoids, in particular cellular encapsulation, while parasitoids have evolved a wide range of countermeasures. Studies of the evolution of host resistance and parasitoid virulence are reviewed, with an emphasis on work involvingDrosophilaand its parasitoids. Genetic variation in both traits has been demonstrated using isofemale lin

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Tawakkal, Muhammad Iqbal, Damayanti Buchori, Akhmad Rizali, Adha Sari, and Pudjianto Pudjianto. "Parasitoid Diversity and Host-Parasitoid Interaction in Oil Palm Plantations with Different Management System." Jurnal Perlindungan Tanaman Indonesia 23, no. 1 (2019): 39. http://dx.doi.org/10.22146/jpti.31232.

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Parasitoids play an important role in controlling pests, including pests of oil palm. To maximize biological control technique using parasitoids, interactions between pests and parasitoids need to be studied. This research aimed to study parasitoid diversity and host-parasitoid interaction in oil palm plantation with the different management system. The field research was conducted in oil palm plantation own by smallholder and company (PT Humusindo) in Jambi. Sampling insects was conducted by collecting pests (parasitoid host) on oil palm trees with age of four years old. Eggs, larvae, and pup

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Zhou, Jincheng, Ling Meng, and Baoping Li. "Defensive behaviors of the Oriental armywormMythimna separatain response to different parasitoid species (Hymenoptera: Braconidae)." PeerJ 5 (August 23, 2017): e3690. http://dx.doi.org/10.7717/peerj.3690.

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This study examined defensive behaviors ofMythimna separata(Lepidoptera: Noctuidae) larvae varying in body size in response to two parasitoids varying in oviposition behavior;Microplitis mediatorfemales sting the host with the ovipositor after climbing onto it whileMeteorus pulchricornisfemales make the sting by standing at a close distance from the host.Mythimna separatalarvae exhibited evasive (escaping and dropping) and aggressive (thrashing) behaviors to defend themselves against parasitoidsM. mediatorandM. pulchricornis. Escaping and dropping did not change in probability with host body s

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Herzog, Jenny, Christine B. Müller, and Christoph Vorburger. "Strong parasitoid-mediated selection in experimental populations of aphids." Biology Letters 3, no. 6 (2007): 667–69. http://dx.doi.org/10.1098/rsbl.2007.0362.

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Clonal diversity in asexual populations may be maintained if different clones are favoured under different environmental conditions. For aphids, parasitoids are an important variable of the biotic environment. To test whether parasitoids can mediate selection among host clones, we used experimental populations consisting of 10 clones of the peach–potato aphid, Myzus persicae , and allowed them to evolve for several generations either without parasitoids or in the presence of two species of parasitoid wasps. In the absence of parasitoids, strong shifts in clonal frequencies occurred, mostly in

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Gençer, Lütfiye, and Selma Seven. "Chalcidoid parasitoids of Micrurapteryx sophorivora [Lepidoptera: Gracillariidae] in Kuluncak, Turkey." Communication brève 86, no. 2 (2006): 133–34. http://dx.doi.org/10.7202/012513ar.

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This study deals with the parasitoids of Micrurapteryx sophorivora. Parasitoids of M. sophorivora were investigated on Robinia pseudoacacia in 2004 in the Kuluncak district, Turkey. Seven parasitoid species, Baryscapus nigroviolaceus, Cirrospilus pictus, Necremnus croton, Neochrysocharis arvensis, Neochrysocharis formosa, Pnigalio sp. and Pteromalus sp., were reared. Necremnus croton was found to be the most common parasitoid. All the parasitoids reared were recorded for the first time from Micrurapteryx sophorivora.

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Käse, Laura, Katja Metfies, Stefan Neuhaus, Maarten Boersma, Karen Helen Wiltshire, and Alexandra Claudia Kraberg. "Host-parasitoid associations in marine planktonic time series: Can metabarcoding help reveal them?" PLOS ONE 16, no. 1 (2021): e0244817. http://dx.doi.org/10.1371/journal.pone.0244817.

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In this study, we created a dataset of a continuous three-year 18S metabarcoding survey to identify eukaryotic parasitoids, and potential connections to hosts at the Long-Term Ecological Research station Helgoland Roads. The importance of parasites and parasitoids for food web dynamics has previously been recognized mostly in terrestrial and freshwater systems, while marine planktonic parasitoids have been understudied in comparison to those. Therefore, the occurrence and role of parasites and parasitoids remains mostly unconsidered in the marine environment. We observed high abundances and di

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Koutsogeorgiou, Eleni I., Theodoros Moysiadis, Georgios T. Fifis, Nikoloz E. Gogolashvili, Dimitrios Chatzimpalasis, and Stefanos S. Andreadis. "Age- and Density-Dependent Parasitism Rate and Development Time of the Generalist Egg-Parasitoid Ooencyrtus telenomicida (Hymenoptera: Encyrtidae) on Eggs of the Brown Marmorated Stink Bug, Halyomorpha halys." Insects 15, no. 1 (2023): 14. http://dx.doi.org/10.3390/insects15010014.

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Halyomorpha halys (Hemiptera: Pentatomidae) is an invasive pest species that was imported into Greece in 2011 and since then, has caused severe qualitative and quantitative damage to economically important crops. Its management relies mainly on the use of broad-spectrum insecticides, with little to no information available concerning the potential use of native parasitoids in terms of classical biological control. Our study aimed to assess the parasitism rate and development time of the gregarious egg parasitoid Ooencyrtus telenomicida (Hymenoptera: Encyrtidae) on H. halys egg-masses, dependin

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Miller, Kirsten E., Andrew Polaszek, and Darren M. Evans. "A dearth of data: fitting parasitoids into ecological networks." Trends in Parasitology 37, no. 10 (2024): 863–74. https://doi.org/10.1016/j.pt.2021.04.012.

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Studying parasitoids can provide insights into global diversity estimates, climate change impacts, and agroecosystem service provision. However, this potential remains largely untapped due to a lack of data on how parasitoids interact with other organisms. Ecological networks are a useful tool for studying and exploiting the impacts of parasitoids, but their construction is hindered by the magnitude of undescribed parasitoid species, a sparse knowledge of host ranges, and an under-representation of parasitoids within DNA-barcode databases (we estimate <5% have a barcode). Here, we advocate

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Maltais, J., J. Régnière, C. Cloutier, C. Hébert, and D. F. Perry. "SEASONAL BIOLOGY OF METEORUS TRACHYNOTUS VIER. (HYMENOPTERA: BRACONIDAE) AND OF ITS OVERWINTERING HOST CHORISTONEURA ROSACEANA (HARR.) (LEPIDOPTERA: TORTRICIDAE)." Canadian Entomologist 121, no. 9 (1989): 745–56. http://dx.doi.org/10.4039/ent121745-9.

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AbstractThe braconid parasitoid Meteorus trachynotus Vier. was found in overwintered larvae of the obliquebanded leafroller, Choristoneura rosaceana (Harr.), on foliage of a variety of deciduous species, well before the parasitoid’s attack on the spruce budworm, Choristoneura fumiferana (Clem.). In the spring, percentage parasitism of C. rosaceana by M. trachynotus was 8.0 and 18.8% in 1986 and 1987, respectively. Maximum parasitism on C. fumiferana (35 and 4% in 1986 and 1987, respectively) was reached in late June, at a time when over 50% of M. trachynotus cocoons found on deciduous vegetati

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Al-Hadrawi, Tamkin I., Anwar Jassam AllAllah, and Layth Hamdi Abdullah. "The Relationship Between the Presence of Sunn Pest Eurygaster testudinaria Geoffroy and Its Egg Parasitoids in Najaf Province." IOP Conference Series: Earth and Environmental Science 1158, no. 7 (2023): 072017. http://dx.doi.org/10.1088/1755-1315/1158/7/072017.

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Abstract A field study was carried out to find presence egg parasitoids on egg masses of sunn pest Eurygaster testudinaria Geoffroy and effect of some climatic conditions such as temperature and relative humidity in Kufa/Najaf province during 2017-2020 seasons. the results showed difference in the prevalence of parasitoids according to the species of parasitoids. The parasitoid O. telenomicida is the most common egg parasitoid in region of study and percentage parasitism ranged 6.06 -18.80% in March and 32.24-55.04% in April for all season. The results also showed that egg parasitoids activity

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Segoli, Michal, Miriam Kishinevsky, Tamir Rozenberg, and Ishai Hoffmann. "Parasitoid Abundance and Community Composition in Desert Vineyards and Their Adjacent Natural Habitats." Insects 11, no. 9 (2020): 580. http://dx.doi.org/10.3390/insects11090580.

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Parasitoids are important natural enemies of many agricultural pests. Preserving natural habitats around agricultural fields may support parasitoid populations. However, the success of such an approach depends on the ability of parasitoids to utilize both crop and natural habitats. While these aspects have been studied extensively in temperate regions, very little is known about parasitoid communities in desert agroecosystems. We took one step in this direction by sampling parasitoids in six vineyards and their surrounding natural desert habitat in a hyper-arid region of the Negev Desert Highl

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Irsan, Chandra. "Studi keberadaan hiperparasitoid dalam mempengaruhi perilaku imago parasitoid pada kutudaun, Aphis gossypii (Hemiptera: Aphididae)." Jurnal Entomologi Indonesia 5, no. 1 (2017): 17. http://dx.doi.org/10.5994/jei.5.1.17.

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Study Hyperparasitoid Existing Affected to Adul Parasitoid Behavior on Aphid, Aphis gossypii (Hemiptera: Aphididae). In general, hyperparasitoid is needed for establishing food and chain webs, but in contrary, it could become a limiting factor in existing biological control program. An observation to aim positive impact of hyperparasitoid existence has been carried out. Chili plant, Capsicum annuum, Aphis gossypii, Trioxys sinensis parasitoid and Aphidencyrtus sp. were used in this observation. Results showed that hyperparasitoid existence assisted parasitoid distribution. Parasitoids were pla

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Nurkomar, Ihsan, Ichsan Luqmana Indra Putra, Damayanti Buchori, and Fajar Setiawan. "Association of a Global Invasive Pest Spodoptera frugiperda (Lepidoptera: Noctuidae) with Local Parasitoids: Prospects for a New Approach in Selecting Biological Control Agents." Insects 15, no. 3 (2024): 205. http://dx.doi.org/10.3390/insects15030205.

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Spodopotera frugiperda is a worldwide invasive pest that has caused significant economic damage. According to the classical biological control approach, natural enemies that can control invasive pests come from the same area of origin as the pests that have experienced coadaptation processes. However, the new association’s approach suggests that local natural enemies are equally capable of controlling invasive pests. Due to the lack of data on the association of S. frugiperda and local natural enemies, research was conducted through a rapid survey to study the diversity of parasitoids associat

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Dicke, Marcel, Antonino Cusumano, and Erik H. Poelman. "Microbial Symbionts of Parasitoids." Annual Review of Entomology 65, no. 1 (2020): 171–90. http://dx.doi.org/10.1146/annurev-ento-011019-024939.

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Parasitoids depend on other insects for the development of their offspring. Their eggs are laid in or on a host insect that is consumed during juvenile development. Parasitoids harbor a diversity of microbial symbionts including viruses, bacteria, and fungi. In contrast to symbionts of herbivorous and hematophagous insects, parasitoid symbionts do not provide nutrients. Instead, they are involved in parasitoid reproduction, suppression of host immune responses, and manipulation of the behavior of herbivorous hosts. Moreover, recent research has shown that parasitoid symbionts such as polydnavi

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Mehmood, Shahid, Kamran Sohail, Muhammad Qasim, et al. "Host-age effects and the efficiency of the pupal parasitoid Dirhinus giffardii (Silvestri, 1913) (Hymenoptera: Chalcididae) against the melon fly Bactrocera cucurbitae (Coquillett, 1849) (Diptera: Tephritidae)." Polish Journal of Entomology 87, no. 2 (2018): 177–90. http://dx.doi.org/10.2478/pjen-2018-0013.

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Abstract Dirhinus giffardii is an efficient and aggressive pupal parasitoid of tephritid flies, including Bactrocera cucurbitae. Here we report on the various biological aspects of Dirhinus giffardii, mainly host-age preference, potential as well as the survival of this parasitoid from the pupae of different ages and its in vivo release against Bactrocera cucurbitae. The emergence rate of parasitoids was higher in old pupae than in fresh pupae. Similarly, the lifespan and potential of parasitoids emerged from older pupae were higher than those emerged from younger ones. The parasitoids reared

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Carlos Henrique Marchiori. "Tachinobia sp. (Hymenoptera: Eulophidae) as parasitoid of Peckia Sarcodexia) lambens (Wiedemann, 1830) (Diptera: Sarcophagidae)." Open Access Research Journal of Life Sciences 2, no. 1 (2021): 023–27. http://dx.doi.org/10.53022/oarjls.2021.2.1.0133.

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Insect parasitoids have an immature life stage that develops on or within a single insect host, ultimately killing the host, hence the value of parasitoids as natural enemies. This work reports the first occurrence of parasitoid Tachinobia sp. (Hymenoptera: Eulophidae) as parasitoid Peckia (Sarcodexia) lambens (Wiedemann, 1830) (Diptera: Sarcophagidae). The pupae were obtained by the flotation method. They were individually placed in gelatin capsules until the emergence of flies or their parasitoids. In November 2013, six pupae were obtained from P. (S) lambens, of which two pupae twelve speci

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Barratt, B. I. P., A. A. Evans, and P. D. Johnstone. "Effect of the ratios ofListronotus bonariensisandSitona discoideus(Coleoptera: Curculionidae) to their respective parasitoidsMicroctonus hyperodaeandM. aethiopoides(Hymenoptera: Braconidae), on parasitism, host oviposition and feeding in the laboratory." Bulletin of Entomological Research 86, no. 2 (1996): 101–8. http://dx.doi.org/10.1017/s0007485300052329.

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AbstractThe parasitoidsMicroctonus hyperodaeLoan andM. aethiopoidesLoan have been introduced into New Zealand to control the forage pestsListronotus bonariensis(Kuschel) andSitona discoideusGyllenhal, respectively. Laboratory experiments were carried out to investigate the effect of host–parasitoid ratio, and exposure time on host survival, parasitism, oviposition and feeding. Cages of 20 field collected weevils were exposed to 0, 1, 3 or 6 parasitoids for 0, 1, 12 or 48 hours, maintained until parasitoid pupal emergence, and surviving weevils dissected. Over the ranges studied, increasing par

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Ueno, Takatoshi, and Dang Hoa Tran. "Neochrysocharis okazakii(Hymenoptera: Eulophidae) as a Major Parasitoid Wasp of Stone Leek Leaf MinerLiriomyza chinensis(Diptera: Agromyzidae) in Central Vietnam." Psyche: A Journal of Entomology 2015 (2015): 1–6. http://dx.doi.org/10.1155/2015/179560.

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Liriomyza chinensisis a major pest of Welsh onionAllium fistulosumin Asia but little is known about the abundance of its natural enemies. A field survey was made to explore the major parasitoids ofL. chinensisleaf miner in central Vietnam. An eulophid parasitoid,Neochrysocharis okazakii,comprised more than 95% of parasitoids reared from leaf miner larvae collected in the onion field and 98.3% of leaf miner parasitoids found during searches of onion plants. The mean number of femaleN. okazakiion plants was greater in onion fields with a higher density ofL. chinensis, and, during searches, a gre

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Gasmi, Laila, Edyta Sieminska, Shohei Okuno, et al. "Horizontally transmitted parasitoid killing factor shapes insect defense to parasitoids." Science 373, no. 6554 (2021): 535–41. http://dx.doi.org/10.1126/science.abb6396.

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Interkingdom competition occurs between hymenopteran parasitoids and insect viruses sharing the same insect hosts. It has been assumed that parasitoid larvae die with the death of the infected host or as result of competition for host resources. Here we describe a gene family, parasitoid killing factor (pkf), that encodes proteins toxic to parasitoids of the Microgastrinae group and determines parasitism success. Pkfs are found in several entomopathogenic DNA virus families and in some lepidopteran genomes. We provide evidence of equivalent and specific toxicity against endoparasites for PKFs

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Trivellone, Valeria, Michela Meier, Corrado Cara, et al. "Multiscale Determinants Drive Parasitization of Drosophilidae by Hymenopteran Parasitoids in Agricultural Landscapes." Insects 11, no. 6 (2020): 334. http://dx.doi.org/10.3390/insects11060334.

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(1) The management of agricultural landscapes for pest suppression requires a thorough understanding of multiple determinants controlling their presence. We investigated the ecological preferences of indigenous parasitoids and their drosophilid hosts to understand the role of native parasitoids as biological control agents of the invasive frugivorous Drosophila suzukii. (2) Using data from an extensive field survey across different habitat types we analyzed the influence of abiotic and biotic factors on parasitoid and drosophilid communities at multiscale levels. (3) Eight parasitoid and 27 dr

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Trotta, Vincenzo, Paolo Fanti, Roberto Rosamilia, and Donatella Battaglia. "An Evaluation of the Effects of Delayed Parasitism on Daily and Lifetime Fecundity of Aphidius ervi Haliday." Insects 16, no. 1 (2024): 3. https://doi.org/10.3390/insects16010003.

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The study of parasitoid reproductive behaviour is crucial to understanding how parasitoids influence host population dynamics, and the strategies used by parasitoids to maximize their reproductive success. Studying how the parasitoid optimizes its reproductive resources is important as it provides information to improve the efficiency of a biological control programme. Many studies have been carried out on Aphidius ervi to assess the foraging behaviour of the parasitoid, but how the age of the parasitoid affects its foraging behaviour is still poorly understood. In the present study, the influ

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Lachaud, Jean-Paul, and Gabriela Pérez-Lachaud. "Diversity of Species and Behavior of Hymenopteran Parasitoids of Ants: A Review." Psyche: A Journal of Entomology 2012 (2012): 1–24. http://dx.doi.org/10.1155/2012/134746.

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Reports of hymenopterans associated with ants involve more than 500 species, but only a fraction unambiguously pertain to actual parasitoids. In this paper, we attempt to provide an overview of both the diversity of these parasitoid wasps and the diversity of the types of interactions they have formed with their ant hosts. The reliable list of parasitoid wasps using ants as primary hosts includes at least 138 species, reported between 1852 and 2011, distributed among 9 families from 3 superfamilies. These parasitoids exhibit a wide array of biologies and developmental strategies: ecto- or endo

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Traugott, M., J. R. Bell, L. Raso, D. Sint, and W. O. C. Symondson. "Generalist predators disrupt parasitoid aphid control by direct and coincidental intraguild predation." Bulletin of Entomological Research 102, no. 2 (2011): 239–47. http://dx.doi.org/10.1017/s0007485311000551.

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AbstractGeneralist predators and parasitoids are considered to be important regulators of aphids. The former not only feed on these pests, but might also consume parasitoids at all stages of development. This direct or coincidental interference affects the natural control of aphids, the scale of which is largely unknown, and it has rarely been examined under natural conditions. Here, molecular diagnostics were used to track trophic interactions in an aphid-parasitoid-generalist predator community during the build-up of a cereal aphid population. We found that generalist predators, principally

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Sonawane, V. K., S. K. Gharde, K. S. Ghodekar, A. M. Raut, and Amine Assouguem. "Larval Age-Dependent Parasitization Performance of Cotesia flavipes on Sesamia inferens." Nature Environment and Pollution Technology 24, no. 2 (2025): B4249. https://doi.org/10.46488/nept.2025.v24i02.b4249.

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Cotesia flavipes is an important hymenopteran larval parasitoid that belongs to the family Braconidae. Its usage in pest management strategies is promising due to its parasitic impact on the larval stage of lepidopteran pests. The current investigation aims to determine the optimal host age for the parasitoid’s mass proliferation and augmentative releases. The experiments showed that the female C. flavipes parasitizes all larval age groups of Sesamia inferens. Among all the larval ages, C. flavipes preferred second to third instars for parasitism during the spring (up to 90%) and kharif (up to

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Li, Zhixin, Liyuan Yang, Xi Ma, Xudan Liu, Yiran Cheng, and Shouhui Sun. "Extrinsic and Intrinsic Competition between Chouioa cunea Yang and Tetrastichus septentrionalis (Hymenoptera: Eulophidae), Two Pupal Parasitoids of the Fall Webworm, Hyphantria cunea (Lepidoptera: Erebidae)." Insects 15, no. 8 (2024): 617. http://dx.doi.org/10.3390/insects15080617.

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The endoparasitoids Chouioa cunea Yang and Tetrastichus septentrionalis Yang (Hymenoptera: Eulophidae) are both gregarious pupal parasitoids of the fall webworm, Hyphantria cunea (Drury) (Lepidoptera: Erebidae). In order to analyze the competitive interactions between both parasitoids exploiting H. cunea, we assessed both extrinsic and intrinsic competition. The search time, oviposition duration, and oviposition frequency were used as evaluation criteria for extrinsic competition. The number of survival days, female ratio, and number of parasitoids emerging from the host were used as evaluatio

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Mohamad, Fater, Mohammed Mansour, and Ali Ramadan. "Effects of biological and environmental factors on sex ratio in Ascogaster quadridentata Wesmael (Hymenoptera: Braconidae), a parasitoid of Cydia pomonella L. (Torticidae)." Journal of Plant Protection Research 55, no. 2 (2015): 151–55. http://dx.doi.org/10.1515/jppr-2015-0019.

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Abstract The sex ratio in the natural population of most Hymenopteran parasitoids is 1 : 1. Females of these parasitoids, however, can regulate the sex of their offspring in response to environmental and biological factors. Under certain circumstances, this may lead to an overproduction of males, which can result in a very negative impact on any control program using these parasitoids. For these reasons, understanding the effect of these factors is very important. In this study, five biological and environmental factors known to affect sex ratio in parasitic Hymenoptera were investigated for A

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Güven, B., F. Özsemerci, F. Ö. Altındişli, B. Mıhcı, N. Keskin, and O. Aşçıoğul. "Determination of Trichogramma euproctidis efficacy against the key pest, European grapevine moth, Lobesia botrana (Lepidoptera: Tortricidae) in the Aegean region vineyards, Turkey." PLANT PROTECTION NEWS 106, no. 4 (2023): 201–9. http://dx.doi.org/10.31993/2308-6459-2023-106-4-16092.

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European grapevine moth Lobesia botrana is the most important pest causing crop losses in most of Türkiye’s grape growing regions, feeding mainly on inflorescence and grape berries. This study was carried out to determine the release efficiency and the most efficient dose of the native egg parasitoid, Trichogramma euproctidis against L. botrana in an organic vineyard located in the Menemen district of Izmir, in the Aegean Region, which has the largest grape production area. In this context, two different release doses at 75 000 and 100 000 parasitoids/ha were applied to find the most effective

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McKay, Tanja, and Terry D. Galloway. "SURVEY AND RELEASE OF PARASITOIDS (HYMENOPTERA) ATTACKING HOUSE AND STABLE FLIES (DIPTERA: MUSCIDAE) IN DAIRY OPERATIONS." Canadian Entomologist 131, no. 6 (1999): 743–56. http://dx.doi.org/10.4039/ent131743-6.

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AbstractIn 1995, Nasonia vitripennis (Walker) (Hymenoptera: Pteromalidae), a commercially available pupal parasitoid of the house fly, Musca domestica L., and stable fly, Stomoxys calcitrans (L.) (Diptera: Muscidae), was purchased to examine the status of wasps being sold to Manitoba producers. Percentage of pupae parasitized, numbers of parasitoids per pupa, total parasitoids, and parasitoid sex ratio were determined for each shipment of parasitoids received. To determine the extent to which these wasps could successfully parasitize house flies and stable flies, parasitoids were released week

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Agboyi, Lakpo Koku, Georg Goergen, Patrick Beseh, et al. "Parasitoid Complex of Fall Armyworm, Spodoptera frugiperda, in Ghana and Benin." Insects 11, no. 2 (2020): 68. http://dx.doi.org/10.3390/insects11020068.

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The fall armyworm, Spodoptera frugiperda, a moth originating from the American continent, has recently invaded most African countries, where it is seriously threatening food security as a pest of cereals. The current management methods rely heavily on the use of synthetic insecticides but there is a need for more sustainable control methods, including biological control. Surveys were conducted in two West African countries, Ghana and Benin, to determine the native parasitoid complex and assess parasitism rates of S. frugiperda. Samples of S. frugiperda eggs and larvae were collected in maize f

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Stenberg, J. A., and P. A. Hambäck. "Host species critical for offspring fitness and sex ratio for an oligophagous parasitoid: implications for host coexistence." Bulletin of Entomological Research 100, no. 6 (2010): 735–40. http://dx.doi.org/10.1017/s0007485310000143.

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AbstractIn theory, inferior apparent competitors sharing a natural enemy with superior apparent competitors should be excluded in the absence of stabilising factors. Nevertheless, plentiful examples of coexisting apparent competitors exist. In this paper, we show that parasitoid resource competition within hosts affects both parasitoid sex ratio and female body size, with implication for population growth and apparent competition between the two closely related hosts experiencing a strong asymmetry in their interaction. While the superior competitor delivers parasitoids with higher fitness to

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Konvičková, Hana, Václav John, Martin Konvička, Michal Rindoš, and Jan Hrček. "High hymenopteran parasitoid infestation rates in Czech populations of the Euphydryas aurinia butterfly inferred using a new molecular marker." Journal of Hymenoptera Research 97 (January 29, 2024): 29–42. http://dx.doi.org/10.3897/jhr.97.113231.

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We apply a molecular approach to quantify the level of hymenopteran parasitoids infestation in the larvae of the marsh fritillary (Euphydryas aurinia), a declining butterfly species, in western Bohemia, Czech Republic, in two subsequent years. We used the novel primer HymR157 in combination with known universal 28SD1F to establish a PCR detection system which amplifies hymenopteran parasitoids, but not the lepidopteran host. In the 14 sampled E. aurinia colonies, the infestation rates per individuum were 33.3% and 40.2%; whereas per sampled larval colony, these were on average 38.5% (range 0–1

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Wibowo, Lestari, Indriyati ., and Purnomo . "KEMELIMPAHAN DAN KERAGAMAN JENIS PARASITOID HAMA PENGGULUNG DAUN PISANG ERIONOTA THRAX L. DI KABUPATEN LAMPUNG SELATAN." JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA 15, no. 1 (2015): 26. http://dx.doi.org/10.23960/j.hptt.11526-32.

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The abundance and diversity of the parasitoid of banana leaf skipper pest (Erionota thrax L.) in South Lampung Regency. This research was conducted to determine the abundance, diversity, and parasitation ability of several parasitoids of the banana skipper or banana leafroller (Erionota thrax) in South Lampung Regency. This research was carried out with a survey method by taking out samples of larvae and pupae of E. thrax in the District of Natar, Jati Agung, and Tanjung Bintang, South Lampung. Results of the survey showed that there were 8 types of parasitoids recovered from larvae or pupae o

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Özbek, Rabia, Krishnendu Mukherjee, Fevzi Uçkan, and Andreas Vilcinskas. "Reprograming of epigenetic mechanisms controlling host insect immunity and development in response to egg-laying by a parasitoid wasp." Proceedings of the Royal Society B: Biological Sciences 287, no. 1928 (2020): 20200704. http://dx.doi.org/10.1098/rspb.2020.0704.

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Parasitoids are insects that use other insects as hosts. They sabotage host cellular and humoral defences to promote the survival of their offspring by injecting viruses and venoms along with their eggs. Many pathogens and parasites disrupt host epigenetic mechanisms to overcome immune system defences, and we hypothesized that parasitoids may use the same strategy. We used the ichneumon wasp Pimpla turionellae as a model idiobiont parasitoid to test this hypothesis, with pupae of the greater wax moth Galleria mellonella as the host. We found that parasitoid infestation involves the suppression

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Pramudi, M. Indar, and Lyswiana Aphrodyanti. "Parasitoid fruit flies Bactrocera mcgregori (Diptera: Tephritidae) from Tanah Laut Regency and Banjarbaru South Kalimantan." TROPICAL WETLAND JOURNAL 5, no. 1 (2019): 26–30. http://dx.doi.org/10.20527/twj.v5i1.71.

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This study aims to identify and determine the parasitic level of Bactrocera mcgregori parasitoid from melinjo fruit (Gnetum gnemon) from Tanah Laut district and Banjarbaru Kalimatan Selatan City. The identification results of the three parasitoids showed the characteristics of the Hymenoptera order, the family Braconidae. The three parasitoids are Psytallia flecheri habitus (Silvestri) parasitoid, Psytallia lounsburyi (Silvestri) and Diachasmimorpha longicaudata (Cameron).

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Supeno, Bambang. "Parasitoid telur Lalatjala (Chrysopa sp.) pada ekosistem jambu mete di lombok." Jurnal Entomologi Indonesia 4, no. 1 (2017): 19. http://dx.doi.org/10.5994/jei.4.1.19.

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The objective of this research was to identify parasitoids associated with eggs of Chrysopa in Lombok cashew ecosytem. Parasitoids were surveyed by collecting eggs of Chrysopa from cashew plantations. Total of 5900 individual parasitoids from a single species were collected from eggs of Chrysopa with parasitization level was approximately 47.0%-85.50%. The parasitoid was identified as Telenomus cyrus (Hymenoptera: Scelionidae).

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Roitberg, Bernard D. "From parasitoid behavior to biological control: applied behavioral ecology." Canadian Entomologist 136, no. 2 (2004): 289–97. http://dx.doi.org/10.4039/n03-072.

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AbstractA hypothetical parasitoid mass rearing facility is used to unite principles from behavioral ecology and biological control. The key to the problem is variation in the tendency of solitary parasitoids to superparasitize. Superparasitism affects individual and population parasitoid productivity, though not necessarily to the same degree. Herein, the interest is in determining conditions that will maximize parasitoid population productivity when superparasitism varies. To accomplish this, a combination of graphical marginal analysis (to provide an economic context), dynamic optimization m

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Schöller, Matthias, and Sabine Prozell. "Biological control of cultural heritage pest Coleoptera and Lepidoptera with the help of parasitoid Hymenoptera." Journal of Entomological and Acarological Research 43, no. 2 (2011): 157. http://dx.doi.org/10.4081/jear.2011.157.

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Natural enemies are known from many cultural heritage pests, but their potential for biological control has been marginally exploited only. In this publication, examples of practical and commercial application of parasitoids of beetles and moths are compiled as well as laboratory research that contributes to the development of guidelines for parasitoid releases. One the one hand there are parasitoids found to occur simultaneously with the pests in buildings, on the other hand there are parasitoids that were never found to be associated with the respective pests but accept them if brought into

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