Relevant bibliographies by topics / Aphide

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Aphide'

Author: Grafiati
Published: 15 June 2024
Last updated: 31 July 2025

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Journal articles on the topic "Aphide"

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Cottrell, Ted E. "Black Pecan Aphid (Hemiptera: Aphididae) Management on Pecan When Gibberellic Acid Is Applied Concurrently With Broad-Spectrum Insecticides." Journal of Economic Entomology 115, no. 2 (2022): 611–17. http://dx.doi.org/10.1093/jee/toac009.

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Abstract Aphids (Hemiptera: Aphididae) are serious pests of pecan foliage (Carya illinoinensis [Wangenh.] K. Koch). The black pecan aphid, Melanocallis caryaefoliae (Davis) (Hemiptera: Aphididae), feeds on pecan foliage and elicits leaf chlorosis that can cause defoliation. In contrast, the blackmargined aphid, Monellia caryella (Fitch) (Hemiptera: Aphididae), and yellow pecan aphid, Monelliopsis pecanis Bissell (Hemiptera: Aphididae), feed on pecan foliage but do not elicit chlorotic feeding injury. Application of gibberellic acid (GA3) to pecan foliage reduces chlorotic foliar injury and nym
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Samia, Ait Amar-Berras, Benoufella-Kitous Karima, and Medjdoub-Bensaad Ferroudja. "Evaluation and Diversity of Aphids on Two Tomato Crops in Tizi-Ouzou (North Algeria), and First Report of Semiaphis Dauci (Fabricius, 1775) (Hemiptera: Aphididae) in Algeria." Journal of Advanced Zoology 45, no. 1 (2023): 11–20. http://dx.doi.org/10.17762/jaz.v45i1.379.

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Aphids are among the phytophagous insects causing the greatest economic losses. This study was carried out to evaluate the diversity and abundance of aphids in two tomato crops grown in an open field in two localities situated at Tizi-Ouzou (North Algeria). The aphid’s inventory was carried out using yellow traps. 926 winged aphids were trapped, representing 55 species. The aphid fauna recorded was divided into 4 subfamilies, 6 tribes and 31 genera. The aphid’s diversity trapped in Zahra variety field was higher with 41 species, compared to 29 species in Zin 45 variety field, with one species
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Brown, M. W., J. J. Jaegers, A. E. Pye, and J. J. Schmitt. "Control of Edaphic Populations of Woolly Apple Aphid using Entomopathogenic Nematodes and a Systemic Aphicide." Journal of Entomological Science 27, no. 3 (1992): 224–32. http://dx.doi.org/10.18474/0749-8004-27.3.224.

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The effects of an entomopathogenic nematode, Steinernema carpocapsae (Weiser), and an experimental systemic aphicide, RH-7988, on edaphic populations of the woolly apple aphid, Eriosoma lanigerum (Hausmann), were investigated. Laboratory experiments showed that presence of the nematode in a culture of woolly apple aphids increased the mortality rate. Nematodes were found inside the body cavity of several aphids with entry possibly being through the anus via a droplet of honeydew. Field trials in an unsprayed six-year-old and four-year-old apple orchard tested the efficacy of broadcast spray an
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Atshan, Lafta Awad, Hani Ahmad Ibrahim, Khalid Jaber Al-Hussainawy, and K. A. Atshan. "Hyperspectral Imaging for Determining Reflection Variables in Chilli Leaves Infested with Green Peach Aphid." Arab Journal for Plant Protection 42, no. 3 (2024): 299–305. http://dx.doi.org/10.22268/ajpp-001256.

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Atshan, L.A., H.A. Ibrahim, K.J. Abdulrazzaq and K.A. Atshan. 2024. Hyperspectral Imaging for Determining Reflection Variables in Chilli Leaves Infested with Green Peach Aphid. Arab Journal of Plant Protection, 42(3): 299-305. https://doi.org/10.22268/AJPP-001256 Aphid infestations cause a physiological response detectable by a remote leaf reflectance sensor. Changes in the spectral signature of specific wave bands, measured with hyperspectral imagery (HI), may also relate to the absence, presence and/or level of infestation of aphids. Aphids cause significant damage to crops and yields in the
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Umoru, P. A., W. Powell, and S. J. Clark. "Effect of pirimicarb on the foraging behaviour of Diaeretiella rapae (Hymenoptera: Braconidae) on host-free and infested oilseed rape plants." Bulletin of Entomological Research 86, no. 2 (1996): 193–201. http://dx.doi.org/10.1017/s0007485300052445.

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AbstractThe effects of the aphicide pirimicarb on the foraging behaviour of the aphid parasitoid Diaeretiella rapae were investigated in the laboratory, using aphid-infested and uninfested, young oilseed rape plants. Female parasitoids spent significantly less time foraging on plants sprayed with pirimicarb within the previous 24 h than on untreated plants, regardless of the presence of aphid hosts. Whilst foraging on sprayed plants, parasitoids spent relatively more time walking than they did when foraging on untreated plants. On sprayed plants foraging parasitoids tended to avoid leaf surfac
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Falla, Elin K., and Nik J. Cunniffe. "Why aphid virus retention needs more attention: Modelling aphid behaviour and virus manipulation in non-persistent plant virus transmission." PLOS Computational Biology 20, no. 10 (2024): e1012479. http://dx.doi.org/10.1371/journal.pcbi.1012479.

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Plant viruses threaten food security and are often transmitted by insect vectors. Non-persistently transmitted (NPT) plant viruses are transmitted almost exclusively by aphids. Because virions attach to the aphid’s stylet (mouthparts) and are acquired and inoculated via brief epidermal probes, the aphid–virus interaction is highly transient, with a very short aphid virus retention time. Many NPT viruses manipulate their host plant’s phenotype to change aphid behaviour to optimise virus transmission. Epidemiological models of this have overlooked a key feature of aphid NPT virus retention: prob
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Ouédraogo, Adélaïde P. "Identification of Two Aphids’ (Aphis craccivora Koch) Biotypes Prevailing in Three Cowpea (Vigna unguiculata (L). Walp.) Growing Areas in Burkina Faso." Advances in Image and Video Processing 12, no. 6 (2024): 251–58. https://doi.org/10.14738/aivp.126.17769.

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Cowpea (Vigna unguiculata (L). Walp.) is a plant-based protein crop with high nutritional value but highly susceptible to insect pests, particularly aphids (Aphis craccivora Koch). Aphids can destroy 80 to 100% of cowpea farms and also transmit viral diseases like cowpea mosaic virus, significantly reducing yields. This study aimed to investigate the evolution of aphid infestations from three cowpea-growing locations of Burkina Faso (Bobo, Kamboinsé, and Pobé) and identify the prevailing aphid biotypes. Therefore, ten varieties were screened with three aphids’ strains from these locations. A r
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Mackauer, M., J. P. Michaud, and W. Völkl. "INVITATION PAPER: C.P. Alexander Fund: HOST CHOICE BY APHIDIID PARASITOIDS (HYMENOPTERA: APHIDIIDAE): HOST RECOGNITION, HOST QUALITY, AND HOST VALUE." Canadian Entomologist 128, no. 6 (1996): 959–80. http://dx.doi.org/10.4039/ent128959-6.

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AbstractSpecies in the family Aphidiidae (Hymenoptera) parasitize exclusively ovoviviparous aphids. Females use a variety of information to detect and evaluate suitable hosts. Olfactory cues associated with aphids, or the aphids’ host plant, are important for host location. Visual cues including aphid colour, shape, and movement can be evaluated from a distance without physical contact; aphid movement may act as a releasing stimulus for attack. Contact chemosensory cues (gustatory cues) are evaluated by antennation of the host cuticle and during ovipositor probing. A potential host must confor
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Fernández-Grandon, G. Mandela, Christine M. Woodcock, and Guy M. Poppy. "Do asexual morphs of the peach-potato aphid, Myzus persicae, utilise the aphid sex pheromone? Behavioural and electrophysiological responses of M. persicae virginoparae to (4aS,7S,7aR)-nepetalactone and its effect on aphid performance." Bulletin of Entomological Research 103, no. 4 (2013): 466–72. http://dx.doi.org/10.1017/s0007485313000126.

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AbstractThe aphid sex pheromone component (4aS,7S,7aR)-nepetalactone is considered to be a potential tool for enhancing biological control of aphids. Studies have confirmed its potential to attract parasitoids, increase parasitism rates in the field and also alter the spatial distribution of parasitoids. An important aspect that has been overlooked is the impact that the introduction of nepetalactone may have on aphid populations already present in field or glasshouse environments. The most prevalent pest aphid populations in glasshouse and field environments are the asexual morphs, which are
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Mkenda, Ndakidemi, Stevenson, et al. "Characterization of Hymenopteran Parasitoids of Aphis fabae in an African Smallholder Bean Farming System through Sequencing of COI ‘Mini-Barcodes’." Insects 10, no. 10 (2019): 331. http://dx.doi.org/10.3390/insects10100331.

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Parasitoids are among the most frequently reported natural enemies of insect pests, particularly aphids. The efficacy of parasitoids as biocontrol agents is influenced by biotic and abiotic factors. For example, hyperparasitoids can reduce the abundance of the primary parasitoids as well as modify their behavior. A field study was conducted at three contrasting elevations on Mount Kilimanjaro, Tanzania, to identify the parasitoids of aphids in smallholder bean farming agroecosystems. Sentinel aphids (Aphis fabae) on potted bean plants (Phaseolus vulgaris) were exposed in 15 bean fields at thre
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Dissertations / Theses on the topic "Aphide"

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Rouil, Jeff. "Évolution et dynamique du système di-symbiotique chez les pucerons du genre Cinara." Electronic Thesis or Diss., Montpellier, SupAgro, 2023. http://www.theses.fr/2023NSAM0004.

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Des systèmes pluri-symbiotiques ont été mis en évidence chez plusieurs espèces de pucerons (Hemiptera : Aphididae) et plus particulièrement chez les espèces du genre Cinara. La caractérisation taxonomique des symbiontes présents chez une soixantaine d'espèces de Cinara a permis de déterminer que Serratia symbiotica est la bactérie la plus fréquemment retrouvée comme symbionte secondaire obligatoire. De plus, la reconstruction de l'histoire évolutive des associations symbiotiques chez Cinara semble indiquer une acquisition ancestrale de Serratia symbiotica comme co-symbionte obligatoire, même s
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GUO, JING QUAN. "Transmission par pucerons des luteovirus de la jaunisse nanisante de l'orge (jno) : de l'etude de l'interaction virus-aphide a l'estimation du risque epidemique." Paris 11, 1995. http://www.theses.fr/1995PA112453.

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Le present travail a pour objet l'etude de l'interaction virus-aphide afin de mieux apprecier le lien entre puceron porteur (virulifere) et la transmission des virus (pav, mav, rpv) de la jno. Les outils mis au point nous permettent de preciser le comportement de differentes biotypes et especes d'aphides vis-a-vis de ces virus et l'analyse des donnees fournies par les tours agraphid et les pots pieges ; elements actuels d'estimation du risque jno en europe. La methode immuno-pcr a ete adaptee pour amplifier les 3 luteovirus dans les pucerons. La sensibilite de cette rt-pcr permet de detecter l
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Moores, Graham David. "Biochemistry of resistance in Myzus persicae and Aphis gossypii." Thesis, University of Bedfordshire, 1997. http://hdl.handle.net/10547/621850.

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The insecticide resistance mechanisms present in the aphids Myzus persicae and Aphis gossypii have been characterised and sensitive biochemical assays have been developed to monitor their presence in individual aphids. It was found that enhanced esterase activity is present in both aphid species, and that this enhanced activity results from the presence of larger amounts of the same enzyme rather than the presence of a more efficient enzyme. In Myzus persicae this mechanism alone is sufficient to confer high levels of insecticide resistance. In Aphis gossypii, it appears that the presence of i
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Stewart, Ashley. "Molecular interactions among soybean aphids and aphid-resistant soybean." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1574777162373585.

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Wadleigh, Richard Walter. "Reduced oxidative metabolism as a resistance mechanism in parathion-resistant strains of the green peach aphid, Myzus persicae (Sulz.) (Aphidae: Hemiptera) from Ohio /." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487262513410293.

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Hopkins, Graham Wyn. "Rarity of tree aphids with particular reference to the birch aphid Monaphis antennata (Kaltenbach)." Thesis, University of East Anglia, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.338048.

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Blande, James D. "Differential signalling from specialist and generalist Brassica feeding aphids to differentially adapted aphid parasitoids." Thesis, University of Southampton, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.402402.

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Peng, Zhongkui. "Feeding determinants in aphids with special reference to the Rose Aphid Macrosiphum rosae (L.)." Title page, table of contents and introduction only, 1991. http://web4.library.adelaide.edu.au/theses/09PH/09php398.pdf.

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Bibliography: leaves 170-189. This thesis looks at aphid feeding determinants by type and location. It examines the role of leaf surface chemicals in the discrimination of host plants and the deterrent effect of catechin and its oxidative condensation products.
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Tosh, Colin Robert. "Host plant specialisation in the black bean aphid, Aphis fabae." Thesis, University of York, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298436.

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Diaz-Montano, John. "Components of soybean resistance to the soybean aphid, Aphis glycines Matsumura." Thesis, Manhattan, Kan. : Kansas State University, 2006. http://hdl.handle.net/2097/185.

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Books on the topic "Aphide"

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Youngs, Lorna C. Aphids in apples. Cooperative Extension, College of Agriculture & Home Economics, Washington State University, 1989.

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Youngs, Lorna C. Aphids in apples. Cooperative Extension, Washington State University, 1991.

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Sexton, Colleen A. Aphids. Bellwether Media, 2008.

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Jun, Nanao, ed. Aphids. Raintree Publishers, 1987.

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Branch, British Columbia Horticultural, ed. Apple-aphides. W.H. Cullin, 1997.

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United States. Forest Service. Alaska Region. and United States. Dept. of Agriculture., eds. Birch aphids. U.S. Dept. of Agriculture, 2001.

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United States. Forest Service. Alaska Region and United States. Dept. of Agriculture, eds. Birch aphids. U.S. Dept. of Agriculture, 2001.

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Holsten, Edward H. Birch aphids. U.S. Dept. of Agriculture, 2001.

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United States. Forest Service. Alaska Region. and United States. Dept. of Agriculture., eds. Birch aphids. U.S. Dept. of Agriculture, 2001.

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Cowles, Richard Steven. Management of balsam twig aphids in Christmas trees. Connecticut Agricultural Experiment Station, 2003.

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Book chapters on the topic "Aphide"

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Adams, D., T. L. Wilkinson, and A. E. Douglas. "The aphid-bacterial symbiosis: a comparison between pea aphids and black bean aphids." In Proceedings of the 9th International Symposium on Insect-Plant Relationships. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1720-0_62.

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Hangay, George, Susan V. Gruner, F. W. Howard, et al. "Melon Aphid, Aphis gossypii (Hemiptera: Aphididae)." In Encyclopedia of Entomology. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_4541.

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Heppner, John B., David B. Richman, Steven E. Naranjo, et al. "Soybean Aphid, Aphis glycines Matsumura (Hemiptera: Aphididae)." In Encyclopedia of Entomology. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_4284.

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Heppner, John B., David B. Richman, Steven E. Naranjo, et al. "Spirea Aphid, Aphis spiraecola Patch (Hemiptera: Aphididae)." In Encyclopedia of Entomology. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_4340.

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Singh, Rajendra, and Garima Singh. "Aphids." In Polyphagous Pests of Crops. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8075-8_3.

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Chakrabarti, S. "Aphids." In Pests and Their Management. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8687-8_24.

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Butter, N. S. "Aphids." In Insect Vectors and Plant Pathogens. CRC Press, 2018. http://dx.doi.org/10.1201/9780429503641-4.

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Berry, Colin, Jason M. Meyer, Marjorie A. Hoy, et al. "Black Bean Aphid, Aphis fabae Scopoli (Hemiptera: Aphididae)." In Encyclopedia of Entomology. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_353.

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Newton, Amanda Rose. "Tomorrow land: Future directions." In Aphids Unveiled. CRC Press, 2025. https://doi.org/10.1201/9781003537786-9.

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Newton, Amanda Rose. "The rise of the tiny tyrants." In Aphids Unveiled. CRC Press, 2025. https://doi.org/10.1201/9781003537786-1.

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Conference papers on the topic "Aphide"

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Jia, Xiaolong, Ruihang Lv, Yanli Zhao, and Yiming Zhai. "Identification of Lycium Barbarum Aphid Disease Based on Improved YOLOv11." In 2024 4th International Conference on Computer Science, Electronic Information Engineering and Intelligent Control Technology (CEI). IEEE, 2024. https://doi.org/10.1109/cei63587.2024.10871815.

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Grozea, Ioana, Codruta Chis, Adrian Grozea, Ramona Stef, and Ana Maria Virteiu. "CONTROL OF PHYTOPHAGOUS APHIDS IN URBAN GREEN SPACES THROUGH ENVIRONMENTALLY FRIENDLY WAYS." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023v/6.2/s25.12.

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Aphids have grown significantly both in number of species and in number of individuals in populations, especially in green spaces in urban environments. By feeding, they affect the plants in the structure of the ecosystem at the foliar and floral level, therefore it is necessary to manage them so that they are numerically reduced but at the same time to avoid the application of pesticides. Through this work, 2 ways of management were tried for 5 months (April-August): by exploiting existing natural enemies and by using sticky traps. The 4 study sites in western Romania (Timi?oara city) consist
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Tretiacova, Tatiana, Vladimir Todiras, and Ana Gusan. "Produs nou biorațional pentru combaterea dăunătorilor în spaţii protejate." In VIIth International Scientific Conference “Genetics, Physiology and Plant Breeding”. Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2021. http://dx.doi.org/10.53040/gppb7.2021.94.

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The article presents the results of pesticidal activity study of product elaborated on the neem oil base. Bioassays were performed on aphids and spider mites in order to compare the pesticidal activity of new preparative form NEEM-01 with that of the commercial biorational products Pelecol and MatrinBio. The product NEEM- 01at a dose of 10 l/ ha has potential as aphicide and acaricide, although in terms of efficacy in controlling aphids and mites it is different. NEEM-01 was quite effective against the aphid population compared to spider mites, which are more mobile, ceasing to feed on the tre
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Pantelei, Vition. "Particularităţile agroecologice a dinamicii afidelor (Homoptera: Aphidae) la cultura de triticale." In Scientific International Symposium "Plant Protection – Achievements and Perspectives". Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2023. http://dx.doi.org/10.53040/ppap2023.14.

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Bagrov, R. A., and V. I. Leunov. "Green peach aphid and potato leafroll virus: transmission and control." In Растениеводство и луговодство. Тимирязевская сельскохозяйственная академия, 2020. http://dx.doi.org/10.26897/978-5-9675-1762-4-2020-178.

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The mechanisms of transmission of potato viruses from plants to aphid vectors and from aphids to uninfected plants are described, including the example of the green peach aphid (Myzus persicae, GPA). Factors affecting the spreading of tuber necrosis and its manifestation on plants infected with potato leafroll virus (PLRV) are discussed. Recommendations for PLRV and GPA control in the field are given.
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Gandrabur, E. S., and A. B. Vereschagina. "Patterns of coordination of the development of Rhopalosiphum padi (L.) (Hemiptera, Sternorrhyncha, Aphididae) and its primary and secondary host plants." In Problems of studying the vegetation cover of Siberia. TSU Press, 2020. http://dx.doi.org/10.17223/978-5-94621-927-3-2020-10.

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For example of the bird cherry-oat aphid, the analysis of the timing of development in the “plant-phytophage” system in heterocyclic aphids with alternation of the primary (winter, arboreal) host plant to the secondary (summer, herbaceous) ones was done. The similarity in the phenology of colonization by aphids of primary and secondary hosts was shown. The features of the stages of plant organogenesis and the formation of the number of aphids in connection with their harmfulness are noted. Modeling shifts in the synchronization of the work of this trophic system contributes to its destabilizat
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Гунчак, М., та М. Соломийчук. "Биологическая защита яболни от зеленой яблонной тли в условиях заподной лесостепи УКРАИНИ". У International Scientific Symposium "Plant Protection – Achievements and Prospects". Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2020. http://dx.doi.org/10.53040/9789975347204.53.

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The effectiveness of biological preparations for the protection of apple orchard from green apple aphids was studied in comparison with a chemical standard. It has been established that preparations of biological origin Aсtofit, с.e .; Coloradocid, p. against green apple aphid showed high efficiency of action - from 64.7 to 90.9%. In addition, the high efficiency (67.4-75.0%) of action and a synergetic effect was shown by a mixture of biological products Coloradocid, p. and Gaubsin, p.
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Tretiacova, Tatiana, Vladimir Todiras, and Ana Gusan. "Eficacitatea produsului NEEM01 în combaterea păduchilor în livezi și spaţii protejate." In International Scientific Symposium "Plant Protection – Achievements and Prospects". Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2020. http://dx.doi.org/10.53040/9789975347204.49.

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Considering the growing demand for organic production of food and registration-related problems, the number of pest management products that can be used in this sort of production is limited. In this study the efforts have been made to formulate the Neem oil emulsions which would be used as agrochemicals. Bioassays were performed on aphids (Myzodes persicae Sulz., Aphis gossypii Glow , Aphis pomi Deg.) in order to compare the insecticidal activity of the neem oil new preparative form NEEM-01 with that of the commercial biorational product Pelecol EO. The bioassays conducted on the aphids demon
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Barkar, Vitalii, Tetiana Markina, Volodymyr Bulgakov, Aivars Aboltins, Adolfs Rucins, and Anatoliy Zaryshnyak. "Study of Propylea quatuordecimpunctata feed consumption dynamics at various stages of ontogenesis in rearing technology." In 24th International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering and Information Technologies, 2025. https://doi.org/10.22616/erdev.2025.24.tf021.

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The development of rearing technologies for the agents of biological control of crop pests is an important and urgent task, the solution of which lies at the intersection of the engineering and the biological sciences. One of the promising agents for the biological control of aphids is lady beetle Propylea quatuordecimpunctata. In this study, the feed consumption rate of Propylea quatuordecimpunctata was investigated during the development of its rearing technology. Tests were carried out for larval and adult stages of the entomophage. Wheat aphid (Schizaphis graminum) at various stages of dev
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"Plant cell wall and Homogalacturonan status modulation through PME/PMEI13 are central components of Arabidopsis defense during the early stage of infestation by aphids." In IS-MPMI Congress. IS-MPMI, 2023. http://dx.doi.org/10.1094/ismpmi-2023-11.

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Aphids are phloem-feeding insects that represent a major threat to world agriculture. The feeding strategy involves a slender stylet that probes the host tissues using intercellular spaces as the main pathways to reach the phloem. It is thought that pectin degradation facilitates stylet penetration through the cell walls. However, host plants may use this feeding mechanism since they have evolved to sense the byproducts of pectin degradation called oligogalacturonides (OGs) and trigger a defense response. OGs are well-known damage-associated molecular patterns (DAMPS) that enhance plant resist
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Reports on the topic "Aphide"

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Pirone, Thomas P., Benjamin Raccah, and Nor Chejanovsky. Vector Specificity in Potyvirus Transmission: Role of the Helper Component. United States Department of Agriculture, 2003. http://dx.doi.org/10.32747/2003.7586456.bard.

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Objectives: The overall objective of this research was to gain a better understanding of how potyviruses interact with their aphid vectors. The aim was to design new approaches for prevention of potyvirus spread by aphids. The sub-objectives included: (1). Determination of which of the HCs of different potyviruses effect efficient transmission by specific aphid vectors; (2). Determine regions in the HC that play a role in their compatibility with the vector; (3). Determine the factors within the aphid stylets that modify HC activity in transmission. Background of the topic: Background to the t
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Johnson, Kevin D. Scouting Recommendations for Soybean Aphid Aphis glycines Management. Iowa State University, Digital Repository, 2006. http://dx.doi.org/10.31274/farmprogressreports-180814-1859.

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Johnson, Kevin D., and Matthew E. O'Neal. Soybean Aphid Aphis glycines Populations in Central Iowa, 2004. Iowa State University, Digital Repository, 2005. http://dx.doi.org/10.31274/farmprogressreports-180814-1882.

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Johnson, Kevin D. Soybean Aphid Aphis glycines Populations in Northeast Iowa, 2004. Iowa State University, Digital Repository, 2005. http://dx.doi.org/10.31274/farmprogressreports-180814-2535.

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Lundgren, Jonathan, Moshe Coll, and James Harwood. Biological control of cereal aphids in wheat: Implications of alternative foods and intraguild predation. United States Department of Agriculture, 2014. http://dx.doi.org/10.32747/2014.7699858.bard.

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The overall objective of this proposal is to understand how realistic strategies for incorporating alternative foods into wheat fields affect the intraguild (IG) interactions of omnivorous and carnivorous predators and their efficacy as biological control agents. Cereal aphids are a primary pest of wheat throughout much of the world. Naturally occurring predator communities consume large quantities of cereal aphids in wheat, and are partitioned into aphid specialists and omnivores. Within wheat fields, the relative abilities of omnivorous and carnivorous predators to reduce cereal aphids depen
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Johnson, Kevin D. Soybean Aphid Aphis glycines Matsumura (Homoptera: Aphididae) Insecticide Performance in Floyd County, Iowa. Iowa State University, Digital Repository, 2007. http://dx.doi.org/10.31274/farmprogressreports-180814-1299.

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Johnson, Kevin D., and Matthew E. O'Neal. Soybean Aphid Aphis glycines Matsumura (Homoptera: Aphididae) Insecticide Performance in O’Brien County, Iowa. Iowa State University, Digital Repository, 2006. http://dx.doi.org/10.31274/farmprogressreports-180814-2483.

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Johnson, Kevin D., and Matthew E. O'Neal. Soybean Aphid Aphis glycines Matsumura (Homoptera: Aphididae) Insecticide Performance in Floyd County, Iowa. Iowa State University, Digital Repository, 2006. http://dx.doi.org/10.31274/farmprogressreports-180814-2534.

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O'Neal, Matthew E. Soybean Aphid Aphis glycines Matsumura (Homoptera: Aphididae) Suction Trap Monitoring Network in Iowa. Iowa State University, Digital Repository, 2006. http://dx.doi.org/10.31274/farmprogressreports-180814-2591.

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Tzin, V., B. Dilkes, and H. Sela. Identifying molecular markers for defense metabolites against aphid feeding in wild emmer wheat. United States-Israel Binational Agricultural Research and Development Fund, 2021. http://dx.doi.org/10.32747/2021.8134174.bard.

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Bread wheat is the second most important food crop, providing calories to half of the world population and roughly one-fifth of the calories and protein consumed by people worldwide. Crop losses to insect pests depress yields and climate change is expected to significantly increase this problem. To combat global food insecurity, the protection of crops from insect pests must be prioritized. The Bird cherry-oat aphid, Rhopalosiphum padi, is the most abundant and economically important cereal pest, causes up to 40-60 % yield loss through direct feeding and vectoring plant diseases. The main goal
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