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Добірка наукової літератури з теми "Insects as biological pest control agents"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 30 січня 2023

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Статті в журналах з теми "Insects as biological pest control agents"

1

Drummond, Frank, and Beth Choate. "Ants as biological control agents in agricultural cropping systems." Terrestrial Arthropod Reviews 4, no. 2 (2011): 157–80. http://dx.doi.org/10.1163/187498311x571979.

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AbstractAnts positively impact agricultural systems by rapidly consuming large numbers of pest insects, disturbing pests during feeding and oviposition, and increasing soil quality and nutrients. The ability of ants to control pest species has been recognized since the year 300 A.D. and farmers continue to conserve and promote ant populations in agricultural systems worldwide. Naturally occurring ant species in milpas, mango, citrus, coconut, cashews, and cotton control many pest insects. Through judicious insecticide application and changes in management practices such as tillage, and other m

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Alfina, T., and N. F. Haneda. "Entomopathogenic fungi as biological agents in forest plant pest control: A systematic review." IOP Conference Series: Earth and Environmental Science 959, no. 1 (January 1, 2022): 012013. http://dx.doi.org/10.1088/1755-1315/959/1/012013.

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Abstract Entomopathogenic fungi have seen application in pest control due to being more friendly to the environment compared to synthetic insecticides. This research aims to determine the potentials of entomopathogenic fungi by identifying research reports regarding the effectiveness of fungi as biological agents for controlling pest insect attacks on forest plants. This research used a systematic review to enable extended analysis. The systematic review was performed on secondary data obtained from 51 scientific articles concerning tests of entomopathogenic fungi on forest plants pest insects

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Styer, E. L., and J. J. Hamm. "Detection and Identification of Viruses in Economically Important Insects." Microscopy and Microanalysis 6, S2 (August 2000): 666–67. http://dx.doi.org/10.1017/s1431927600035820.

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Economically important insects include pests of plants, animals and stored products as well as insects produced commercially (honey bees, silkworms, insects for fish bait and food for birds and zoo animals). Other insects are produced in large numbers for experimental purposes, biological control of insect pests and weeds and the production of sterile insects for population suppression. Insect viruses may affect morphology, physiology and behavior, often reducing longevity and reproductive potential. Thus insect viruses can be used as biological control agents of pest insects. Insect viruses m

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Sharma, Anamika, Ramandeep Kaur Sandhi, and Gadi V. P. Reddy. "A Review of Interactions between Insect Biological Control Agents and Semiochemicals." Insects 10, no. 12 (December 5, 2019): 439. http://dx.doi.org/10.3390/insects10120439.

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Biological control agents and semiochemicals have become essential parts of the integrated pest management of insect pests over recent years, as the incorporation of semiochemicals with natural enemies and entomopathogenic microbials has gained significance. The potential of insect pheromones to attract natural enemies has mainly been established under laboratory conditions, while semiochemicals from plants have been used to attract and retain natural enemies in field conditions using strategies such as trap crops and the push–pull mechanism. The best-known semiochemicals are those used for pa

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Beirne, Bryan P. "Avoidable obstacles to colonization in classical biological control of insects." Canadian Journal of Zoology 63, no. 4 (April 1, 1985): 743–47. http://dx.doi.org/10.1139/z85-108.

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Most classical biological control attempts worldwide against pest insects have failed to meet the objective of solving the pest problems permanently. The dominant cause was failure by introduced agents to colonize. Most failures to colonize can be attributed to procedures that were detrimental to the numbers or health or the target-finding or field survival abilities of newly released agents. Administrative reactions to the low success rate, poor cost/benefit data, and overselling of the method were basically responsible for those procedures. As ways of avoiding such procedures exist, it is fe

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Pan, Xiaoyuan, Xuejun Wang, and Fan Zhang. "New Insights into Cockroach Control: Using Functional Diversity of Blattella germanica Symbionts." Insects 11, no. 10 (October 13, 2020): 696. http://dx.doi.org/10.3390/insects11100696.

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Insects have close symbiotic relationships with several microbes, which extends the limited metabolic networks of most insects. Using symbiotic microorganisms for the biological control of pests and insect-borne diseases has become a promising direction. Blattella germanica (L.) (Blattaria: Blattidae) is a public health pest worldwide, which is difficult to control because of its strong reproductive ability, adaptability, and resistance to insecticides. In this paper, the diverse biological functions (nutrition, reproductive regulation, insecticide resistance, defense, and behavior) of symbion

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Isah, U., and M. A. Ahmad. "Microorganisms as bioinsecticides; short review." Bayero Journal of Pure and Applied Sciences 12, no. 1 (April 15, 2020): 274–79. http://dx.doi.org/10.4314/bajopas.v12i1.42s.

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Hundred thousand tons of chemical insecticides are used annually in Nigeria to combat insect disease vectors especially agricultural pests, but this sort of vector control method is gradually being substituted due to their environmental effects on non-target beneficial insects especially vertebrates through contamination of food and water. To counteract this contamination, attention, efforts and researches were directed to the use of biological control agents including insect pathogens. As a result, the use of bio insecticide, as a component of integrated pest management (IPM), has been gainin

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Bale, J. S., J. C. van Lenteren, and F. Bigler. "Biological control and sustainable food production." Philosophical Transactions of the Royal Society B: Biological Sciences 363, no. 1492 (September 6, 2007): 761–76. http://dx.doi.org/10.1098/rstb.2007.2182.

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The use of biological control for the management of pest insects pre-dates the modern pesticide era. The first major successes in biological control occurred with exotic pests controlled by natural enemy species collected from the country or area of origin of the pest (classical control). Augmentative control has been successfully applied against a range of open-field and greenhouse pests, and conservation biological control schemes have been developed with indigenous predators and parasitoids. The cost–benefit ratio for classical biological control is highly favourable (1 : 250) and for augme

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Ghazanfar, Muhammad Usman, Steffen Hagenbucher, Jörg Romeis, Giselher Grabenweger, and Michael Meissle. "Fluctuating temperatures influence the susceptibility of pest insects to biological control agents." Journal of Pest Science 93, no. 3 (March 5, 2020): 1007–18. http://dx.doi.org/10.1007/s10340-020-01215-9.

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SAEIDI, Karim, Hossein PEZHMAN, and Hadi KARIMIPOUR-FARD. "Efficacy of Entomopathogenic Nematode Steinernema feltiae (Filipjev) as a Biological Control Agent of Lentil Weevil, Bruchus lentis, Under Laboratory Conditions." Notulae Scientia Biologicae 10, no. 4 (December 21, 2018): 503–7. http://dx.doi.org/10.15835/nsb10410320.

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Stored-product pests in the family Bruchidae of Coleoptera represent important pests affecting legume seeds. The lentil weevil, Bruchus lentis Froelich (Coleoptera: Chrysomelidae: Bruchinae) is one of the major lentil pests in Iran and in the world. The economic losses caused by this pest on lentil grow up to 40%. Synthetic pesticides are currently the chosen method to protect stored grain from insect damage. However, their widespread use has led to the development of pest strains resistant to insecticides and pest resurgence. In recent years, nonchemical methods, including biological agents a

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Дисертації з теми "Insects as biological pest control agents"

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Chang, Gary C. "Ecological interaction among natural enemies and its consequences for biological control /." Thesis, Connect to this title online; UW restricted, 2000. http://hdl.handle.net/1773/5205.

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Smith, Ethan A. "Is everything connected? following the predators, pests, and plants within a no-till, western Montana agroecosystem /." CONNECT TO THIS TITLE ONLINE, 2006. http://etd.lib.umt.edu/theses/available/etd-12212006-142245/.

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Baker, Jeanine. "Factors affecting the establishment of a classical biological control agent, the horehound plume moth (Wheeleria spilodactylus) in South Australia." Title page, summary and contents only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phb1677.pdf.

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Includes bibliographical references (leaves 168-198) The horehound plume moth (Wheeleria spilodactylus Curits), an agent introduced to control the invasive weed horehound (Murrubium vulgare L.), was used as a model system to investigate factors believed to influence the successful establishment of an introduced natural enemy. Retrospectively tests the use of generic population viability analysis and decision making tools for determining optimal release strategies for the horehound plume moth in South Australia and to compare outcomes with the emprical data collected during the course of this p

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Williams, Elizabeth Catherine. "Entomopathogenic nematodes as control agents of statutory insect pests." Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265978.

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Alfaro, Lemus Ana Lilia. "Factors influencing the control of citrophilous mealybug Pseudococcus calceolarie (Maskell) by Coccophagus gurneyi Compere in the Riverland of South Australia." Title page, contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09IM/09iml562.pdf.

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Includes bibliographical references (leaves 102-114) The highly successful biological control of the citrophilous mealybug Pseudococcus calceolarie (Maskell) (CM) by the parasitic wasp Coccophagus gurneyi Compere in several countries led to the release of this parasitoid in the Riverland of South Australia as part of an integrated pest management program. However CM has not been successfully controlled in this region. The results of this study may help to explain the lack of effective biological control of CM in Riverland citrus.

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Straub, Cory Severen. "Exploring the relationship between natural enemy biodiversity and herbivore suppression." Online access for everyone, 2006. http://www.dissertations.wsu.edu/Dissertations/Fall2006/c_straub_111306.pdf.

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Vieira, Natalia Fernanda. "Metodologia de criação, aspectos biológicos e custo de produção de Xylocoris afer predando ovos de Corcyra cephalonica e Plutella xylostella /." Jaboticabal, 2016. http://hdl.handle.net/11449/144308.

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Orientador: Sergio Antonio De Bortoli<br>Banca: Roberto Marchi Goulart<br>Banca: Raphael de Campos Castilho<br>Resumo: O objetivo desta pesquisa foi adequar uma metodologia de criação para o predador Xylocoris afer e avaliar, bem como aspectos biológicos e o custo de produção predando ovos de Corcyra cephalonica ou Plutella xylostella. Visando otimizar e adequar uma metodologia para multiplicação de X. afer em condições de laboratório, foi estabelecida uma colônia do predador utilizando como referência, a metodologia de criação de outra espécie de Anthocoridae, Orius insidiosus. Porém, nos rec

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Barnewall, Emily C., and University of Lethbridge Faculty of Arts and Science. "Plant-insect interactions between yellow toadflax, Linaria vulgaris, and a potential biocontrol agent, the gall-forming weevil, Rhinusa pilosa." Thesis, Lethbridge, Alta. : University of Lethbridge, Department of Biological Sciences, c2011, 2011. http://hdl.handle.net/10133/2618.

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Yellow toadflax, Linaria vulgaris (L.) Mill. (Plantaginaceae), is a non-native invasive plant. Rhinusa pilosa Germar (Coleoptera: Curculionidae) is a proposed biocontrol agent. Gall development by R. pilosa was described using histological methods and compared between plant populations from native and introduced ranges. Key stages of oviposition were isolated histologically to determine their importance in gall induction. Rhinusa pilosa galled and developed on four geographically distinct Canadian populations in a pre-release quarantine study. Low agent densities only negatively affected one p

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Östman, Örjan. "Landscape and farm management influence generalist predators : effects on condition, abundance, and biological control /." Uppsala : Swedish University of Agricultural Sciences, 2002. http://diss-epsilon.slu.se/archive/00000207/.

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Thesis (doctoral)--Swedish University of Agricultural Sciences, 2002.<br>Thesis documentation sheet inserted. Appendix reprints five published papers and manuscripts, three co-authored with others. Includes bibliographical references. Also available electronically via World Wide Web in PDF format; online version lacks appendix.

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Wardill, Trevor James. "Genetic diversity in the biological control process : Acacia nilotica as a test case /." [St. Lucia, Qld.], 2006. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19170.pdf.

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Книги з теми "Insects as biological pest control agents"

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Thomson, W. T. A worldwide guide tobeneficial animals (insects, mites, nematodes) used for pest control purposes. Fresno, CA: Thomson Publications, 1992.

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A worldwide guide to beneficial animals (insects, mites, nematodes) used for pest control purposes. Fresno, CA: Thomson Publications, 1992.

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3

United States. Agricultural Research Service., ed. Principles of insect parasitism analyzed from new perspectives: Practical implications for regulating insect populations by biological means. Washington, DC: U.S. Dept. of Agriculture, Agricultural Research Service, 1992.

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4

Randy, Gaugler, and Kaya Harry K, eds. Entomopathogenic nematodes in biological control. Boca Raton, Fla: CRC Press, 1990.

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5

S, Ignacimuthu, and Jayaraj S, eds. Green pesticides for insect pest management. New Delhi: Narosa, 2005.

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Virginia. Dept. of Agriculture and Consumer Services. Report of the Virginia Department of Agriculture and Consumer Affairs [i.e. Services] on the use of beneficial insects in Virginia to the Governor and the General Assembly of Virginia. Richmond: Commonwealth of Virginia, 1989.

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Yu, D. S. Natural enemies of pests associated with prairie crops. Ottawa, Ont: Communications Branch, Agriculture Canada, 1993.

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Yu, D. S. Natural enemies of pests associated with prairie crops. Ottawa: Minister of Supply and Services Canada, 1993.

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Kegley, Sandy. How to monitor knapweed biological control root feeding insects: Agapeta zoegana and Cyphocleomus achates. Coeur d'Alene, ID: U.S. Dept. of Agriculture, Forest Service, Northern Region, 2000.

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Insect wars. New York: Franklin Watts, 1997.

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Частини книг з теми "Insects as biological pest control agents"

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Sitaramaiah, S., S. Gunneswara Rao, G. Ramaprasad, and U. Sreedhar. "Role of Biological Control Agents in Tobacco Insect Pest Management." In Biocontrol Potential and its Exploitation in Sustainable Agriculture, 215–34. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4615-1377-3_14.

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Rodríguez Hernández, Mayra G. "Entompathogenic Nematodes in Cuba: From Laboratories to Popular Biological Control Agents for Pest Management in a Developing Country." In Nematode Pathogenesis of Insects and Other Pests, 353–74. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-18266-7_14.

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Rees, N. E., P. C. Quimby, and J. R. Coulson. "Biological Weed Control Technology." In Biorational Pest Control Agents, 252–69. Washington, DC: American Chemical Society, 1995. http://dx.doi.org/10.1021/bk-1995-0595.ch019.

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Shea, Patrick J. "Use of Insect Pheromones To Manage Forest Insects." In Biorational Pest Control Agents, 272–83. Washington, DC: American Chemical Society, 1995. http://dx.doi.org/10.1021/bk-1995-0595.ch020.

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Naranjo, S. E., G. B. Frisvold, and P. C. Ellsworth. "Economic value of arthropod biological control." In The economics of integrated pest management of insects, 49–85. Wallingford: CABI, 2019. http://dx.doi.org/10.1079/9781786393678.0049.

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Van Driesche, R. G. "Biological Pest Control in Mix and Match Forests." In Invasive Forest Insects, Introduced Forest Trees, and Altered Ecosystems, 79–99. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/1-4020-5162-x_5.

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van Lenteren, Joop C., Oscar Alomar, Willem J. Ravensberg, and Alberto Urbaneja. "Biological Control Agents for Control of Pests in Greenhouses." In Integrated Pest and Disease Management in Greenhouse Crops, 409–39. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-22304-5_14.

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Matienzo Brito, Yaril, Luis L. Vázquez, and Janet Alfonso-Simonetti. "Quality of Agroecosystems as Habitats to Natural Enemies and Biological Control Agents." In Natural Enemies of Insect Pests in Neotropical Agroecosystems, 27–34. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-24733-1_3.

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DeAmicis, Carl V., James E. Dripps, Chris J. Hatton, and Laura L. Karr. "Physical and Biological Properties of the Spinosyns: Novel Macrolide Pest-Control Agents from Fermentation." In Phytochemicals for Pest Control, 144–54. Washington, DC: American Chemical Society, 1997. http://dx.doi.org/10.1021/bk-1997-0658.ch011.

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Barratt, Barbara I. P., and Clark A. C. Ehlers. "Impacts of Exotic Biological Control Agents on Non-target Species and Biodiversity." In Environmental Pest Management, 325–46. Chichester, UK: John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781119255574.ch14.

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Тези доповідей конференцій з теми "Insects as biological pest control agents"

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Voloşciuc, Leonid, Boris Pînzaru, Tatiana Scerbacova, Aurelia Stingaci, Pantelimon Zavtoni, Andrei Lungu, and Stefan Crucean. "Extinderea gamei de preparate biologice de protecție a plantelor pentru agricultura convențională și ecologică." 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/gppb7.2021.95.

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The global population is projected to increase by 30 % to 9,2 billion by 2050 and this increased population density is estimated to increase demand for food production by 70 %. One of the principal di-rections of biological plant protection is elaboration of technologies for production and application of bio-logical preparations for combat not only of the noxious insects but also of pathogen agents which cannot be efficiently combated by other means of biological control. This report presents the results of state reg-istration of 5 baculoviral, 1 bacterial and 3 fungal preparations for combati

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Moldovan, Anna, Ion Toderaș, and Natalia Munteanu-Molotievskiy. "Noi agenți bacterieni de control biologic al insectelor dăunătoare in Republica Moldova." In International symposium ”Actual problems of zoology and parasitology: achievements and prospects” dedicated to the 100th anniversary from the birth of academician Alexei Spassky. Institute of Zoology, Republic of Moldova, 2018. http://dx.doi.org/10.53937/9789975665902.70.

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Modern agriculture faces numerous problems, many of which are caused by the excessive use of synthetic pesticides to control pests. Development of a sustainable agriculture system is a priority for the Republic of Moldova, the main objectives being food security, protection of environment, support the competitiveness of local farmers on national and international market. Biological control proved to be a successful approach to the sustainable management of harmful insects. Thus, it is necessary to make continuous efforts to address the demand of business and national economy in environmentally

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Stingaci, Aurelia, and Leonid Volosciuc. "Particularitățile identificării VPN și VG a Hyphantria Cunea prin aplicarea microscopiei optice și electronice." In International symposium ”Functional ecology of animals” dedicated to the 70th anniversary from the birth of academician Ion Toderas. Institute of Zoology, Republic of Moldova, 2019. http://dx.doi.org/10.53937/9789975315975.61.

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Biopesticides are mass-produced, biologically based agents used for the control of plant pests. They are an important part of integrated pest management (IPM), which aims to use complementary methods to manage pest populations at low levels, rather than eliminate them entirely. Biopesticides are being used on increasing scales and there is considerable interest in their potential as alternatives to conventional pesticides. Biopesticides have also attracted great interest in the international research community, with a significant increase in the number of publications devoted to the subject. A

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Stingaci, Aurelia, and Leonid Volosciuc. "Biotehnologii avansate de obținere a preparatului biologic în scopul combaterii dăunătorilor." In International Scientific Symposium "Plant Protection – Achievements and Prospects". Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2020. http://dx.doi.org/10.53040/9789975347204.30.

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Biopesticides have also attracted great interest in the international research community, with a significant increase in the number of publications devoted to the subject. At Institute of Genetics, Physiology and Plant Protection are prepared the bioinsecticides for use in Republic Moldova, mostly for the control In order to reduce the population of insect it is recommended utilization inoffensive preparations baculoviruses highly-pathogenic for the leaf-champing vermis of the H.cunea,were selected from the insect natural populations which is an efficient preparation for combating this pest in

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Gevorkyan, I. S. "APPLICATION OF THE IONIZING RADIATION IN THE PEST CONTROL." In V International Scientific Conference CONCEPTUAL AND APPLIED ASPECTS OF INVERTEBRATE SCIENTIFIC RESEARCH AND BIOLOGICAL EDUCATION. Tomsk State University Press, 2020. http://dx.doi.org/10.17223/978-5-94621-931-0-2020-67.

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The article briefly discusses the available and existing methods of control of insects-pests of grain reserves and food products. The author concludes about the preferences of the grain reserves irradiation by ionizing radiation. The author points out that to actual date, have been experimentally determined such doses of ionizing radiation, which sterilize or kill the most common insect pests. However, the data obtained are still not enough to organize a wide and comprehensive application of ionizing radiation in pest control. Therefore, it is necessary to conduct further in-depth and comprehe

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Liu, Tong-Xian. "Biological control of pest insects in protected environments in China: How far are we?" In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.107257.

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Mishchenko, Andrey V. "ON THE ISSUE OF BIOLOGICAL CONTROL OF MINING INSECTS OF FOREST-STEPPE LANDSCAPES OF THE MIDDLE VOLGA." In Treshnikov readings – 2021 Modern geographical global picture and technology of geographic education. Ulyanovsk State Pedagogical University named after I. N. Ulyanov, 2021. http://dx.doi.org/10.33065/978-5-907216-08-2-2021-55-56.

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Goldin, E. B. "Ecosystem approaches in the protection of reserved forest areas from phytophagous insects." In CURRENT STATE, PROBLEMS AND PROSPECTS OF THE DEVELOPMENT OF AGRARIAN SCIENCE. Federal State Budget Scientific Institution “Research Institute of Agriculture of Crimea”, 2020. http://dx.doi.org/10.33952/2542-0720-2020-5-9-10-10.

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Ecosystem approaches are highly important for pest control in forest reserved areas. Their background is conservation of biodiversity, application of microbial pathogens (bacteria, viruses and fungi) and preparations. Selective and prophylactic natural remedies (attractants, repellents and deterrents) are preferable also. This complex can provide biological security of forest reservations.

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Звіти організацій з теми "Insects as biological pest control agents"

1

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, October 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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2

Hackett, Kevin, Shlomo Rottem, David L. Williamson, and Meir Klein. Spiroplasmas as Biological Control Agents of Insect Pests. United States Department of Agriculture, July 1995. http://dx.doi.org/10.32747/1995.7613017.bard.

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Toward development of spiroplasmas as novel toxin-delivery systems for biocontrol of beetle pests in the United States (Leptinotarsa decemlineata) and Israel (Maladera matrida), media for cultivating beetle-associated spiroplasmas were improved and surveys of these spiroplasmas were conducted to provide transformable strains. Extensive surveys of spiroplasmas yielded promising extrachromosomal elements for vector constructs. One, plasmid pCT-1, was cloned, characterized, and used as a source of spiroplasma origin of replication in our shuttle vectors. The fibrillin gene was isolated and sequen

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3

Heinz, Kevin, Itamar Glazer, Moshe Coll, Amanda Chau, and Andrew Chow. Use of multiple biological control agents for control of western flower thrips. United States Department of Agriculture, 2004. http://dx.doi.org/10.32747/2004.7613875.bard.

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The western flower thrips (WFT), Frankliniella occidentalis (Pergande), is a serious widespread pest of vegetable and ornamental crops worldwide. Chemical control for Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) on floriculture or vegetable crops can be difficult because this pest has developed resistance to many insecticides and also tends to hide within flowers, buds, and apical meristems. Predatory bugs, predatory mites, and entomopathogenic nematodes are commercially available in both the US and Israel for control of WFT. Predatory bugs, such as Orius species, can suppre

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4

Roush, Richard, and David Rosen. Understanding the Causes and Genetic Effects of Thelytoky in the Aphelinidae: A Key to Improving Biological Control. United States Department of Agriculture, July 1992. http://dx.doi.org/10.32747/1992.7561058.bard.

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Helytoky is a type of parthenogenesis whereby females produce only female offspring without the involvement of males, even where males are occasionally produced. In the last few years, strong circumstantial evidence has implied that thelytoky can be caused by micro-organisms called Wolbachia in at least some species of wasps. The thelytoky can be "cured" by treatment with antibiotics. Further Wolbachia-like organisms can be found in microscopic examinations and genetically identified through their DNA. The aphelinid wasps, and especially species in the genus Aphytis, are among the most importa

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5

Werren, John H., Einat Zchori-Fein, and Moshe Coll. Parthenogenesis-Inducing Microorganisms in Parasitic Hymenoptera: Their Mode of Action and Utilization for Improvement of Biological Control Agents. United States Department of Agriculture, June 1996. http://dx.doi.org/10.32747/1996.7573080.bard.

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Wolbachia are intracellular bacteria known to cause reproductive and sex ratio disorders in many insects. In various parasitic Hymenoptera, Wolbachia induce thelytokous reproduction. The overall goal of this research was the improvement of biological control agents by reversion of their mode of reproduction. This was attempted from two directions: 1) studying the effect of naturally occurring Wolbachia on the thelytokous species Muscidifuraxuniraptor and 2) trying to transmit thelytoky-inducing Wolbachia to Nasoniavitripennis. In M. uniraptor, gamete duplication was found to be the mode of dip

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6

Glazer, Itamar, Randy Gaugler, Daniel Segal, Parwinder Grewal, Yitzhak Spiegel, and Senthamizh Selvan. Genetic Enhancement of Environmental Stability and Efficacy of Entomopathogenic Nematodes for Biological Control. United States Department of Agriculture, August 1995. http://dx.doi.org/10.32747/1995.7695833.bard.

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The overall obejctive of the research project was to enhance the intrinsic biological control potential of entomopathogenic nematodes through genetic manipulation. We have chosen heat and desiccation tolerance as prime traits to be enhanced in order to increase the overall efficacy of these nematodes against insect pests under harsh conditions. Initially, we used mutagenesis and selection approaches to enhance these traits. In the mutagenesis experiments several morphological mutants of Heterorhabditis bacteriophora HP88 were isolated and characterized phenotypically and genetically. Infective

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Altstein, Miriam, and Ronald Nachman. Rationally designed insect neuropeptide agonists and antagonists: application for the characterization of the pyrokinin/Pban mechanisms of action in insects. United States Department of Agriculture, October 2006. http://dx.doi.org/10.32747/2006.7587235.bard.

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The general objective of this BARD project focused on rationally designed insect neuropeptide (NP) agonists and antagonists, their application for the characterization of the mechanisms of action of the pyrokinin/PBAN (PK-PBAN) family and the development of biostable, bioavailable versions that can provide the basis for development of novel, environmentally-friendly pest insect control agents. The specific objectives of the study, as originally proposed, were to: (i) Test stimulatory potencies of rationally designed backbone cyclic (BBC) peptides on pheromonotropic, melanotropic, myotropic and

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Gurevitz, Michael, Michael E. Adams, and Boaz Shaanan. Structural Elements and Neuropharmacological Features Involved in the Insecticidal Properties of an Alpha Scorpion Neurotoxin: A Multidisciplinary Approach. United States Department of Agriculture, August 1995. http://dx.doi.org/10.32747/1995.7573061.bard.

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Integrated pest management in modern crop protection requires the use of chemical or biological insecticides in many instances. Nontheless, the use non-selective chemical insecticides poses risks to the environment and livestock and consequently urgent need exists for safer alternatives, which target insects more specifically. Scorpions produce anti-insect selective polypeptide toxins that are biodegradable and not toxic to wam-blooded animals. Therefore, mobilization of these substances into insect pest targets is of major interest. Moreover, clarification of the molecular basis of this selec

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9

Altstein, Miriam, and Ronald J. Nachman. Rational Design of Insect Control Agent Prototypes Based on Pyrokinin/PBAN Neuropeptide Antagonists. United States Department of Agriculture, August 2013. http://dx.doi.org/10.32747/2013.7593398.bard.

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Анотація:

The general objective of this study was to develop rationally designed mimetic antagonists (and agonists) of the PK/PBAN Np class with enhanced bio-stability and bioavailability as prototypes for effective and environmentally friendly pest insect management agents. The PK/PBAN family is a multifunctional group of Nps that mediates key functions in insects (sex pheromone biosynthesis, cuticular melanization, myotropic activity, diapause and pupal development) and is, therefore, of high scientific and applied interest. The objectives of the current study were: (i) to identify an antagonist bioph

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10

Gurevitz, Michael, Michael E. Adams, Boaz Shaanan, Oren Froy, Dalia Gordon, Daewoo Lee, and Yong Zhao. Interacting Domains of Anti-Insect Scorpion Toxins and their Sodium Channel Binding Sites: Structure, Cooperative Interactions with Agrochemicals, and Application. United States Department of Agriculture, December 2001. http://dx.doi.org/10.32747/2001.7585190.bard.

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Анотація:

Integrated pest management in modern crop protection may combine chemical and biological insecticides, particularly due to the risks to the environment and livestock arising from the massive use of non-selective chemicals. Thus, there is a need for safer alternatives, which target insects more specifically. Scorpions produce anti-insect selective polypeptide toxins that are biodegradable and non-toxic to warm-blooded animals. Therefore, integration of these substances into insect pest control strategies is of major importance. Moreover, clarification of the molecular basis of this selectivity

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