Showing results for: larvae feed Articles
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Polyphagy and primary host plants: oviposition preference versus larval performance in the lepidopteran pest Helicoverpa armigera
Oviposition preference and several measures of offspring performance of Helicoverpa armigera (Hübner) were investigated on a subset of its host plants that were selected for their reputed importance in the field in Australia. They included cotton, pigeon pea, sweet corn, mungbean, bean and common sowthistle. Plants were at their flowering stage when presented to gravid female moths. Flowering ...
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Toxic concentrations in fish early life stages peak at a critical moment
During the development of an embryo into a juvenile, the physiology and behavior of a fish change greatly, affecting exposure to and uptake of environmental pollutants. Based on experimental data with sole (Solea solea), an existing bioaccumulation model was adapted and validated to calculate the development of concentrations of persistent organic pollutants in the tissue of developing fish. ...
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No impact of DvSnf7 RNA on honey bee (Apis mellifera L.) adults and larvae in dietary feeding tests
The honey bee, Apis mellifera L. is the most important managed pollinator species worldwide and plays a critical role in pollination of a diverse range of economically important crops. Due to this species' importance to agriculture and its historical use as a surrogate species for pollinators to evaluate the potential adverse effects for conventional, biological and microbial pesticides, as ...
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Affects of White Spot Syndrome Virus (WSSV) in Shrimp Farming (Part 3)
White Spot Syndrome Virus (WSSV) is now and has for some time been the most serious threat facing the shrimp farming industry in Asia. It is an extremely virulent pathogen with a large number of host species. This disease is probably the major cause of direct losses of shrimp farming in Asia. Similarly, in Latin America, losses due to WSSV have been substantial. In addition, indirect losses in ...
By Vinnbio
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Using leaf area meters: Assessing roosting sites for Melon fly and Oriental fruit fly - Case study
Assessment of Attractiveness of Plants as Roosting Sites for the Melon Fly, Bactrocera cucurbitae, and the Oriental Fruit Fly, B. dorsalis. The Researcher Dr. Grant McQuate is a researcher with the USDA Agricultural Research Service (ARS) in Hilo, Hawaii. With over 24 years of experience in research in insect ecology, Dr. McQuate has focused much of his work on the attraction, ecology, host ...
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