Comparison of Acyrthosiphon pisum (Homoptera: Aphididae) and Frankliniella occidentalis (Thysanoptera: Thripidae) as prey for the development and survival of Chrysopa pallens (Neuroptera: Chrysopidae) |
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Authors: | Shovon Chandra Sarkar Endong Wang Shengyong Wu Zhongren Lei |
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Institution: | State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China |
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Abstract: | The effects of two different prey species on the pre-imaginal development and survival of the green lacewing, Chrysopa pallens were determined under laboratory conditions. The developmental duration from first instar to adult emergence was shorter when larvae were fed on Acyrthosiphon pisum (22.56 ± 0.39 d) than on Frankliniella occidentalis (29 ± 0.45 d). The survival rate of lacewings from first instar to adult emergence was 22.6% higher when they were fed on A. pisum than when fed on F. occidentalis. The possible implications of these findings are applicable to mass-rearing of C. pallens and for understanding predator's biology and survival capacity in the presence of prey species evaluated and could be used in the development of an effective biological control program. |
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Keywords: | Corresponding authors Prey suitability Lacewing Aphid Thrips Pre-imaginal development Survival |
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