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Functional response ofChrysopa carnea [Neur: Chrysopidae] larvae feeding onHeliothis virescens [Lep.: Noctuidae] eggs on cotton in field cages |
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| Authors: | S B Stark F Whitford |
| Institution: | (1) Southern Field Crop Insect Management Laboratory Agricultural Research Service, USDA, 38776 Stoneville, MS, U.S.A.;(2) Present address: Pfizer Inc., Eastern Point Road, 06340 Groton, CT, U.S.A.;(3) Present address: Department of Entomology, Louisiana State University, 402 Life Sciences Building, 70803 Baton Rouge, LA, U.S.A. |
| Abstract: | The functional response of 3rd instarChrysopa carnea (Stephens) larvae feeding on 4 densities ofHeliothis virescens (F.) eggs was determined on caged cotton (Gossypium hirsutum L.).C. carnea larvae had a mean search rate of 1.08×10−5 ha/predator-day or 0.11 row-m/predator-day. |
| Keywords: | Chrysopa carnea Heliothis virescens functional response predation cotton |
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