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The functional response of toxorhynchites rutilus rutilus diptera culicidae a predator on container breeding mosquitoes


, : The functional response of toxorhynchites rutilus rutilus diptera culicidae a predator on container breeding mosquitoes. Journal of Medical Entomology 20(6): 585-590

T. r. rutilus displays a type II functional response, similar to that of most insect predators. Estimates of attack rates within and across its larval instars were not significantly different. The estimates for prey handling time showed no trend within the 4th instar, but decreased with each molt as the predator matured from 1st-4th instar. At densities of 2 and 4 predators/container, attack rates decreased with increasing predator density, although they were not significantly different. Handling times significantly decreased as predator density increased. The study is summarized in the functional response surfaces for individual and total predator populations.

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Related references

Bailey, D.; Adabbe, D1; Focks, D.1; Dame, D., 1983: Field releases with adults and pupae of Toxorhynchites rutilus rutilus (Diptera: Culicidae) Mosquitoes as biological control agents against tree-hole- and container-breeding mosquitoes. Journal of medical entomology, 20(3): 308-312

Focks, D.A.; Sackett, S.R.; Dame, D.A.; Bailey, D.L., 1983: Toxorhynchites rutilus rutilus (Diptera: Culicidae): field studies on dispersal and oviposition in the context of the biocontrol of urban container-breeding mosquitoes. Journal of Medical Entomology 20(4): 383-390

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