Section 1
Chapter 920

Laboratory observations on the predation of Toxorhynchites rutilus rutilus on Aedes aegypti (Diptera: Culicidae)

Padgett, P.D.; Focks, D.A.

Journal of Medical Entomology 17(5): 466-472


ISSN/ISBN: 0022-2585
PMID: 6106719
DOI: 10.1093/jmedent/17.5.466
Accession: 000919638

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Laboratory tests in Florida with fourth-instar larvae of Toxorhynchites rutilus rutilus (Coq.) indicated that their predation on Aedes aegypti (L.) was affected by container size, prey density and prey stage present. Rates both of prey consumption and of prey killing without consumption were found to vary directly with prey density and inversely with container size. During their fourth instar, the Toxorhynchites larvae consumed fewer pupae than fourth-instar larvae of A. aegypti, and more first-instar than fourth-instar larvae.

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