Section 1
Chapter 830

Biological observations of Toxorhynchites amboinensis (Diptera: Culicidae) in the laboratory

Steffan, WA.; Stoaks, RD.; Evenhuis, NL.

Journal of Medical Entomology 176: 515-518


ISSN/ISBN: 0022-2585
DOI: 10.1093/jmedent/17.6.515
Accession: 000829640

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Observations on the biology of a laboratory colony of Toxorhynchites amboinensis (Doleschall) in Hawaii (a species introduced from the Philippines for biological control) are reported and compared with published observations on the closely related T. splendens (Wied.), with which T. amboinensis has been confused. Mating and oviposition behaviour was similar in the 2 species. The daily fecundity of T. amboinensis decreased from 14.3 eggs/female in week 2 to 4.8 eggs/female 9 weeks later. Adult life-span was estimated as 13-107 days, with gradually earlier mortality throughout the life of the colony. Egg viability varied from 25 to 100% and decreased steadily after 7 weeks as the colony aged.

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