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The sequence of events in outbreaks of Austrosimulium pestilens Mackerras & Mackerras (Diptera: Simuliidae)

Published online by Cambridge University Press:  10 July 2009

D. M. Hunter
Affiliation:
Department of Parasitology, University of Queensland, St. Lucia, Brisbane, Qd 4067, Australia.

Abstract

Studies in Queensland showed that an outbreak of Austrosimulium pestilens Mack. & Mack. occurs if the water-level in a river rises enough to release eggs buried in the river-bed. Following such a rise, the larval development of A. pestilens was completed in 6–7 days in summer and 9–10 days in winter, and after a pupal period of 1·5–2 days in summer and 3 days in winter, adult eclosion began. Most flies emerging during the first 1–2 days were males, but females were slightly predominant later. A. pestilens emerged throughout the diel; at night there was a drop in the numbers emerging, and this was followed by a distinct early morning peak. Following a rapid rise and fall in river-levels, adult eclosion and mating occurred over a period of several days early in an outbreak, but after high river-levels of long duration, eclosion and mating occurred over a much longer period.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1978

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References

Colbo, M. H. (1977). Diurnal emergence patterns of two species of Simuliidae (Diptera) near Brisbane, Australia.—J. med. Ent. 13, 514515.CrossRefGoogle Scholar
Colbo, M. H. & Moorhouse, D. E. (1974). The survival of the eggs of Austrosimulium pestilens Mack. & Mack. (Diptera, Simuliidae).—Bull. ent. Res. 64, 629632.CrossRefGoogle Scholar
Davies, D. M. & Syme, P. D. (1958). Three new Ontario black flies of the genus Prosimulium (Diptera: Simuliidae). Part II. Ecological observations and experiments.—Can. Ent. 90, 744759.CrossRefGoogle Scholar
Disney, R. H. L. (1969). The timing of adult eclosion in blackflies (Dipt., Simuliidae) in West Cameroon.—Bull. ent. Res. 59, 485503.CrossRefGoogle Scholar
Hunter, D. M. (1977). Eclosion and oviposition rhythms in Simulium ornatipes (Diptera: Simuliidae).—J. Aust. ent. Soc. 16, 215220.CrossRefGoogle Scholar
Hunter, D. M. (in press). Sugar-feeding in some Queensland black flies (Diptera: Simulijdae).—J. med. Ent.Google Scholar
Hunter, D. M. & Moorhouse, D. E. (1976a). The effects of Austrosimulium pestilens on the milk production of dairy cattle.—Aust. vet. J. 52, 9799.CrossRefGoogle ScholarPubMed
Hunter, D. M. & Moorhouse, D. E. (1976b). Comparative bionomics of adult Austrosimulium pestilens Mackerras & Mackerras and A. bancrofti (Taylor) (Diptera, Simuliidae).—Bull. ent. Res. 66, 453467.CrossRefGoogle Scholar
Kureck, A. (1969). Tagesrhythmen lappländischer Simuliiden (Diptera).—Oecologia 2, 385410.CrossRefGoogle ScholarPubMed
McCarthy, P. H. (1961). Austrosimulium pestilens: a source of severe irritation to marsupials. Aust. vet. J. 37, 334.CrossRefGoogle Scholar
Mackerras, M. J. & Mackerras, I. M. (1948). Simuliidae (Diptera) from Queensland.—Aust. J. Sci. Res. (B) 1, 231270.Google Scholar
Raybould, J. N. (1967). A method of rearing Simulium damnosum Theobald (Diptera; Simuliidae) under artificial conditions.—Bull. Wld Hlth Org. 37, 447453.Google ScholarPubMed
Sommerman, K. M., Sailer, R. I. & Esselbaugh, C. O. (1955). Biology of Alaskan blackflies (Simuliidae, Diptera).—Ecol. Monogr. 25, 345385.CrossRefGoogle Scholar