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A Study of the Age of Females of Simulium ornatum Mg. (Diptera) attracted to Cattle

Published online by Cambridge University Press:  10 July 2009

L. Davies
Affiliation:
Zoology Department, Durham Colleges, University of Durham.

Extract

Females of Simulium ornatum Mg. were found to contain abundant fat-body on emergence from the pupa. Unengorged individuals fed on sucrose solution in the laboratory at 16–18°C. and 22–23°C. showed depletion of the fat-body until little remained after 14 days. Females engorged on cattle in the field and kept in the laboratory at 16–18°C. became gravid in 4–5 days, when virtually no fat-body remained.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1957

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