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The night resting sites of Glossina tachinoides Westwood (Diptera: Glossinidae) in northern Nigeria

Published online by Cambridge University Press:  10 July 2009

U. Spielberger  and
F. Barwinek
U. Spielberger
Affiliation:
Tsetse and Trypanosomiasis Division, Federal Livestock Department, P.M.B. 2005, Kaduna, Nigerial.
F. Barwinek
Affiliation:
Tsetse and Trypanosomiasis Division, Federal Livestock Department, P.M.B. 2005, Kaduna, Nigerial.
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Abstract

The night resting sites of Glossina tachinoides Westw. were observed in riverine forest at Bara, Bauchi State, northern Nigeria. The flies were marked with an ultraviolet-reflecting paint and released at dusk. They were detected with the aid of an ultraviolet lamp. Most of the flies (84·6%) rested on leaves (68·3% on the upper sides) and on small twigs and creepers (11·5%). The resting heights ranged from ground level up to 6·8 m. The average resting height was highest (2·6 m) in the mid-rains at 20.00–24.00 h; however, at 24.00–04.00 h at the same season the mean height was only 1·6 m. Resting height was lowest (1·3 m) in the early rains. Females were found to rest slightly higher than males and, in moonlit periods, both sexes had a tendency to perch higher. The night resting behaviour of G. tachinoides is compared with that of G. palpalis palpalis (R.-D.), which was investigated in an earlier study at the same location. There is much similarity in the behaviour of the two species, but G. tachinoides selects lower resting sites, and a slightly higher proportion of this species is found to rest on leaves as opposed to small twigs

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 68 , Issue 1 , April 1978 , pp. 137 - 144
Copyright
Copyright © Cambridge University Press 1978

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