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Studies on the biconical trap as a sampling device for tsetse (Diptera: Glossinidae) in Mozambique

Published online by Cambridge University Press:  19 September 2011

W. Takken
W. Takken
Affiliation:
P.O. Box 76, Vom, Plateau State, Nigeria
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Abstract

Biconical traps were studied for their efficiency in sampling for Glossina morsitans morsitans Westw., G. pallidipes Aust., G. austeni Newst. and G. brevipalpis Newst. in three localities in Mozambique where these species occur sympatrically or singly. Studies were also carried out to determine whether acetone vapour was effective in enhancing the efficiency of the biconical trap. Various comparisons were also made between biconical traps and Langridge traps, and with fly-round patrols, with and without bait oxen.

It was demonstrated initially that the blue biconical trap (BBT) was more efficient for G. morsitans and G. pallidipes than red or white models or Langridge traps. In all subsequent studies, therefore, the BBT was used. It was concluded that: the BBT was ineffective for sampling G. morsitans, with or without acetone; the BBT was markedly more effective than fly rounds for sampling G. pallidipes, and its efficiency was significantly enhanced by acetone; and G. austeni was attracted to the BBT, but not all flies would enter the non-return cage—G. brevipalpis was readily caught in the BBT. Acetone with the BBT gave inconclusive results for these species.

Keywords

GlossinatsetseMozambiquebiconical trapacetonesamplingfly rounds
Type
Research Article
Information
International Journal of Tropical Insect Science , Volume 5 , Special Issue 5: Tsetse Behaviour and Population Ecology , October 1984 , pp. 357 - 361
Copyright
Copyright © ICIPE 1984

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