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Trap-oriented behaviour of red-banded blister beetles, Mylabris designata var. hacolyssa Rochebrune (Coleoptera: Meloidae), in the Sudan

Published online by Cambridge University Press:  10 July 2009

M. J. R. Hall
M. J. R. Hall
Affiliation:
Regional Veterinary Research Laboratory, P.O. Box 24, Nyala, Southern Darfur, Sudan
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Abstract

Mylabris designata var. hacolyssa Rochebrune is a pest of a variety of crops, particularly okra, in the central and western provinces of the Sudan. A study is reported of the responses of the beetle to visually attractive traps which were used to measure daily and seasonal flight activity. Blue-coloured traps were more attractive than red, lavender, white or black traps. The catching efficiencies of Manitoba traps and sticky targets were recorded by direct observation: 43·3% of approaching beetles were captured by a blue Manitoba trap whereas the initial 50–80% efficiency of blue sticky targets decreased to 10–20% over three days due to an increasing close range olfactory repellent effect on the beetles. The potential for the use of such traps as a cheap and environmentally acceptable alternative to the use of insecticides for control of M. d. hacolyssa is discussed.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 74 , Issue 1 , March 1984 , pp. 103 - 112
Copyright
Copyright © Cambridge University Press 1984

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