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SPECIALIZED TARSAL HAIRS ON ADULT MALE COLORADO POTATO BEETLES, LEPTINOTARSA DECEMLINEATA (SAY), HAMPER ITS LOCOMOTION ON SMOOTH SURFACES1

Published online by Cambridge University Press:  31 May 2012

Y. Pelletier  and
Z. Smilowitz
Y. Pelletier
Affiliation:
Department of Entomology, The Pennsylvania State University, University Park, Pennsylvania, USA16802
Z. Smilowitz
Affiliation:
Department of Entomology, The Pennsylvania State University, University Park, Pennsylvania, USA16802
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Abstract

Tarsi of male Colorado potato beetles adhere to glass and plastic surfaces limiting locomotion greatly. This is not observed with females. Scoop-like tarsal hairs present only in males are responsible for the adherence. The effect of this morphological difference on toxicological or behavioral research conducted in glass or plastic cages is discussed.

Résumé

Les mâles du doryphore de la pomme de terre adhèrent aux surfaces de plastique et de verre, ce qui limite grandement leur locomotion. Ceci n’est pas le cas des femelles. La présence de poils adhérents sur les tarses des mâles en est la cause. Nous discuterons aussi des conséquences de ce phénomène sur l’utilisation de cages construites en verre ou en plastique pour des études de toxicologie ou de comportement.

Type
Articles
Information
The Canadian Entomologist , Volume 119 , Issue 12 , December 1987 , pp. 1139 - 1142
Copyright
Copyright © Entomological Society of Canada 1987

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