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International Journal of Tropical Insect Science

, Volume 13, Issue 6, pp 781–786 | Cite as

Sites and Abundance of Chemoreceptors on the Legs of Tsetse, Glossina Tachinoides (Diptera: Glossinidae)

  • F. D’Amico
  • B. Geoffroy
  • D. Cuisance
  • J. P. Bossy
Research Article

Abstract

Light and scanning electron microscopy investigations were carried out to identify and count the chemoreceptors on the legs of the tsetse, Glossina tachinoides Westwood, and topographical maps, considered of value in electrophysiological and behavioural research are presented. The candidate chemoreceptors are located on the femorae, the tibiae and the tarsi and are more abundant on the ventral zone of each segment. The study demonstrates that the prothoracic, mesothoracic and metathoracic legs have a similar number of chemoreceptors and male flies possess more than female (1033 and 570, respectively). The variability of the number of chemoreceptors on the prothoracic legs has been estimated in both sexes.

Key Words

Tsetse Glossina tachinoides chemoreceptors topography abundance legs SEM 

Résumé

L’identification et le comptage des chimtorécepteurs ont été établis en microscopie classique et en microscopie électronique à balayage sur les pattes de Glossina tachinoides Westwood, 1850. Les auteurs présentent une carte de répartition des chimiorécepteurs, utile pour les recherches d’électrophysiologie et de comportement. Ces chimiorécepteurs localisés sur le fémur, le tibia et le tarse sont plus abondants sur les zones ventrales. Cette étude montre que les 3 paires de pattes possèdent un nombre similaire de chimiorécepteurs et un important dimorphisme sexuel: 1033 chimiorécepteurs chez le mâle contre 570 chez la femelle. La variabilité du nombre de chimiorécepteurs pour les deux sexes a été estimée sur la patte prothoracique.

Mots Clés

Mouche tsétsé Glossina tachinoides chimiorécepteurs topographie abondance pattes MEB 

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Copyright information

© ICIPE 1992

Authors and Affiliations

  • F. D’Amico
    • 1
  • B. Geoffroy
    • 1
  • D. Cuisance
    • 2
  • J. P. Bossy
    • 3
  1. 1.ORSTOM Montpellier, Département SantéMontpellier CedexUSA
  2. 2.IEMVT-CIRADMontpellier CedexUSA
  3. 3.INRA-Station de Recherches de Pathologie ComparéeService de Microscopie ElectroniqueSaint-Christol-lez-AlèsFrance

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