Gustatory sensilla sensitive to protein kairomones trigger host acceptance by an endoparasitoid - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Proceedings of the Royal Society B: Biological Sciences Année : 2002

Gustatory sensilla sensitive to protein kairomones trigger host acceptance by an endoparasitoid

F. Bénédet
  • Fonction : Auteur
T. Leroy
  • Fonction : Auteur
C. Thibaudeau
  • Fonction : Auteur
E. Thibout
  • Fonction : Auteur
S. Renault
  • Fonction : Auteur

Résumé

Proteins isolated from the host cocoon of Acrolepiopsis assectella (Lepidoptera : Yponomeutoidea) act as kairomones for host acceptance by the endoparasitoid wasp Diadromus pulchellus Wesmael (Hymenoptera : Ichneumonidae). In this study, morphological, ultrastructural and electrophysiological studies were carried out in order to identify the contact chemoreceptive sensilla on the parasitoid antennae that perceive the protein kairomones. Three types of sensillum on the antennae of the females were found to have a chemosensory function. The receptor cell(s) of one sensillar type were shown to give a positive electrophysiological response to protein kairomones. This sensillar type is apically multiporous and female specific. Consequently, this sensillum could be the one implicated in the perception of the protein kairomone that triggers the host-acceptance behaviour of D. pulchellus females.

Dates et versions

hal-04653886 , version 1 (19-07-2024)

Identifiants

Citer

F. Bénédet, T. Leroy, Nathalie Gauthier, C. Thibaudeau, E. Thibout, et al.. Gustatory sensilla sensitive to protein kairomones trigger host acceptance by an endoparasitoid. Proceedings of the Royal Society B: Biological Sciences, 2002, 269 (1503), pp.1879-1886. ⟨10.1098/rspb.2002.2077⟩. ⟨hal-04653886⟩
13 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Mastodon Facebook X LinkedIn More