A new role for antennation in paper wasps (Hymenoptera, Vespidae): Antennal courtship and sex dimorphic glands in antennomeres

R. Romani, N. Isidoro, P. Riolo, F. Bin, A. Fortunato, S. Turillazzi, L. Beani

Research output: Contribution to journalArticle

35 Scopus citations

Abstract

Males of Polistes dominulus perform antennal vibrations and grasping of female antennae during pre-copulatory and copulatory phases. Male antennation plays a relevant role in mating success. In several antennomeres of males of P. dominulus and Vespa crabro, a further species in which we observed male antennation, we found secretory cells of class 1 and 3 associated to the same release site. In P. dominulus, class 3 cells with ampulla-like reservoirs and class 1 cells release their secretion through hairless multiporous areas. In V. crabro, tyloid-like structures are associated with large apodemes. The as yet unidentified secretion of these glands may act as a contact or low-volatile sex pheromone during courtship behaviour.

Original languageEnglish (US)
Pages (from-to)96-102
Number of pages7
JournalInsectes Sociaux
Volume52
Issue number1
DOIs
StatePublished - Feb 1 2005
Externally publishedYes

Keywords

  • Antennal courtship
  • Antennal glands
  • Polistes dominulus
  • Sex pheromone
  • Ultrastructure
  • Vespa crabro

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Insect Science

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