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Mating Behaviour and Behavioural Ecology of a Predatory Wasp, Symmorphus allobrogus (de Saussure) (Hymenoptera: Eumeninae).

This paper represents an attempt to investigate the mating behaviour of Symmorphus allobrogus, explaining the willingness of male to mount and copulate. The male displays including mode and frequency of antennation and position while copulating, the displays further comprises of intensity and frequency of rejecting behaviour. The presence of the male’s copulatory and postcopulatory courtship studies, understands the maintenance of monandry. The wasp has numerous secondary sexual characters, and the mating behaviour follows a phyletic and the specific sexual mating characters in context of sexual selection. The duration of mating phases and the number of male antennation series during precopulatory, copulatory and postcopulatory phases of mounting, differs significantly. Mating success depends mostly on the activities of male in the premounting phase and the behaviour of both sexes has a roughly equal importance for it in precopulatory phase. While during copulation, activity of male has little influence on its duration ; however, behaviour of female has crucial effect, inducing its earlier termination.

Mating Behaviour ; Behavioural Ecology ; Predatory Wasp ; Symmorphus allobrogus

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