Mating behaviour of the pulse beetle, Callosobruchus chinensis (Coleoptera: Bruchidae) [in United Kingdom]
1991
Islam, M.N. (Bangladesh Agricultural Research Inst., Gazipur (Bangladesh). Entomology Div.)
The sequential analysis of mating behaviour and the effects on visual cues on the behavioural responses of the pulse beetle, Callosobruchus chinensis (L.), have been studied. Courtship is accomplished in two phases: the mate locating and the copulatory phase. In each phase, the male performs a sequence of discrete actions. Lifting of the female's abdomen is essential for successful copulation. Males oriented to visual cues in the copulatory phase and spent significantly more time at a pheromone source than when visual cues were absent. Many more copulatory attempts were directed at the source in the presence of visual cues.
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