The mating system ofTokunagayusurika akamusi (Diptera; Chironomidae): II. Experimental analysis of male mating behaviour at the resting place
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Mating behaviour ofTokunagayusurika akamusi searching at the resting place (lakeside vegetation, although mating also occurs in the air by swarming) was investigated at the shore of Lake Biwa. Coinciding with the arrival of newly emerged adults, previously emerged males walked about to search for mates at the resting place. When a searching male came into contact with a fresh (newly emerged) individual, he attempted to copulate with it regardless of its sex. Consequently, males copulated with fresh females, which were more likely to be virgin at the resting place, suggesting that the first male might contribute best to the fertilization.
KeywordsExperimental Analysis Mating System Animal Ecology Male Mating Mating Behaviour
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