«Locksterzeln» begattungsbereiter ergatoider Weibchen vonHarpagoxenus sublaevis NYL. (Hymenoptera, Formicidae)
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Young ergatoid females of the dulotic antHarpagoxenus sublaevis have a special way of attracting males. In swarming time these originally wingless females climb elevated points in the surroundings of their nest. There they sit holding their abdomen upwards, presumably emitting an attracting substance. When a male approaches such a female, copulation can be observed.