Abstract
In the libellulid dragonfly Crocothemis erythraea (Brulle 1832), FF show multiple matings with several MM during one visit of the reproductive site. They oviposite at various locations of the water. Pairs which are harassed by other MM during copulation fly off in the copulation wheel, and they copulate for a longer period of time before starting oviposition at another site. Escape flights increase the reproductive success of the M by extending the duration of the subsequent oviposition. Multiple matings occur when ovipositing FF are harassed by other MM which patroll above the oviposition site. At high M densities, FF copulate more often than at low densities. Because of the frequent changes of site during multiple matings, the F exposes herself to predator (frog) attacks during oviposition. Female behaviour for avoiding further copulations after harassment by MM is discussed as an anti-predator defense.
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