Xorides ater mating behaviour A Adult female (left) in copula with two attached males (right). [For greater clarity, figure 2A has been edited to create a stacked composite image of two less-focused images. The original raw files are available in Suppl. material 2: S.Fig. 1A and S.Fig. 1B]; B Close up of genitalic attachment points – left paramere of male (right) attached to the sixth sternite of female (left). Parameres of second male (background) are obscured from view; C Adult female (left) in copula with single male (right). Only the hind legs of the male are in contact with the wood; D Close up of genitalic attachment points – left paramere of male (right) attached to the sixth sternite of female (left).

 
 
  Part of: Shaw MR, Giannotta M, Herrera-Flórez AF, Klopfstein S (2021) Two males, one female: triplet-style mating behaviour in the Darwin wasp Xorides ater (Gravenhorst, 1829) (Hymenoptera, Ichneumonidae, Xoridinae) in the Swiss Alps. Alpine Entomology 5: 15-22. https://doi.org/10.3897/alpento.5.64803