Callosobruchus subinnotatus penis

Опис:

Description: A strange, jawlike structure on the genitalia of the seed beetle (Callosobruchus subinnotatus). Referenced in Rönn, J., Katvala, M. & Arnqvist, G. 2007. Coevolution between harmful male genitalia and female resistance in seed beetles. Proceedings of the National Academy of Sciences 104, 10921-1092. and Hotzy, C. & Arnqvist, G. 2009. Sperm competition favors harmful males in seed beetles. Current Biology 19, 404-407. Source: http://news.nationalgeographic.com/news/2009/02/photogalleries/spiky-beetle-genitals/images/primary/090225-05-spiky-beetle-genitals_big.jpg from http://news.nationalgeographic.com/news/2009/02/photogalleries/spiky-beetle-genitals/photo5.html. Author: Johanna Rönn, Department of Animal Ecology, Uppsala University.