Chauliognathus marginatus | Soldier beetle (also leatherwing) Chauliognathus marginatus. The common name refers to the uniform-like appearance. The adults are important predators of aphids but also eat nectar and pollen. The small photo (08/28/11, 7 pm) shows mating soldier beetles (notice the characteristic black band on the pronotum).
bug guide (this photo): http://bugguide.net/node/view/544331 wikipedia: http://en.wikipedia.org/wiki/Soldier_beetle |