17 July 1998 Notes on the Michigan Species of Coenagrion Chiefly a Palaearctic genus, three species are known from North America, of which two reach our area. Larvae are widely distributed in northern latitudes, and is probably univoltine in Michigan. Click on species' name for Michigan range map 1a.
Median gill ca.
A synonymic catalog of Neuroptera Odonata or dragonflies. Guerney and Jackson, London. Say, T. 1839. Selys-Longchamps, E. de. Le genre Agrion .