Keys to the Insects of the European Part of the USSR: Megaloptera, Raphidioptera, Neuroptera, Mecoptera and Trichoptera v. 4, Pt. 6

The fourth volume in a set devoted to the insects of the European part of the USSR. It includes more than 475 species belonging to 143 genera. It provides a brief outline of the morphology and biology for the families of the superorder neuropteroidea and order Mecoptera and details distribution.