Genus Diaglyptidea Viereck, 1913

Diaglyptidea Viereck, 1913: 371 . Type: Diaglyptidea roepkei Viereck, 1913 . Original designation.

In Palearctic region, two species, Diag. conformis (Gmelin, 1790) and Diag. varipes Jonaitis, 1981, have been recorded. In this study, I newly record Diag. conformis from Japan. This is the first record of this genus from Japan.