Cryptocephalinae, Gyllenhal, 1813

Schöller, M., 2009, Revision of the New Caledonian genus Scaphodius CHAPUIS (Coleoptera: Chrysomelidae: Cryptocephalinae), Linzer biologische Beiträge 41 (1), pp. 767-801 : 789

Key to the New Caledonian genera of Cryptocephalinae

1 Scutellum large, triangular, elytra with seven rows of punctures plus a scutellar puncture row and a row of punctures abutting epipleura..................... Diachus LECONTE

- scutellum small, rombiform, i.e. spindle-shaped, elytra with nine rows of punctures or non-punctured regular striae, plus a scutellar stria or puncture row and a stria or row of punctures abutting epipleura, or puncturation confused.......................................2

2(1) Eyes with distinct, mostly triangular canthus .................................. Ditropidus ERICHSON

- Eyes without canthus, inner margin of eye at most arcuate .............. Scaphodius CHAPUIS