Alvarinus Blanchard, 1850

Corminus Burmeister, 1855: 39 . Type species: Corminus canescens Burmeister, 1855 (designation: Evans 2003: 254).

Corminus – Katovich 2008: 6 (synonymy).

Type species

Alvarinus hilarii Blanchard, 1850 (designation: Evans 2003: 224).

Diagnosis

Clypeal ventral area strongly widened (Fig. 3 A); pronotal anterior and posterior margins not beaded (Fig. 3 B); prosternum anteriorly concave (similar to Fig. 12 K); protibia with two external teeth and without spur (Fig. 3 B); elytral striae indistint, posterior and posterointernal margins not beaded; mesoand metafemurs of male with some long and spine-like setae (Fig. 3 C); metatarsomere V without spinelike setae; abdomen with intersegmental membrane VII–VIII concealed (Fig. 3 A).