Moneilema Say, 1824

(Fig. 39)

Moneilema Say, 1824b: 403 .

Type species— Moneilema annulatum Say, 1824 (monotypy).

Collapteryx Newman, 1838: 397 .

Type species— Collapteryx blapsides Newman, 1838 (monotypy).

Omoscylon Thomson, 1867: 74 .

Type species— Moneilema subrugosum Bland, 1862 (subsequent designation, Lacordaire, 1869: 281).

Monoplesa Motschulsky, 1875: 144 .

Type species— Monoplesa armigera Motschulsky, 1875 (subsequent designation, Linsley & Chemsak, 1984: 19).

Diagnosis. Body convex, elongate-oval. Antennae shorter than the body in both sexes. Sides of the prothorax rounded or armed with a lateral spine; procoxal cavities closed externally and posteriorly; mesoventrite broad. Elytra without distinct humeri; wings vestigial or absent. Number of species currently included: 20; in Mexico: 19.