Synonyms and other taxonomic changes
Author of Tribe: Mulsant 1846
Small, rounded oval to oblong, highly convex (dome-shaped)
Brown or black; may have brown, yellowish, or reddish markings. Pronotum and elytra often with contrasting colors.
Dorsal (upper) surface and eye pubescent (having short, fine hairs)
Antenna 8 to 11 segmented, terminal segments forming distinct club
Maxillary palpus with apical segment cylindrical or securiform
Leg free, simple, not expanded or enlarged; tarsus trimerous or cryptotetramerous, tarsal claw simple or with basal tooth.
Abdomen with 6 visible sterna, sterna usually not fused medially, apex of 6th abdominal sternum of male modified (2)
Larvae are covered in waxy white tufts, resembling mealybugs or hairy caterpillars.
Small soft-bodied insects, such as aphids. Genus Cryptolaemus specializes on mealybugs.
Gordon, R.D. 1985. The Coccinellidae (Coleoptera) of America north of Mexico. Journal of the New York Entomological Society 93(1):  + 912 pp. Full Text
especially pp. 99-315. (2)
Gordon, R.D. 1976. The Scymnini (Coleoptera: Coccinellidae) of the United States and Canada: Key to Genera and Revision of Scymnus, Nephus, and Diomus. Bulletin of the Buffalo Society of Natural Sciences 28: 1-362. (3)