Cephaloleia basalis (Weise, 1910)

Sekerka, Lukáš, 2017, Taxonomic changes within Imatidiini and Hybosispini (Coleoptera: Chrysomelidae: Cassidinae), Acta Entomologica Musei Nationalis Pragae (Acta. Ent. Mus. Natl. Pragae) 57 (2), pp. 351-380 : 361

Key to Cephaloleia basalis species-group

1 Anterior corners of pronotum strongly projecting anteriad. Antennomere I simple. Vertex sparsely and moderately densely punctate, not impressed. Elytra strongly convex, lateral impressions on disc deep. ................................................................................... 2

– Anterior corners of pronotum barely projecting anteriad. Antennomere I with a small acute tip projecting anteriad on verntral side. Vertex coarsely and densely punctate, distinctly impressed. Elytra moderately convex, lateral impressions on disc shallow. ........ ................................................................................................... C. jataiensis ( Pic, 1923)

2 Base of elytra with large common red patch. Pronotum narrower, 1.3× as wide as long. Vertex strongly shiny, only with macropunctation and micropunctation. ........................ .................................................................................................. C. basalis ( Weise, 1910)

– Elytra uniformly pitch black. Pronotum broader, 1.5× as wide as long. Vertex somewhat opaque due to microreticulation. ......................................... C. impressa Uhmann, 1930