Stolas chalybaeaBeetles, Insects, Natural History About this Taxon Common name(s): tortoise beetle. Order: Coleoptera. Family: Chrysomelidae. Subfamily: Cassidinae. Genus: Stolas. Collections & Observations Obs. M. A. Neves (25/11/2019). Det.: N. P. Smith (species, 14/01/2021); A. Amaral (genus, 01/2021).