Ditrysia is a clade of lepidopterans that contains both butterflies and a majority of moth species. They are named for the fact that the female has two distinct sexual openings: one for mating, and th
The Obtectomera is a clade of macro-moths and butterflies, comprising over 100,000 species in at least 12 superfamilies. This clade was initially defined by a pupal stage with the four anterior abdomi