Calyptra thalictri is a genus of Calypta in the Erebidae family, within the Noctuoidea superfamily, and under the Lepidoptera (an order of insects that includes butterflies and moths).
Family: Erebidae Genus: Calyptra Superfamily: Noctuoidea Order: Lepidoptera Lepidoptera (/lpdptr/ LEP-i-DOP-tr-, from Ancient Greek lepis "scale" + pteron "wing") is an order of insects that includes butterflies and moths (both are called lepidopterans). 
