An annotated list of the Lepidoptera of Alberta, Canada Pohl, Greg Anweiler, Gary Schmidt, Christian Kondla, Norbert ZooKeys 2010 2010-03-05 38 38 1 549 62D 30222 [166,277,1152,1179] Insecta Adelidae Animalia Lepidoptera 50 51 Arthropoda family  Small ( 10–25 mmwingspan) day-flying moths with reduced palps, a scaled proboscis, and iridescent greenish purple wings with white marks. Males of most species have extremely long antennae, up to three times the forewing length. Th ey are often found swarming above host plants. Females have piercing ovipositors. Little is known about their biology. In some species, eggs are laid in flowers, where the larvae feed briefly before making a case, in which they drop to the ground and continue to feed, probably on dead leaves. Almost 300 species of Adelidaeare known worldwide. Eighteen species are known from North America, including four from AB. Taxonomic coverage of the Adelidaeis incomplete for North America; Powell (1969)covered the genera  Nemophora(as  Elasmion) and Adela, but the remaining genus,  Cauchas, has never been revised.