Megachilinae is a subfamily of bees, the largest subfamily in the family Megachilidae, the mason bees.
Subfamily MegachilinaeTribe LithurginiLithurgusMicrothurgeTrichothurgusTribe OsmiiniAfroheriadesAshmeadiellaAtoposmiaBekiliaChelostomaHaetosmiaHeriades have narrow abdominal bands. They resemble small Osmia, but they are oligolectic (specialized on a few subfamilies of Asteraceae) and use resin from conifers, as well as plant fibers and sand, as cell wall material.HofferiaHoplitisHoplosmiaNoteriadesOchreriadesOsmiaOthinosmiaProtosmiaPseudoheriadesStenoheriadesStenosmiaWainiaXeroheriadesTribe AnthidiiniAcedanthidiumAfranthidiumAfrostelisAnthidiellumAnthidiomaAnthidiumAnthodioctesApianthidiumAspidosmiaAustrostelisAztecanthidiumBathanthidiumBenanthisCyphanthidiumDianthidiumDuckeanthidiumEoanthidiumEpanthidiumEuaspisGnathanthidiumHoplostelisHypanthidioidesHypanthidiumIcteranthidiumIndanthidiumLarinostelisNeanthidiumNotanthidiumPachyanthidiumParanthidiumPlesianthidiumPseudoanthidiumRhodanthidiumSerapistaStelis Panzer and related genera (stelidine bees) are cleptoparasites on other Megachilidae. Subgenus Heterostelis is parasitic on Trachusa.TrachusaTrachusoidesXenostelisTribe DioxyiniAglaoapisAllodioxysDioxys is a brood parasites of Megachile, Anthidium and Osmia.EnslinianaEudioxysMetadioxysParadioxysProdioxysTribe MegachiliniCoelioxys is a brood parasites of Megachile. Females have a pointed conic abdominal apex (tip); males have several spikes on their apex.MegachileRadoszkowskianaIncertae SedisNeochalicodomaStellenigris
