ORDER V. The HYMENOPTERA, have the same characters with the former, only the anus is armed with a sting. But this mark is peculiar to the females and neuters; for the males have no sting.—This order comprehends 15 genera, viz. Cynips, Tentredo, Sirex, Ichneumon, Sphex, Scolia, Thynnus, Leucospis, Tipula, Chalcis, Chrysis, Veipa, Apis, Formica, Mutilla.