Many species of Culicidae are of major medical, veterinary, and economic importance. Tofacilitate discussion among taxonomists, medical entomologists, ecologists, and vector control specialists, it isessential that culicidologists be able to readily recognize individual genera. Adult female mosquiioes, the stagemost often encountered in surveys, should be identifiable to genus without dissection with the aid of a goodqualitydissecting microscope. Female adult specimens of Ochlerotatus and Aedes as defined...