Methods for hatching the eggs, rearing the larvae, and maintaining the adults were developed which permitted carrying a cage colony of this species through seven successive generations. Males sought out females not in flight and mated with them even in very close confinement. Eggs require 6 to 7 days for incubation at 25°, and hatch readily in media that reduced the level of dissolved oxygen; in practice, cultures of wild bacteria growing in nutrient broth effectively hatched a high percentage of eggs. Larvae mature in about 5 days, and completion of an entire generation within 26 days was possible. First-instar larvae are filter-feeders, the later instars are predaceous and could be fed on other mosquitoes, on other small arthropods, and in some cases on brine shrimp. Adults are relatively short-lived, the males living up to 1 week, females normally about 3 weeks but sometimes as long as 5 weeks. Females generally laid from 70 to 100 eggs each, but an occasional female deposited 250 eggs or more.