Replicated field test were conducted with 4 chemicals at various rates of application to control Aedes taeniorhynchus larvae in temporary pools of water in depressions within diked dredge spoil disposal areas. Lowest rates of application which were effective for complete control were: diflubenzuron (Dimilin) 0.01 Ib AI/acre (11g/ha.); methoprene (Altosid SR-10), 0.04Ib AI/Acre (45 g/ha); Flit MLO, 4 gal/acre (15.6 liters/h). Applications of controlled release pellets of chlorpyrifos (Dursban 10CR) at the recommended rate (1 oz pellets/850 ft 2/1 in. water depth) gave complete control at 2 days posttreatment.