Abstract
Abstract In preliminary field tests in woodlands swamps of southern Morava, CSSR, it was found that Abate 500E at the rate 0.1 g/m2 of water surfaces killed Aedes vexans, A. cinereus and A. sticticus larvae 3 instar during 24 hours, but in other case at the rate 0.05 g/m2 of water surfaces killed not the A. vexans pupae. In southern Morava, CSSR a new larvicide, Abate* was tested for Aedes larvae and pupae control in the field. Abate (0,0,01,01 -tetramethyl 0,01 -thiodi-p-phenylene phosphorothioate) is an organophosphate insecticide that has been highly effective when tested against many different species of mosquito larvae. It is of very low toxicity to man and presents a minimum hazard in control. A well timed application of Abate will control the mosquito larva before it can develop into a pupa. Barnes and Webb (1968) applied one briquette of 0.58 g or 0.78 g/10 cu. ft. water in woodland pools, against Aedes canadensis (Thio.). A. cantator (Coq.). A. vexans (Mg.) and Culex restuans Theo. Early spring t...
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