The insecticidal action of the new compound ethofenprox (trebon) in the form of 10 and 30% flow concentrate against house flies, cockroaches, bed bugs, rat fleas, mosquito imagines and larvae of Aedes and Culex genera was studied in the laboratory and in the field. The effective doses and the methods of spraying were established. 10% flow trebon is allowed by the USSR Ministry of Health to be useful in medical disinfection.

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