Abstract
Small, compact spraying equipment was developed for applying low-volume and conventional insecticidal sprays by using carbon dioxide (CO2) as the propellent against larvae of Musca domestica L. Field tests were made with various formulations and concentrations of 6 insecticides. With conventional sprays applied at 2 g/m2, CIBA C-9491 ( O -(2,5-dichloro-4-iodophenyl) O,O -dimethyl phosphorothioate) wettable powder suspension, emulsions of dimethoate-dichlorvos mixture, and Monsanto CP-51543 (1,1-dichloro-2,2-bis ( p -ethoxyphenyl) cyclopropane) were the most effective; control lasted 11 days. Low-volume sprays of dimethoate and formothion at 2 or 4 g/m2 controlled the larvae 7 days.
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