Candidate Pesticides for Quarantine Use, 1978

Abstract

Abstract Colony reared species were caged and exposed to pesticidal formulations in transport trailers (ca 71 m3 volume) in Miami, Florida. Tobacco budworm adults were caged in 1 -gal paper tubs, adult boll weevils in 1/2 pint paper cans, adult house flies and mosquitoes, and adult and nymphal cockroaches in plastic “squat” cups, and adult ticks in 1 oz plastic cups. All containers were covered with 6x7 mesh/cm nylon screen. Dusts were formulated with HiSil 233 as the carrier and introduced into trailers by propelling with CO2 through an open rear door. EC’s were diluted with the amount of water necessary to give a treatment time of 1 min and introduced from an open rear door also. Two types of applicators were used for the EC’s, a Micro-Gen/Bolt Model E10 110 VAC powered unit from Micro-Gen Equipment Corp., 8127 Vidor Drive, San Antonio, TX 78216, and a spinning disk, battery-powered unit from Micron West, Inc., 8582 Katy Freeway, Houston, TX 77024, Aerosols were released from within closed trailers, either from the center of the trailer in the case of the total release aerosol or by an individual walking the length of the trailer and spraying for the required length of time to obtain desired dosage. The exposure period was 10 min with doors closed and 20 min with doors open. Mortality counts were made at 24 hr. Average temperature at treatment was 23°C. Tests were replicated at least twice, and Abbott’s formula was used to adjust for control mortality when necessary.