Abstract
Abstract Three 1200 ft3 rooms were itilized for comparing the effectiveness of F-533 (0.04% Bay FCR 1272, 0.72% tetramethrin, 1% piperonyl butoxide, 1% MGK 264, and 10% petroleum distillates); F-534 (0.14% pyrethrins, 0.063% tetramethrin, 1% piperonyl butoxide, 0.98% MGK 264, 0.48% petroleum distillates); and F-535 (0.25% tetranethrin, 0.15% permethrin, 9.25% petroleum distillates) as indoor flying insect space sprays. Tests were conducted at 60-70° and 90-100°F against eight pedes of insects at a rate of 3.3 g of material/1000 ft3 from each aerosol container. This rate was also increased to 13 and 15 g/1000 ft3 at 60-70°F for Aedes legypti, Indianmeal moths, gnats, and house flies. Each species was placed separately in 6.5 (length) × 3.2 inch (diam) screen cages and suspended from he ceiling at a height of ca. 5 ft from the floor prior to testing. Three cages/species were exposed to each formulation. Knockdown and mortality was recorded at 0, 5, 10, and 15 min and 24 h. Rooms remained closed for the first 15 min, then opened and a cotton ball saturated with 1% sugar solution was placed on he top of each cage. Control cages (3 cages/species) were treated similarly in an untreated room.
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