Abstract
An aqueous pressurized spray and an oil aerosol formulation of permethrin were used to treat square foot samples of woolen cloth to protect it against fabric pests. Initial protection and protection through 6 months of aging was obtained against feeding damage by larvae of the black carpet beetle, Attagenus unicolor (Brahm), the furniture carpet beetle, Anthrenus flavipes LeConte, and the webbing clothes moth, Tineola bisselliella (Hummel). Additional samples were stored in a dark closet in a room maintained at ca. 24°C for 78 months and the feeding tests were repeated. Both formulations continued to provide a high degree of protection against the above species of fabric insects. Currently, a label is pending at the Environmental Protection Agency with a 6-month claim for protection in storage when applied as directed. However, an extremely high degree of protection may be obtained for several years when treated woolens are stored in the dark.
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