The Protective Value of Asphalt Laminated Paper against Certain Insects

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Abstract
Asphalt laminated papers are being used to protect packages of food and other materials from moisture, weather, fungi, and insect pests. One of these papers sealed with an asphalt-glue adhesive was tested against 8 widespread household pests: 4 spp. of roaches, Periplaneta americana, P. australasiae, Blatella germanica, and Supella supellectilium; 3 spp. of thysanurans, Lepisma saccharina, Ctenolepisme quadriseriata, and Thermobia domestica; and a termite, Reticulitermes flavipes. The treated paper offered slight resistance to the termites, but considerable protection against the other spp. The firebrat fed on the wrapping paper and in time might penetrate the protective layers of treated paper. The fungicide, Dowicide G, in the asphalt-glue adhesive was not effective in protecting the adhesive or paper against Chaetomium globosum, a common parasitic fungus on paper.

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