Western tent caterpillar
Stelzer, M.J.
Western tent caterpillar - Washington 1971 - 1-5 p. - Caterpillar United States Department of Agriculture, Forest Service. Forest Pest Leaflet No. 119 .
Western tent caterpillar - Washington 1971 - 1-5 p. - Caterpillar United States Department of Agriculture, Forest Service. Forest Pest Leaflet No. 119 .