Large aspen tortrix
Beckwith, R.C.
Large aspen tortrix - Washington 1973 - 1-5 p. - United States Department of Agriculture, Forest Service. Forest Pest Leaflet No. 139 .
Large aspen tortrix - Washington 1973 - 1-5 p. - United States Department of Agriculture, Forest Service. Forest Pest Leaflet No. 139 .