Saratoga spittlebug
Wilson, L.F.
Saratoga spittlebug - Washington 1971 - 1-6 p. - United States Department of Agriculture, Forest Service. Forest Pest Leaflet No. 3 .
Saratoga spittlebug - Washington 1971 - 1-6 p. - United States Department of Agriculture, Forest Service. Forest Pest Leaflet No. 3 .