Roundheaded apple-tree borer
Brooks, Fred E.
Roundheaded apple-tree borer Its life history and control - Washington 1920 - 1-41 p. - Apple, Tree United States Department of Agriculture. Bulletin No. 847 .
Roundheaded apple-tree borer Its life history and control - Washington 1920 - 1-41 p. - Apple, Tree United States Department of Agriculture. Bulletin No. 847 .