article

scientific article published in 1935

scientific article published in 1939

article published in 1930

scientific article published in 1919

article by R. A. Cushman published 1922 in Proceedings of the United States National Museum

scientific article published in 1921

scientific article published in 1922

scientific article published in 1920

scientific article published in 1936

scientific article published in 1925

scientific article published in 1944

Washington, D.C.: U.S. Dept. of Agriculture, 1916.

scientific article published in 1937

Washington, D.C.: U.S. Dept. of Agriculture, Bureau of Entomology, 1912.

Washington,Govt. print. off.,1912. | Library of Congress

scientific article published in 1929

scientific article published in 1931