Studies in north american cleorini
McDunnough, J.H.
Studies in north american cleorini - Ottawa 1920 - 1-64 p. - Dominion of Canada Department of Agricultural Entomological Branch. Bulletin No. 18 .
Studies in north american cleorini - Ottawa 1920 - 1-64 p. - Dominion of Canada Department of Agricultural Entomological Branch. Bulletin No. 18 .