Black fly of citrus and other subtropical plants
Dietz, Harry F.
Black fly of citrus and other subtropical plants - Washington 1920 - 1-55 - Tropical, Plant United States Department of Agriculture. Bulletin No. 885 .
Black fly of citrus and other subtropical plants - Washington 1920 - 1-55 - Tropical, Plant United States Department of Agriculture. Bulletin No. 885 .