Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Blackman, M. W. 1933. Insect vectors of the Dutch elm disease. United States Department of Agriculture, Bureau of Entomology Leaflet, 24 October 1933 (mimeographed). 4 p.
This page uses cascading style sheets (CSS). It should display correctly using current versions of all major browsers.