Notes on five North American buffalo gnats of the genus simulium
Jobbins-Pomeroy, A.W.
Notes on five North American buffalo gnats of the genus simulium - Washington 1916 - 1-48 p. - United States Department of Agriculture. Bulletin No. 329 .
Notes on five North American buffalo gnats of the genus simulium - Washington 1916 - 1-48 p. - United States Department of Agriculture. Bulletin No. 329 .