Serphoid and chalcidoid parasites of the hessian fly
Gahan, A.B.
Serphoid and chalcidoid parasites of the hessian fly - Washington 1933 - 1-148 p. - Parasites United States Department of Agriculture. Miscellaneous Publication No. 174 .
Serphoid and chalcidoid parasites of the hessian fly - Washington 1933 - 1-148 p. - Parasites United States Department of Agriculture. Miscellaneous Publication No. 174 .