Tech. Series 20, Part I, Bureau of Entomology, U. S. Dept. of Agriculture. 



Plate XI. 



30 



Stems of Male Genitalia of Pissodes. 



Fig. 4.— p. sitchcnsis. Fig. 5.— P. cngclmanni. Fig. C,.~P. strohi. Fig. 'J.—P. approii- 

 matus. ¥ig.9.— P. canadensis. Fig.lO.— P. ncmoremis. Fig. 15.— P. radiata-. Fig. 16.— 

 . P.fasciatus. F\g. if^.—P. affinis. Fig. -JiO.—P. curriei. (Original.) 



57936°— 11 7 



