Tech. Senas 20, Part I, Bureau of Entomology, U. S. Oept. of Agriculture. 



Plate X. 



Forks of Male Genitalia of Pissodes. 



^%:^-—^-^'t<-''^(>i^>'-<- Fig. ^i.— p. engelmanni. Fig. li.— P. strobi. Fig. 7. ~P. approximatus. 

 Hg. 8.—P.schivarzi. Fig. 9.— P. canademis. Fig. 10.— P. ncmorensis. Fig. 15.— P. radiatse. 

 Fig. lb.— P. fasaatus. Fig. 29.— P. affinis. Fig. 30.— P. cwrnd. (Original.) 



