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



Plate XIX. 



Distribution Maps of Pissodes. 



Fig. \.~P. similis. Fig. 2.— P. utah'ensis. Fig. Z.—P. barberi. Fig. 4.— P. sitchensis. Fig. a.— P. engel- 

 manni. Fig. 6.— P. strobi. Fig. 7. — P. approximatus. Fig. 8. — P. schwarzi. 



57936°— 11 8 



