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



Plate XXII. 



Distribution Maps of Pissodes. 



Pig. 25.— P. burkei. Fig. 26.— P. piperi. Fig. 27.— P. dubius. Fig. 28.— P. fraseri. Fig. 29.— P. affinis. 



Fig. 30.— P. curriei. 



