76 



THE SCOLYTID BEETLES. 



P'lQ. 37.— The larger Mexican pine beetle Fig. 38. — The larger Mexican pine beetle: Sec- 



{Dendroctonus parallelocoUis): Adult. tion ol egg gallery. Reduced. (Author's ill. 1 



Greatly enlarged. (Author's ill.) 



'-T^ 



Fig. 39.— The larger Mexican pine beetle: Distribution map. (Author's illustration.) 



