76 
THE SCOLYTID BEETLES. 
Fig. 37.— The larger Mexican pine beetle 
(Dendroctonus parallelocollis) : Adult. 
Greatly enlarged. (Author's ill.) 
Fig. 38.— The larger Mexican pine beetle: Sec- 
tion of egg gallery. Reduced. (Author's ill.) 
Fig. 39.— The larger Mexican pine beetle: Distribution map. (Author's illustration.) 
