Bui. 32, New Series, Div. of Entomology, U. S. Dept. of Agriculture. 



PLATE VI. 



WORK OF THE ROCK PINE-WOOD ENGRAVER (PITYOQENES CARINICEPS LEG.). GALLERIES 

 IN INNER BARK AND SURFACE OF WOOD. ABOUT ONE-THIRD NATURAL SIZE. (ORIGI- 

 NAL.) 



