200 MISC. PUBLICATION 657, U. S. DEPT. OF AGRICULTURE 
G 
Figure 41.—Adult beetles: A, Magdalis armicollis (Say) ; B, Xylobiops basilaris ; 
C, Cryptorhynchus lapathi (.) ;D, Tomoxia bidentata Say; H, Synchroa punc- 
tata Newmn.; Ff, Lyctus planicollis Lee.; G, Chariessa pilosa. 
beetle is an important predator on roundheaded and flatheaded wood | 
borers in hardwoods in the Eastern States. The larvae tunnel behind | 
the borers and overtake and devour them, and when full grown, form | 
papa cells of whitish exuded material, often in the pupal cells of the 
10St. 
