14 
15 
16 
17 
18 
eee 
Ips (Tomicus) pini Say, distal portion of maxilla. (Greatly 
enlarged ) 
Xyleborus undes. sp., a, distal portion of maxilla. (Greatly enlarged) 
Ips pini Say 
, antenna (outer face). (Greatly enlarged) 
Xyleborus undes. sp. a, ventral view of prosternum. (Enlarged) 
Ditayaorcoreitiess 
Ant., antenna 
prosternum. 
autographus Ratz., ventral view of prosternum; 
(outer face) Gs, gulan Sutines Gs torecoxadaease 
(Enlarged) 
