THE SCOLYTID BEETLES. 



if J 



**+* 





XJoS° l 



.-Post 



sterne 



Hum 



^~" ~1- Episternuwi 



7_ _ _ Exocoxal piece 



Epimervm 



Sternellar area 

 Coxa 



Sternum 



- Episternum 



-jff ec li an n ne 

 Sternellar piece 



—■--Coxa 

 Epimerum 



Int 



er coxal process 



2d suture 

 ~~~~Sternite3 



■3d 



sut u 



re 



' er nit e 



4 





Fig. 2.— The red turpentine beetle. Adult, ventral aspect, greatly enlarged: a, Sternellar area. (Author's 



illustration.) 



