580 



FAMILY IV. SCOLYTIDJE. 



a. 



Sternum 



Exocoxal piece 



Epimerum 



'~Sternellar area 



~ 'Coxa 



- Sternum 



- -Episternum 



- 'Median line 

 Sterndlar piece 



_-Coxa 



Epimerum 



' Intercoxal process 

 ~ 2d suture 

 Ste 



~3d 



Fig. 135. Ventral view of Dcndi octonns, showing names of various parts. 



(After Hof)kins.) 



