60S 



U. S. NATIONAL MUSEUM BULLETIN 216 



Figure 312. — Left front legs, species of Scambus, c?: 



a, canadensis 



b, tenebrosus 



c, dioryctriae 



d, aplopappi 



e, transgressus 



f, tecumseh 



g, nucum 

 h, hispae 



i, nigrifrons 

 j, decorus 

 k, hirticauda 



