Bui. 437, U. S. Dept. of Agriculture. 



Plate IV. 



Flat-Headed Borers. 



Fig. 2.-Trachykde lecontu: La" a A. JXg^JJ^f 'Bdextral view: C. ventral view. 

 ££ S^M^^ view: C, ventral view. 



(Drawings by Eleanor T. Armstrong.) (Original.) 



X2i. 



X3. 

 X2. 



XI*. 



