THE CANADIAN ENTOMOLOGIST. 203 



11. Elytra without lateral carina, usually with transverse angulated 



markings Lepturges. 



Elytra with lateral carina and marked with numerous small black 

 spots Hyperplatys. 



12. Body above pubescent, without intermixed erect hairs ; antenna with 



at least joints 3-4 densely fringeci with hairs \)Q.x\t2i\\\..Acanthocinus. 

 Body above with erect hairs mixed with the pubescence 13. 



13. Mesosternum broad, antennte not much longer than the body and 



not ciliate beneath except feebly on the scape Graphisiirus. 



Mesosternum narrow, antennae of male twice as long as the body, 

 ciliate beneath Ceratographis. 



14. Antennjfi very elongate, prothorax cylindrical, slightly tubularly 



narrowed behind (in our species) without lateral armature or dorsal 



tubercles. Colour black Dorcaschema. 



Antennae not more than moderately elongate 15. 



15. Claws (at least on front tarsi) divaricate j /. ^., extending in a plane 



at right angles to the length of last tarsal joint 17. 



Claws divergent ; /. <?., not in plane as described above, but forming 

 an angle 16. 



16. Rather large species, prothorax sinuate or feebly tuberculate on 



sides, front of head large, flat. Shape Saperda-\\}f^t. Claws 



simple Oncideres. 



Rather small species. Black, front of head in part and sides of 

 prothorax yellow, claws cleft Amphionycha. 



17. Claws simple (except outer one of front and middle tarsi in some 



male Saperda) 18. 



Claws cleft or appendiculate 22. 



18. Smaller species, prothorax spinose or tuberculate on sides 19. 



Larger species, prothorax never armed nor tuberculate .... Saperda. 



19. Thighs clavate, vertex concave, antennal tubercles prominent. . . .20. 

 Thighs not clavate, vertex flat or convex, antennal tubercles not 



prominent. Eyes coarsely granulated, lower lobe as wide as long, 

 body with flying hairs, antennai pilose, joints 5-10 shorter, 

 equal Eupogo?iius. 



20. Lower lobe of eyes elongate. Lateral spines of prothorax large, 



median. Pubescence mottled, gray and black, mixed with short, 



scattered hairs on elytra Hoplosia. 



Lower lobe of eyes subquadrate or subtriangular 21. 



