THE CANADIAN ENTOMOLOGIST. 173 



The arrangement proposed is as follows : — 



Tribe Chiropachides Thomson: 



TABLE OF GENERA. 



Posterior tibiae with one spur 3 



Posterior tibia? with two spurs. 



Eyes not hairy 2 



Eyes hairy. 



Abdomen sessile, long pointed ovate, marginal and postmarginal veins * 

 somewhat thick, the latter being longer than the marginal ; stigmal 

 vein short, one-third the length of the marginal ; sculpture coarsely 

 pitted G. 1, Dasyglenes n. g. 



2. Collar transverse quadrate, separated from the mesothorax by a deep 



incision at the posterior angle ; pedicel of antennae lengthened, 

 funiclar joints much broader than long, the club obliquely truncate 

 from below G. 2, Schizo?iotus Ratzburg 



Collar not so formed. 



Collar transverse, rounded before, narrowed in the middle. 



Anterior femora exciso-dentate ; wings with two transverse bands 



G. J, Chiropachys Westwood. 



Anterior femora simple ; wings with one transverse band 



G. 4, Acrocormus Forster. 



3. Abdomen petiolated 6 



Abdomen sessile, long or pointed ovate. 



Marginal vein of anterior wings not thickened 5 



Marginal vein of anterior wings thickened. 



Antennae with transverse ring-joints 4 



Antennae with ring-joints large not transverse. 



Marginal vein but slightly longer than the stigmal 



G. 5, Pandelus Forster. 



4. Stigmal vein and postmarginal vein short . . . . G. 6, Metacolus Forster 

 Stigmal vein longer than the marginal ; % with the antennal joint stylate 



at the apex G 7, Raphitelus Walker. 



5. Parapsides only indicated anteriorly ; anterior margin of collar sharp. 



Stigmal club very large G. 8, Dijwtus Forster. 



Stigmal club small or moderate. 



