294 THE CANADIAN ENTOMOLOGIST. 



3. Cubitus in hind wings interstitial with the transverse median nervure ; 



marginal cell in front wings short, scarcely as long as the stigma, the 



second cubital cell triangular Eremiasphecium, Kohl- 



Cubitus in hind wings originating before the transverse median 

 nervure ; marginal cell in front wings not short, the second 

 cubital ceil trapezoidal Philoponus, Kohl. 



4. Abdomen lojigly petiolate, the petiole nearly of a uniform thickness 



throughout ; eyes deeply emarginate within 7. 



Abdomen not petiolate, sessile. 



Eyes deeply emarginate within ; cubitus in hind wings variable, 

 most frequently interstitial, or nearly, with the transverse median 

 nervure ; abdomen smooth, polished, or at most sparsely or 

 microscopically punctate 6. 



Eyes with only a slight indication of an emargination, or at least 

 never deeply emarginate within ; cubitus in hind wings most 

 frequently originating a little before the transverse median 

 nervure ; abdomen distinctly punctate, often strongly rugoso- 

 punctate 5. 



5. Submedian cell in front wings fully as long as the median ; third 



cubital cell, along the radius, not longer than the second ; abdomen 

 finely, closely, uniformly punctured, the segments, except the first, 



not constricted at the sutures Epiphilanthus, Ashm., n. g. 



(Type P. solivagus. Say.) 



Submedian cell in front wings a little shorter than the median ; third 



cubital cell, along the radius, longer than the second ; abdomen 



usually strongly, coarsely and irregularly punctured, the segments 



mostly distinctly constricted at the sutures. 



Clypeus margined anteriorly, with a pencil of long hairs on each 

 lateral angle ; first recurrent nervure received by the second 

 cubital cell before the middle ; first transverse cubitus strongly 

 angulated at basal third ; $ with the last joint of the antenn?e 

 much compressed, broadened. .. Pseudanthophilus, Ashm., n. g. 



(Type P. ventilabris, Fabr.) 

 Clypeus not margined anteriorly, and usually, but not always, 

 without the pencil of long hairs laterally ; first recurrent 

 nervure received by the second cubital cell at or near the 

 middle ; first transverse cubitus straight or slightly sinuate, but 

 rarely distinctly angulated ; ^ with the last joint of antennae 



normal, not compressed Anthophilus, Dahlb. 



(Type P. politus. Say.) 



