fj^ Canatlinii Sntoinolo^bt. 



Vol, XXVIII. LONDON, JULY, 1896. No. 7. 



THE COLEOPTERA OF CANADA. 



BY H. F. WICKHAM, IOWA CITY, IOWA. 



XVn. The Chrysomelip^ of Ontario and Quebec — (Continued). 



Tribe VIL — Eumolpini. 

 A large group, containing numerous genera and species ; the North 

 American forms have been recently studied by Dr. Horn, and the follow- 

 ing generic table is a condensation, with a few modifications, of the one 

 given by him. 

 A. Anterior margin of prothorax beneath arcuate, forming post-ocular 

 lobes, 

 b. Body above pubescent or scaly. 



Thorax without distinct lateral margin Adoxus. 



Thorax with distinct lateral margin, size rather large. Glyptoscelis. 

 bb. Body above glabrous. 



c. Small species (not above .16 in.) Typophoriis. 



cc. Larger (above .20 in.) 



Claws simply divergent, legs dark Chrysochus. 



Claws divaricate, legs testaceous Tymnes. 



AA. Anterior margin of prothorax beneath straight. 

 d. Thorax without distinct lateral margin. 



Not metallic above ; thorax transverse, third antennal joint not 



longer than the second Xanthoma. 



Metallic green above Graphops. 



dd. Thorax margined. 



e. Head with distinct supra-orbital grooves, middle and hind tibiie 



emarginate near the apex Metachroma. 



ee. Head without supra-orbital grooves. 



f. Lateral margin of prothorax irregular or undulating. 



Presternum narrow, contracted between the coxdi. Co/asp is. 



Prosternum wide, sides nearly parallel Rhabdopterus. 



ff. Lateral margin of prothorax regular and entire ; third joint 

 of antennae distinctly longer than the second, the outer five 

 joints not abruptly wider Nodonota. 



