CO THE CANADIAN ENTOMOLOGIST. 



THE COLEOPFERA OF CANADA. 



UV H. F. WtCKIIAM, IOWA CITY, IOWA. 



XXI. The Chrysomelid/E of Ontario and Quebec — ( Co?icluded ). 



Tribe X.— Hispini. 

 The form alone of these little beetles is amply sufficient for their 

 separation from the other tribes of Chrysomelidae. They are more or less 

 wedge-shaped, the elytra often broadly and squarely truncate behind and 

 with rows of deep punctures, sometimes costate as well. Only two of the 

 North America genera have been recorded from our territory, Microrho- 

 pala, with 8-jointed antenna; (owing to the fact that the last four joints are 

 closely connate), and Odo7itota, in which the antennse are ii-jointed. The 

 middle tibiae are straight in both of these genera. 



MiCRORHOPALA, Chcvr. 



A. Elytra with only eight series of punctures. 



b. Head usually red, thorax red, elytra blue-black with side margin 



and discal vitta red. .21-. 25 in vittata, Fabr. 



bb. Head, thorax and elytra unicolorous (bluish, greenish or bronzed). 

 Punctures of the outer rows of elytra larger than inner. .20 



in excavata, Newm. 



Punctures of outer rows like those of the inner. .2 2-. 2 5 



in cyajiea, Say. 



AA. Elytra with more than eight series of punctures on a part of their 

 length, the fourth interval bearing four rows near the apex. 

 Form more elongate. . 12 in porcata, Mels. 



Odontota, Chevr. 



A. Elytral punctures in ten rows ; more or less distinctly 

 costate. 

 Elytra reddish or yellowish, with black sutural stripe. 



.24-. 26 in (fig. 10) dorsaiis, Thunb. 



Elytra blackish, humeri sometimes reddish. >^1MI! 



Body beneath black, thorax in part and humeri of |i§BfM 



elytra red. .2 2-. 28 in scapularis, Oiiv. fii;^[|j 



Body beneath and thorax red, elytra black. .24 ^^^ 



in Incolor, Oliv. Fig. 10. 



Elytra rosy or reddish yellowish, much broader at apex, and with 

 serrate, explanate margin, the disc indistinctly marked with 



