34 THE CANADIAN ENTOMOLOGIST. 



basis, being found commonly on flowers or herbage. We have taken 

 trichrus on convolvukis, pentisylvanica on golden-rod, ferruginea on 

 Helianthus, and vittata on various low plants along river banks. 

 Elytra yellowish with two black stripes. .50-80 in...viifafa,Fa.h. (Fig. 3). 

 Elytra unicolorous, never striped. 



Antennae scarcely tapering to tip, joints nearly cylin- 

 drical. 



Colour usually black ; head in great part red ; 

 varies occasionally in being entirely covered 

 with cinereous pubescence ; thorax longer than 

 wide, more densely punctured than the head. 



.30-.50 in trichrus, Pall. 



Colour ferruginous or cinereous, owing to the dense pubes- 

 cence ; thorax not longer than wide, not differently punctured 

 from the head ; antennse short. .12-36 in. .ferruginea, Say. 

 Antennae tapering at tip, joints looser and more constricted or 

 narrowed at base. 



Black, coarsely pubescent ; head and thorax similar in punc- 

 tuation. .28-. 50 in penfisylvanica, DeG. 



PoMPHOPCEA, Lee. 



P. Sayi, Lee, has been reported from the Sudbury district. It is a 



greenish insect, .60-. 70 in. long, with short antennae which enlarge 



towards the tip. The legs are reddish-yellow ; the knees, tips of tibiae 



and tarsi, dark. 



Cantharis, Linn. 



Two very fine metallic green or bronzed species belong here. They 

 separate best by the use of secondary sexual characters, as made known 

 by Dr. Horn, thus : — 

 Fifth abdominal segment of ^ with a broad emargination, which is 



bisinuate at bottom ; lateral lobes rather prominent. Female with 



hind trochanter subangulate. .64-1.10 in Nuttalli, Say. 



Fifth abdominal segment of $ with an acute notch at middle, the lateral 



lobes broadly rounded. Hind trochanters of ? not subangulate. 



. 50-. 70 in cyanipennis, Lee. 



In both of the above species the hind trochanters of the male are 

 armed with a spine at middle, and by this character they may be separ- 

 ated from C. viridana, Lee, which occurs in the Northwest Territory. 

 The males here have the hind trochanters unarmed. 





