NORTH AMERICAN COLEOrTERA. 217 



two very distinct species, the description, liowevei-, luiving been taken 

 from the form now nnder consideration, one of his types h(.'iiig now 

 before me. 



Occnrs in Montana and Kansas. 



M. pai'alleliiiii n. sp. — Elongate, iiarallel, sliglitly depressed, very like a 

 PhyUobrotica in fonii, piceous black, shining; legs, ei)ipleurse, base of antennse 

 and front yellow. Head between the eyes yellow, surface sparsely punctate, 

 frontal impression well marked, clypeus piceous, slightly concave transversely, 

 coarsely punctate or wrinkled. Thorax about one-fourth wider than long, 

 scarcely narrower in front, angles very little prominent, sides arcuate, the mar- 

 gin extremely narrow, disc convex, very sparsely finely punctate. Elytra par- 

 allel sided, narrowed only near the apex, striato-punctate, striae all more or less 

 irregular, those beyond the third very much so, the punctures but little finer 

 near the apex. Body beneath smooth and shining, abdomen sparsely finely 

 punctate and sliglitlj^ transversely wrinkled. Length .20 inch.; 5 mm. 



The males have the abdomen distinctly flattened, and witli a small 

 tooth-like process at the middle of the posterior edge of the first 

 ventral segment. 



This species varies in color by having the elytral suture and the 

 side margin very narrowly testaceous. The thorax may be reddish, 

 or more or less suffused with piceous. 



In the I'emarks under angustidupi mention is made of two species 

 having been mixed. This is the one including the last two varieties 

 mentioned by Crotch. It differs from that species especially in the 

 more elongate and depressed form, the confusion of nearly all the 

 strije, although the first three may be called fairly regular, and in the 

 general color of the surface. 



Occurs in Montana. 



yi. Isevicolle Crotch, Proc. Acad. 1873, p. 43.— Entirely yellowish testa- 

 ceous, form very Hke T. canellas. Head smooth, a few scattered fine punctures 

 on the occiput, clypeo-frontai suture entirely obliterated. Thorax one-fourth 

 wider than long, slightly narrowed in front, sides strongly arcuate, angles slightly 

 prominent, disc convex, absolutely smooth. Elytra obsoletely striato-punctate 

 near the base only, absolutely smooth at sides and apex. Body beneath smooth 

 and shining, abdomen sparsely punctate. Length .13 inch.; 3. ,5 mm. 



As remarked by Crotch this species resembles poJUdiim, but is 

 rather more robust in form, the elytral punctuation fainter, the head 

 smooth without trace of impressed frontal suture. 



Occurs in North Carolina i Zimniermann) and Coney Island, N. 

 Y. (Linell). 



.>!. Iiiridiiin Oliv., Ent. vi, p. 892, pi. 2, fig. 29: vicinum Crotch, Proc. Acad. 

 1873. J). 43.— Oval, depressed, head and thorax piceo-testaceous, elytra rufo- 



TKANS. AM. ENT. SOC. XIX. (28) JULY, 1892. 



