238 THE CANADIAN ENTOMOLOGIST. 



scutellum ; pleura of mesothorax coarsely reticulated, of metathorax 

 coarsely striated ; metathorax coarsely longitudinally striate, bordered 

 apically by a rough irregular carina ; tegulse dark, shining, with a light 

 centre and a testaceous border ; wings slightly dusky, stigma and 

 nervures brown ; legs black, the pubescence griseous, that on the inside 

 of the tarsi golden, and more or less so on the outside ; outer hind tibial 

 spur pectinate, the inner one with three teeth, the last one small ; 

 abdomen black, polished, first segment impunctate, second finely 

 punctured at base, that and the remaining segments finely transversely 

 striate on the depressed apical margins ; segments two and three with 

 slight basal lateral spots of pale pubescence ; all segments but first 

 covered with sparse pubescence, more dense apically; pubescence along 

 the anal rima slightly ochraceous ; venter black, the segments tessellate, 

 with large punctures, each bearing a hair; margins of ventral segments 

 testaceous. Length, 6 mm. 



ct . — Similar to the female in colour and sculpture, but the face more 

 brassy, the reticulations of the mesothorax finer and the punctures 

 sparser ; head much broader than in the female and the clypeus cocked- 

 hat shaped, with fine punctures ; mandibles long, slender, ferruginous 

 except the black base ; antennae long, testaceous beneath the liagellum ; 

 cheeks produced to a spine beneath ; wings and nervures darker ; legs 

 black, tarsi and base of hind tibia? testaceous ; abdomen lacking the hair 

 patches of the female. Length, 7 mm. 



One ftmale, two male specimens, Nebraska City, Nebr., Sept. 12th, 

 1 90 1, on Solidago. (M. A. Carriker, Jr., coll.) Three females, Nebraska 

 City, May 19th, 1901. 



Although the male differs so markedly from the female in having the 

 cheeks armed and in the different shape of the head (the inner orbits 

 parallel), yet they are so like in other respects that they appear to be the 

 same species. 



Types in the collection of M. A. Carriker, Jr., and University of 

 Nebraska. 



Exomalopsis Bruncri, n. sp. — $ . Black, shining ; head sparsely 

 punctured, vertex almost impunctate, clypeus with larger, sparse 

 punctures and narrowly testaceous anteriorly ; mandibles black, reddish 

 medially; antennae, the scape slightly reddish, flagellum ferruginous more 

 or less dusky above ; pubescence of face whitish, on the vertex brownish ; 

 sides of face with dense white decumbent pubescence, elsewhere the 



