l-t THE CANADIAN ENTOMOLOGIST. 



Hab. — Pecos, New Mexico, July 14, 1903. {W. P. Cockerel/.) It 

 occurs in numbers at flowers of Clematis ligustici/olia, but has been seen 

 on no other plant. 



Try petes carinattim (Cresson). 



Prof. C. H. T. Townsendhas taken this at Tlacotalpam in Vera Cruz, 

 Mexico, April 21. I cannot see any difference between the specimen and 

 those found in the United States. The genus is new to Mexico. 



Colletes Wilt/iattce, n. sp. 



9 . — Length 10 mm.; almost entirely covered with short pale yellow 

 pubescence ; legs red. Palpi ferruginous, with subequal joints, the basal 

 ones a little the longer ; malar space very short, at least twice as broad as 

 loniT ; mandibles black, with a faint red stain in the middle ; labrum 

 convex, shining, with a row of shallow pits; clypeus confluendy punctured; 

 antennae short, black or nearly so, scape brownish, second joint very 

 distinctly brown ; prothoracic spines short ; mesothorax shining and 

 densely punctured, but the surface entirely concealed by the short hair ; 

 even the metathorax is covered with hair ; tegula; small, pale testaceous ; 

 wings very short, quite clear, the small stigma and the nervures pale 

 ferruginous ; second submarginal cell broader than high ; abdomen rather 

 parallel-sided, long, the dorsal surface entirely covered with very short 

 pubescence, except the apical segment, which is dark brown and nearly 

 bare, strongly contrasting. 



Hab.— Vccos, N. M., Aug. 9, 1903. {T. D. A. &- IV. P. Cockerell.) 

 Flying over damp ground by the Pecos River. A very distinct and 

 beautiful species. The character of the pubescence allies it with C 

 aberraiis, Ckll., while the red legs and some other characters curiously 

 suggest the Brazilian C. rufipes, Smith, The insect also reminds one of 

 Dasiapis ochracea, Ckll. 



NOTES ON Nt)RTH AMERICAN STRATIOMYID^. 



BY A. L. MELANDER, CHICAGO. 



While arranging the flies of this family contained in the Garry de N. 

 Hough collection of the University of Chicago, together with my own 

 material, a number of notes have been made, which are here given. This 

 family, like a number of other dipterous groups, needs monographic 

 study owing to the confused and scattered descriptions of most of the 

 forms. Of recent years the number of genera has been multiplied, 



