THE CANADIAN ENTOMOLOGIST. 105 



NOTES ON NORTH AMERICAN TACHINID^, WITH DE- 

 SCRIPTIONS OF NEW GENERA AND SPECIES.— Paper VI.* 



BY C. H. TYLER TOWNSEND, LAS CRUCES, NEW MEXICO. 



This paper contains descriptions entirely of Southern New Mexican 

 forms, with the exception of two from the State of Chihuahua, Mexico. 



Sarcomacronychia sarcophagoides, n. sp. $ . 



Eyes brown ; frontal vitta narrow, blackish, front one-fourth width of 

 head ; sides of front, face and cheeks silvery-white ; the double rows of 

 frontal bristles nearly equal ; vibrissa3 distinct, short, decussate, inserted 

 well above oral margin ; antennae and arista blackish, second antennal 

 joint slightly rufous at ends, third one and a-half times as long as second ; 

 proboscis black, labella brown ; palpi slender, brown ; occiput cinereous, 

 short black-bristly. Thorax, scutellum and abdomen cinereous, more or 

 less faintly brassy, with three blackish vittae, the middle one continued 

 over scutellum and abdomen, the lateral ones more or less distinct on sides 

 of scutellum and more broadly and irregularly continued on sides of 

 abdomen to anal segment, the abdomen more distinctly brassy or golden, 

 anal segment wholly rufous, deep golden poUinose at base, hind margin of 

 third rufous ; humeri and pleurie silvery-whitish ; second segment with a 

 pair of median marginal macrochaetas, third with a marginal row of 

 twelve or more, anal with about four marginal. Legs black, femora 

 silvery on outside, claws and pulvilli a little elongate, pulvilli whitish. 

 Wings hyaline, veins more or less brownish, teguUie white; halteres 

 rufous, knobs yellowish. 



Length of body, 73^ mm.; of wing, 5 mm. 



Described from one specimen ; Las Cruces, New Mexico. June 9. 

 This species bears a striking superficial resemblance to one of the smaller 

 Sa rcoph agidce. 



Brachyconia chihua/mensis, n. sp. S  



Eyes brown ; frontal vitta dark brown ; front about one-third width 

 of head, frontal bristles in a single row descending to base of third 



* Paper I. was published in Proc. Ent. Soc, Wash., II.; papers II. and III. in 

 Trans. Am. Ent. Soc, XVIH. and XIX.; paper IV. in Ent. News, III.; paper V. in 

 Can. Ent., XXIV, 



