52 THE CANADIAN ENTOMOLOGIST 



of the occiput; in some specimens the head is gray, with only the 

 centre of the vertex dark brown. 



Pronotal scutum grayish brown; scutellum clear light ^•ellow. 

 Mesonotal praescutum grayish brown, the area before the pseudo- 

 sutural fovea? paler, yellowish ; the usual lateral stripes are indistinct, 

 but margined narrowly with dark brown; of the middle stripe only 

 a single narrow dark brown line persists; the thoracic stripes in 

 some specimens arc cjuitc obliterated; extreme lateral margin of 

 the sclerite grayish; pseudosutural fovea? very large, black; scutum 

 grayish brown, the median area more yellowish, the lobes marked 

 with brown; scutellum testaceous, more yellowish on the sides; 

 postnotum lead-coloured, with a distinct median yellow \itta. 

 Pleura yellow, with blue-gray blotches. Halteres rather short, 

 yellowish brown, the knobs dark brown. Legs having the coxic 

 yellowish with a gray bloom; trochanters and femora dull yellow, 

 the latter passing into brown on the terminal half; uh'nv dull yellow- 

 ish brown, darker apically; tarsi dark brown. Wings gra>ish sub- 

 hyaline, the costal region a little more yellowish, stigma pale 

 brown. 



Abdominal tergites dark yellow, with a \cry broad median 

 brown band, the caudal margin narrowly ringed with brown; 

 ninth tergite dark brown with the caudal half yellowish; sternites 

 yellow, indistinctly and broadly suffused with brown. 



The female has the tergal valves elongate, subacute, dark 

 brown, the sternal valves shorter, more yellowish, acute. 



The paratype males from Cahert are much larger (the largest 

 measurements given above) but in all other respects are indis- 

 tinguishable from the small specimens taken at the type-locality. 



Holotype, cT, Liberty, Texas; March 18, 1908 (E. S Tucker). 



Allotype, 9 , topotypic. 



Paratypes, 4 d^'s, topotypic; 3 cf' s, Calvert, Texas; April 19, 

 (W. W. Yothers). 



The type, allotype and paratypes are in the collection of the 

 United States National Museum, additional paratypes in the 

 collection of the author. 



The specific name is that of a native Indian tribe. 



