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 yellow. 
Mesonotal prcxscutum grayish brown, the area before the pseudo- 
sutural foveae 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 are quite obliterated; extreme lateral margin of 
the sclerite grayish; pseudosutural foveae 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, witl> a distinct median yellow vitta. 
Pleura yellow, with blue-gray blotches. Halteres rather short, 
yellowish brown, the knobs dark brown. Legs having the coxae 
yellowish with a gray bloom; trochanters and femora dull yellow, 
the latter passing into brown on the terminal half; tibiae dull yellow- 
ish brown, darker apically; tarsi dark brown. Wings grayish sub- 
hyaline, the costal region a little more yellowish, stigma pale 
brown. 
Abdominal tergites dark yellow, with a very 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 Calvert 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, &, Liberty, Texas; March 18, 1908 (E. 5 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. 
