THE CANADIAN ENTOMOLOGIST. 2:^5 



dark brown band. The remainder of the front, comprising the fourth area, 

 is yellowish white devoid of markings. 



Clypeui uniformly black, with the median carina distinct; the black 

 colour extending in a band across the anterior coxîb as is typical of the genus. 



Second segment of the antennae about one-fourth as long again as the 

 basal segment ; basal segment and basal half of the second segment 

 yellowish white ; distal half of the second segment deep brown. 



Pjothorax shorter than head, caudal edge concave ; the carinae 

 distinct ; a fovea on each side of the median carina, midway to the lateral 

 carinœ and slightly nearer the cephalic than the caudal margin ; colour 

 yellowish white, with varied dark brown spots and blotches on the caudal 

 margin ; legs yellowish, with a brown band across the proximal portion of 

 the tibiae. 



Scutellum triangular, sides very distinctly arcuate, carinas distinct, the 

 lateral carinae extending to the caudal margin ; a brownish fovea on each 

 side of each lateral carina, about midway between tiie cephalic and caudal 

 margins ; colour yellowish brown. 



Elytra short, extending slightly beyond the middle of the second 

 abdominal segment, coriaceous, polished, veins indistinct ; colour greyish 

 white, irregularly spotted with brown. 



First, second and third abdominal segments with the dorsum yellow- 

 ish brown, with a few brown dots ; fourth, fifth and sixth segments with 

 their median portions yellowish brown and their lateral portions deep brown. 



Genitalia reddibhbrown, pygofers tapering to a blunt point, plates 

 extending about one-third the length of the pygofers, light yellow,. tip of 

 the ovipositor much lighter brown, style yellow. Length, 3 25 mm. 



Brachypterous ^. — Smaller; form and markings about as in female, 

 with not quite so much brow^n. 



Genitalia, opening of the pygofers rather narrow, oval ; superior wall 

 of the anal tube prolonged into two incurving tusks, the points of which 

 rest upon two large pointed projections extending inward from the inferior 

 wall of the pygofers ; colour yellow, except the ends of the tusks and the 

 points of the projections, which are reddish brown. Length, 2.5 mm. 



This species was taken quite abundantly on a species of Coinposiîœ 

 by the author at Corpus Christi, Texas. Types, taken May 19, 1907, in 

 the authoi's collection. 



Pissofiotus variegatus, n. sp. 

 Macropterous Ç . — Form and size of P. pallipcs. Head rounded in 



