134 THE CANADIAN ENTOMOLOGIST. 



SO coarse anteriorly, lateral areas finely punctured ; scutellum elevated, 

 rugose, posteriorly a narrow, smooth shining border ; truncation of meta- 

 thorax rounded by a strong salient rim, elevated at centre dorsally, surface 

 of truncature coarsely punctured ; base of metathorax with a few strong 

 longitudinal rugae and a median longitudinal carina joining the median 

 elevation of salient rim ; abdomen somewhat reddish toward base, rugose 

 with coarse punctures, the intervening elevations forming longitudinal lines, 

 especially in basal half ; apex of abdomen with two long sharp spines, 

 ovipositor hardly as long as the abdomen. 



Length, 3^ mm. 



Brownsville, Texas, Aug. 19, 1895, C. H. T. Townsend coll. 



^^.— Similar, the antennte longer, 14-jointed; no reddish on abdomen, 

 carina of antennal grooves more distinct. I,ength, 3^/^ mm. 



lirownsville, Texas, bred Sept. 20, 1906, \V. D. Pierce. 



Type number 10041, U. S. Nat. iMus. 



Urosigalphiis Schwarzi, n. sp.— 9 • Black, shining, legs red, the 

 hind tibiae and tarsi reddish-fuscous, head and thorax covered with 

 abundant short white pubescence; face finely, rather closely punctured ; 

 antennnedark, 14-jointed, obscurely reddish, reaching to base of metithorax; 

 antennal grooves deep, reaching to posterior ocelli ; a narrow shallow 

 depression from centre of front to insertion of antennae, broadening 

 upwardly, the edges of upper part subcarinate ; above insertion of 

 antenme these carinsy become the carina; of the inner edges of antennal 

 grooves ; niesothorax except lateral areas coarsely rugosopunctate; lateral 

 areas medially smooth, very shiny, finely sparsely punctured, scutellum 

 elevated, postscutellum with a small median V-shaped elevation, ilie point 

 caudad ; truncation of metathorax coarsely punctured, the surrounding 

 carina' elevated at dorsal centre ; wings slightly dusky, costa and stigma 

 very dark, rest of nervures brown ; radius obsolete beyond basal third of 

 marginal cell; abdomen coarsely, closely punctured, basally the intervening 

 surface forming distinct longitudinal ridges, apex of abdomen with two 

 short blunt spines ; ovipositor about as long as abdomen. Length, 3 mm. 



^ . — Similar to ? except in sexual characters ; antennae reaching 

 onc'third of distance to tip of abdomen, 14 jointed. Length, 3 mm. 



Five females, one male, Cacao, Trece Aguas, Alta Vera Paz, 

 Guatemala, E. A. Schwarz and H. .S. Barber coll. 



Type number 10042, U. S. Nat. Mus. 



