208 WILLIAM J. FOX. 



ocelliited liy a l)liifk spot, a line on the i>ostseutelliim, the tibise beneatli, with five 

 pairs of spots on the ahdoiueu, yellow. The clypeus entirely black with silvery 

 pubescence, the mandibles and the i)rotliorax without spots. The mesothorax 

 with deep punctures, but little dense, the metathorax strongly rugose, alveolate. 

 Wings tolerably enfumed hyaline at the base, their tegulte brownish red. Legs 

 black, the tit)ife yellow beneath, the tarsi brownish ferruginous. Abdomen ovate, 

 strongly punctured, contracted at the sutures, the five basal segments with a yel- 

 low spot on each side near the base, these spots broad, truncate (coupees carrees) 

 at the sides of the abdomen, pointed internally, but all strongly separated, not 

 approaching on the back ; the fifth segment has also two yellow spots in the mid- 

 dle between the two spots. Anal plate short, tolerably convex, with large punc- 

 tures, its borders carinated. 



" We received this new species from Mr. Brodie, who sent it from 

 Toronto ; it is very distinct from all the others by its form and 

 punctuation." 



This cannot belong to grou})s teuiiU/lassus or largior (^ Thij- 

 reopns) as it is too coarsely sculptured. 



102. Crsibro eloiigatus Prov. 



Thi/reopiis elongtttas Provancher, Add. Hym. Quebec, p. 293, % . 

 " 'J, . — Length .45 inch. Black, opaque, finely punctured. Head transversely 

 quadrate, very short behind the eyes and abruptly narrowed with whitish hair on 

 the vertex ; the clypeus, mandibles except apex, the scape of the antennae, wuite 

 or pale yellow, ^cape of antennae strongly dilated at apex, white with a black 

 band above, sinuated interiorly almost to the apex, tlie flagellum entirely black, 

 fusiform, the joint short to the middle, broad, flattened beneath, diminishing 

 gradually toward the apex. Thorax not maculated ; metathorax rugose, with 

 irregular strite. Wings slightly and uniforndy ob.scured. Anterior legs with the 

 trochanters white, black at the base and having a spine at apex, the femora di- 

 lated, white, black at apex, the tibife white in front, armed with a large leaf-like 

 appendage in the form of a shield, the posterior border sinuated and terminating 

 in a sharp jjoint black at the base, whitish toward the apex with three longitu- 

 dinal brown bands, the base of outer side has three transverse, fine, white lines. 

 Four po.sterior legs pale yellow, their femora with a black line above and beneath ; 

 the posteriors with their tarsi yellow, brownish at apex. Abdomen elongate, 

 polished, brilliant, black with a pale yellow band on each segment, on the basal 

 segment this band is interrupted and sinuated on each side, broader on the second 

 and internipted the same as on the third ; the terminal segment rounded, with a 

 long, white spine on each side and another one between them ; the band on the 

 second segment is inclined forward on the sides, and there is placed in the angle 

 at apex a small triangular spot quite near the margin ; the third segment has 

 beneath a spot at each side of its apex. — Cap Rouge. 



" Female still unknown. This species is easily recognized by its 

 coloration." 



Evidently closely related to C palllda-'i milii. 



