AMERICAN HYMENOPTERA. 297 



bent downward, with obtuse tip; from eacb side of clypeus projects a 

 long mandibular process, flat and carinate outwardly and subemargin- 

 ate at tip, and from the middle of the clypeus projects another process, 

 slender at base and suddenly and broadly dilated at tip, which is flat- 

 tened and shaped like the letter T; mandibles large, broad a* base, a- 

 cute at tip; antennas short and black; thorax densely and deeply punc- 

 tured, prothorax, pleura, postscutellum and metathorax clothed with 

 long, more or less dense, whitish pubescence; lateral margin of meso- 

 thorax extending in front of tegula), two spots on anterior margin, spot 

 on disk of prothorax, and sub-interrupted line at base of scutellum, of 

 dense, short, white pubescence; wings subhyaline, faintly clouded at 

 apex, nervures black ; legs slender, with short, thin, hoary pubescence ; 

 abdomen elongate, subquadrate, sides parallel, first and last segments 

 densely and strongly punctured, the former deeply concave at base ; 

 remaining segments with large deep punctures, scattered on the disk, 

 and with a deep transverse line near base, the first five segments with 

 a narrow apical fascia of short white pubescence, that on the first end- 

 ing in a spot on each side; venter with long white pubescence. Length 

 62 lines. 



One specimen. (Coll. Dr. J. Gundlach, No. 527.) 

 Coelioxys tegularis, n. sp. 



9 • — Elongate, black, head and thorax opaque, with large deep punc- 

 tures; face, cheeks, collar, pleura, anterior and lateral margins of meso- 

 tliorax, base and apex of scutellum, sides of metathorax, legs beneath, 

 entire margin of first abdominal segment, and apical and lateral mar- 

 gins of remaining segments above and beneath, clothed with a short, 

 dense white pubescence; lateral teeth of scutellum long and obtuse, tip 

 of latter broadly rounded; tegulfe and legs fulvous; wings subhyaline, 

 stained with yellowish fuscous; abdomen narrow, elongate, conical, shin- 

 ing, with deep sparse punctures; first segment broadly concave at base, 

 apical segment opaque, minutely punctured, much depressed at tip, 

 which is subacute, and with scattered larger punctures, the inferior 

 plate much longer than the superior and rather broadly rounded at tip. 

 Length 5 J lines. 



One specimen. (Coll. Dr. J. Gundlach.) 



CcElioxys producta. 



CccUoxys producta, Cresson, Proc. Ent. Soc. Phil, iv, p. 187, J. 

 The % is .shorter and rather more robust, the head broader, the face 

 clothed with a dense ochraceous pubescence; the second to fifth seg- 

 ments of abdomen have only lateral apical fasciae; the apex is armed 

 with six acute teeth, one on each side and four at tip (two above and 



TRANS. AMER. ENT. SOC. (39) MARCH, 1869. 



