152 AMERICAN HYMENOPTERA. 



[ J?'ico/or is really from Camden County, New Jersey, and is the 

 variety of abdomiiialis mentioned in " Eut. News," iii, 29. I am 

 not yet convinced that it is a distinct species, an opinion which Mr. 

 Cockerell expresses above. — W. J. F.] 



(15.) Calliopsis towiisendi u. sp. '^.— Length 6 mm. Black; the pu- 

 bescence white, very sliort and thin, only noticeable on cheeks, hind border of 

 prothorax, scutellum, sides of metathorax, pleura, and sides of abdomen, and 

 nowhere dense. Head somewhat broader than long, strongly punctured, face 

 bare, with a few short, scattered hairs laterally; clypeus large, broadly truncate 

 above, entirely cream color, except the dots, which are minute, and the anterior 

 margin ; no supraclypeal or lateral marks ; labrum black, the process obscurely 

 whitish, except the einargiuate end, which is black. In another specimen the 

 end of the process is entire ; the lower margin of the clypeus is broadly exca- 

 vated to expose the process of the labrum ; mandibles cream color with rufous 

 ends, furnished with a long brush of pale hairs beneath ; antennae wholly black, 

 first joint of flagellum larger than second, but not so long as 2 -j- 3. Thorax 

 closely punctured; tubercles with a pale yellow spot; base of metathorax ob- 

 scurely longitudinally wrinkled; tegulse reddish testaceous. Wings grayish 

 hyaline, slightly darkened at apex ; nervures and stigma black ; marginal cell 

 appendiculate ; second submarginal narrowed hardly half to marginal, receiving 

 first recurrent nervure one-third of its length from base, and second at extreme 

 apex. Legs very sparsely pubescent, black ; the knees, anterior tibiae in front, 

 and first four tarsi, rufous ; the hind tarsi fuscous, the basal joint rufous within ; 

 outer edge of hind tibiae crenate ; the second, third and fourth joints of the an- 

 terior tarsi form equilateral triangles. Abdomen rather narrow and cylindrical, 

 black, finely and distinctly punctured, the depressed portions of the hind mar- 

 gins of the segments much more finely and closely, so as to be microscopically 

 cancellate ; thin white pubescence at basal sides of segments extending mesad 

 somewhat, but not forming bands, or forming only very indistinct bands toward 

 the apex. 



Hab. — Two at Dripping Spring, Organ Mountains, New Mexico, 

 5600 feet, Aug. 10, 1»96 (C. H. T. Townsend). One on a flower 

 of a composite — Erigeron, or an allied form. 



This is perhaps a Protandrena with only two submarginal cells, 

 and not, a true Calliopsis, but I have not studied the tongue, which 

 is retracted in the types. It differs from C. bakeri by its larger 

 size, color of mandibles and tegulpe, much longer marginal cell, etc. 

 Differs at once from C. chjpeatus by the venation. 



(16.) Perdila solitaria n. sp. 9- — Length 4.5 mm. Head and thorax 

 black, without the least blue or green lustre. Abdomen and legs piceous brown ; 

 no light markings; mandibles yellowish rufous, abruptly dark rufous at tips, 

 which are not bifid ; margins of abdominal segments obscurely dark reddish 

 brown; flagellum dark cofifee-brown beneath. Head of ordinary size, round seen 

 from in front, face nearly bare, facial ridge strong, clypeus low, with large shal- 

 low punctures, ocelli in a low. but decided triangle ; front and vertex dull, micro- 



