﻿92 1897. Entomol. Nachrichten. No. 5 u. 6. 



with a slight violet iridescence; the legs elongate, very 

 slightly spinöse; the claws bifid. 



Hab. Mexiko. In the National CoUection. 



18. Notocyphus dorsalis Cress. 



Notocyphus dorsalis Cresson, Trans. Amer. Entom. Sog. IV, 1872 

 —1873. p. 207. 



^. — Long, narrow, black, subsericeous, abdomen shining, 

 apex pointed and subcompressed ; vertex, occiput, prothorax 

 above, mesothorax, scutellum, postscutellum and metathorax 

 above fulvo-ferruginous; wings violaceous black. 



Length. .60—1 inch, — Texas. 



Four specimens. (Beifrage.) Closely allied to plagiatus 

 Smith, of which it may be a variety. This and the next 

 species were found on Solidago flowers in September 

 and October. 



19. Notocyphus alhopictus F. Sm. 



Notocyphus alhopictus Smith, Journal of Entomology I. p. 398. 



— alhopictus Cresson, Trans. Amer. Entom. Soc. I. p. 134. 



— alhopictus P. Cameron, Biol. Centr.-Amer. Hymenopt. Vol. II. 



Sept. 1893. p. 212. 



N. niger, clypei prothoracis margine postico, scutello, 

 postscutello, metathoracis angulis abdominisque fascia albis. 



Male. Length 4V2lines. [10,35 mm.] Black; the inner orbits 

 of the eyes, not extending to their sumniit, the posterior 

 margin of the prothorax, a spot on the scutellum and 

 another on the post-scutellum, the apical angles of the me- 

 tathorax, and the basal half of the third segment of the 

 abdomen white: the anterior tarsi rufo-testaceous; the body 

 covered with a thin cinereous pile; the wings hyaline, the 

 apical portion of the superior pair beyond the second sub- 

 marginal cell fuscous. 



Hab. Mexiko. In the National CoUection. 



20. Notocyphus texanus Cress, 



Notocyphus texanus Cresson, Trans. Amer. Entom. Soc. IV. 1872^ 

 1873. p. 207. 



cJ. — Black, sericeous, head and thorax in front with^ 

 Short thin black pubescence; anterior orbits, short narrow 

 line on posterior orbits, posterior margin of prothorax, 

 broader medially, a dot on scutellum, a band near base of 

 third abdominal segment slightly interrupted centrally, and 

 a spot on apical segment, whitish, metathorax and posterior 



