NO. 2202. GIFFARD COLLECTION OF EYMENOPTERA—ROHWER. 249 

 NYSSON (BRACHYSTEGUS) PACIFICUS. new species. 



In Fox's table ^ falls next to punilus (Cresson), but that species 

 has the mesoscutum finely punctured and is otherwise different. In 

 Cresson's table ^ falls in with comj)actus Cresson, but that species has, 

 according to Fox, quite ditFerent venation. 



Male. — Length, 5 mm. Anterior margin of the clypeus depressed, 

 broadly rounded, the basal portion convex with a few shallow punc- 

 tures; eyes one-third closer together at the clypeus than at the vertex; 

 front with close fine punctures and in addition larger and deeper 

 punctures in the middle; postocellar line subequal with the ocellocu- 

 lar; interocellar area not raised or tuberculate; flagellum thickening 

 apically, the apical joint subequal in length with the two preceding, 

 obliquely truncate; pronotum rounded; mesoscutum bipunctate, the 

 larger punctures close and sometimes partly confluent ; punctures of 

 the scutellum largely confluent; dorsal aspect of propodeum with 

 about 10 longitudinal carinae; spines prominent, acute; legs normal; 

 nervulus postfurcal l<y more than half its length; nervellus ante- 

 furcal by its length; abdomen very finely granular and in addition 

 with distinct separate punctures. Black; first tergite except median 

 apical spot ferruginous ; median spot on pronotum, tubercules, lateral 

 spots on first fourth tergites (larger on first), yellowish-white; 

 mandibles and anterior tibiae and tarsi piceous. Clothed w\i\\ the 

 usual silvery pile which is especially dense on the lateral dorsal 

 aspect of the propodeum; wings dusky hyaline; venation brown. 



Type-locality. — Foothills near Santa Barbara, California. De- 

 scribed from one male collected August, 1907, by W. M. Giflfard. 



Type.— Cat. No. 20162, U.S.N.M. 



Family BEMBICIDAE. 



STENIOLA DUPLICATA Provancher. 



One female collected by A. Koebele at Tucson, Arizona, June, 1900. 



BEMBIX SPINOLAE Lepeletier. 



One female from Ohio or Texas. 



SPHECIUS SPECIOSUS Drnry. 



One female from Ohio or Texas. 



Superfamily APOIDEA. 



XYLOCOPA ORPIFEX Smith. 



A male and female from Calaveras County, collected by Blaisdell, 

 July, 1910. 



> Journ. N. Y. Ent. Soc, vol. 4, 1896, p. 12. 

 ■Trans. Amer. Ent, Soc, vol. 9, 1882, p. 273. 



