32 PEOCEEDINGS OF THE NATIONAL MUSEUM vol. 69 



joining discal cell at its middle; apical cross vein joining third vein 

 at an acute angle; metathoracic spiracle approximates the size of 

 third antennal joint. 



Female. — Not at hand. Described by Curran under the name ore- 

 gona. 



Distribution. — California : Huntinuton Lake, Fresno, July 21, 

 1919, type locality, one male (E. P. Van Duzee) ; Summerdale, July 

 1, 1906, one male (H. E. Burke) ; Oregon, Mount Jefferson, July 

 15, 1907, one male (J. C. Bridwell) ; Washington, Lake Cushman, 

 Mason County, August 6, 1919 (F. M. Gaige; collection J. S. Hine). 



Type. — In University of Oregon. (As Xylota hiviitata- Lovett.) 



XYLOTA ANALIS Vfilliston 



Fairly large and robust species, 12-13 mm. Antennae brownish; 

 third joint as broad as long; arista yellowish brown, shorter than 

 width of face; frontal triangle of male bare and shining anteriorly, 

 broadly pollinose posteriorly; front of female rather broad, its 

 width across ocelli about half the length of arista, a rather broad 

 pollinose band across middle; face partly yellowish brown; male 

 without long hair on basitarsus; metasternum bare; hind trochanter 

 of male with spur; second and third tergites with yellowish spots; 

 fourth tergite bright greenish aeneous; discal cross vein joining discal 

 cell beyond middle ; posterior cross vein longer than section of fourth 

 vein above it; post thoracic spiracle a little smaller than third 

 antennal joint. 



Records from the eastern United States ma}^ prove to belong to 

 Xylota viridaenea. 



California, New Mexico, Colorado. Has also been recorded from 

 New Jersey, Florida, Ohio, Nebraska and British Columbia. 



DlstHhutwn. — Washington, Lake Cushman, Mason County, June 

 29, 1919 (F. M. Gaige); California, Locality? Williston Collec- 

 tion); New Mexico, Locality?. (Williston Collection); Mexico, 

 Sierra Madre, 7,300 feet (C. H. T. Townsend) ; Colorado, Locality? 



Type. — In U. S. National Museum. 



XYLOTA IJEBULOSA Johnsc-n 



Xylota nebulosa Johnson, Psyche, vol. 28, p. 58. 1921. 



Medium sized, fairly slender species, 9 mm. Known only in the 

 male. Frontal triangle covered with yellowish pubescence ; face yel- 

 low, cheeks brown; mesonotum bronze black; second tergite only 

 with 3'ellow spots; fourth tergite bright metallic green with dense 

 yellow tomentum; outer half of wing clouded. 



Dist7'ibution. — Texas. Locality? One male. 



Type. — In collection of C. W. Johnson, Boston, Mass. 



