12 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.63. 



XIPHANDRIUM FEMORATUM VanDuzee. 



Xiphandrium fenioratinn YanDuzee, Trans. Amer. Ent. Soc, vol. 48, p. 81, 

 1922. 



Twenty-two specimens, both sexes, were taken by Doctor Aldrich 

 in Alaska at the following places: Skagway, June 4; Anchorage, 

 June 10-13; Healy, June 21; and Fairbanks, July 1. This is part 

 of the material from which the species was described, the other 

 specimens were taken in Nevada and Alaska. Type from Wells, 

 Nevada. 



Paratypes.—M.n\t^ and female. Cat. No. 26341, U.S.N.M. 



XIPHANDRIUM FEMORATUM, variety POLLEX VanDuzee. 



Xiphandrium femoratvm, var. poller VanDuzee, Trans. Amer. Ent. Soc, vol. 

 48, p. 82, 1922. 



One male was taken at Skagway, Alaska, June 4. This is part 

 of the type material. 



Paratype.—M?i\e, Cat. No. 26342, U.S.N.M. 



XIPHANDRIUM ALDRICHI VanDuzee. 



Xiphandrium aldrichi VanDuzee, Trans. Amer. Ent. Soc, vol. 48, p. 86, 

 1922. 



Described from two males and one female taken by Doctor Aldrich 

 at Healy, Alaska, June 24. 



7>p^.'— Male, Cat. No. 26393, U.S.N.M. 



Genus SYMPYCNUS Loew. 



Sympycnus Loew, Neue Beitr., vol. 5, p. 24, 1857 ; Smiths. Misc Colls., No. 171, 

 pp. 185-191, 1864.— Aldrich, Kansas Univ. Bull., vol. 1, pp. 83-84, 1902; 

 Biologia Cent. Amer. Diptera, vol. 1, p. 344, 1901 ; Tran.s. Ent. Soc London, 1890, 

 pt. 3, p. 336.— Wheeler, Proc Calif. Acad. Sci., vol. 2, pp. 47-51, 1899.— 

 VanDuzee, Ent. News. vol. 24, pp. 269-272, 1913; Can. Ent., vol. 49, pp. 

 337-339, 1917. 



SYMPYCNUS CUPRINUS Wheeler. 



Si/mpi/cnus cupriniifi Wheeler, Proc Calif. Acad. Sci., vol. 2, p. 50. 1899.— 

 CoQUirxETT, Proc. Wash. Acad. Sci., vol. 2, p. 426, 1900. 



Fourteen specimens were taken by Doctor Aldrich in Alaska. This 

 species was described from California ; it was reported from Alaska 

 by Coquillett in 1900. 



SYMPYCNUS, species. 



One female representing a new species was taken. 



Genus NOTHOSYMPYCNUS Wheeler. 



Nothosympycnus Wheeler, Proc. Calif. Acad. Sci., vol. 2, pp. 51-56, 1899.— 

 VanDuzee, Can. Ent., vol. 49, pp. 140 and 141, 1917. 



NOTHOSYMPYCNUS CILIFEMORATUS, new species. 



BlaJe. — Length 3 mm. Face narrow below, covered with white 

 pollen. Front blackish, dulled with brown or grayish pollen, some- 

 times dark blue near the orbits. Antennae (fig. 2) black; third 



