140 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.49. 



spine-like, of the hind ones yellow. Wings moderately infuscated, 

 darker in the middle, the stigma large, deep brown. 



Female. — Black, all the following parts yellow: abdomen except 

 basal part of venter; tip of front coxae, apical half of middle ones, 

 all of hind ones; femora, tibiae, and nearly half of all the tarsi; 

 antennae, palpi, and halteres. Third antennal joint concave in pro- 

 file below the arista. 



Front ochraceous pollinose, with short black pile; first antennal 

 joint small, short, with short black pile; second minute; third very 

 large, almost orange yellow; vertical diameter 2^ times that of first 

 joint, concave in profile below arista, which is concolorous at base; 

 side of face with a few small pale hairs on upper part, hard to see; 

 palpi concolorous with third antennal joint, of moderate size, with 

 pale hah-; proboscis yellowish brown, fleshy, short. Mesonotum and 

 scutellum ochraceous pollinose, with mixed black and yellow short 

 pile; pleurae dark cinereous pollmose; metathoracic epimera yellow 

 (above hind coxa, connecting with abdomen) . Abdomen opaque dark 

 yellow hairs, black toward tip. Wings subhyaline, a little yellowish. 



Length of male, 7f mm.; of female, 6-7 mm. 



Thirteen males, 14 females: East Sound, Washington (Kincaid); 

 Friday Harbor, Washington (J. M. A.); Sonoma County, California, 

 July 4, 1876 (Osten Sacken, 11 specimens, both sexes); Kern County 

 (Coquillett) and Mountain View (Ehrhorn), California (both in the 

 U.S.N.M.); San Gabriel Mountains, California (F. Grinnell, jr.). 

 Type in Museum of Comparative Zoology, Harvard University, 

 Cambridge, Massachusetts. 



SYMPHOROMYIA SECURIFERA Coquillett. 



Symphoromyia securi/era Coquillett, Proc. Ent. Soc. Wash., vol. 6, 1904, p. 171, 

 female. Santa Clara County, California. 



Female. — A pale cinereous species with the halteres, third joint of 

 antennae, and palpi yellow; legs mostly yellow; third antennal 

 joint concave in profile below arista; face bare; mesonotum with 

 three very distinct narrow brown stripes, the middle one not at all 

 divided. 



Front narrower than one e3^e, densely ashy polhnose, indistinctly 

 marked with brown before the ocelli, the pile short and black; first 

 joint of antenna short and rounded, not longer than the two following, 

 yellowish, with small black hairs; third joint yellow, its vertical 

 diameter slightly more than double that of first joint, concave in 

 profile below arista, which is yellow at its extreme base; palpi pale 

 yellow, with small, pale hairs; proboscis with blackish, fleshy labella; 

 beard white, the hairs of the occiput also white up to the about the 

 vertex. 



Thorax pale cinereous, densely pollinose, dorsum striped as above 

 mentioned; scutellum faintly brownish on the disk, elsewhere as the 

 mesonotum; pile of thorax mixed with pale, that above notopleural 



