OF WASHINGTON. 189 



junction of the front and face, and a brown vitta extending from middle 

 of hind border of each eye to the neck; antennas brown, the second joint 

 and base of the first joint yellow, apical slender portion of the arista white ; 

 second joint of antennae nearly four times as long as the first; mouth 

 parts brown. Body brownish black, grayish pruinose, mesonotum marked 

 with three median brown vittae, sometimes confluent, the sides and pleura 

 with many brown dots; scutellum and abdomen with a broad median 

 brown vitta, sides of abdomen with many brown dots. Legs brownish 

 yellow, usually a paler ring before the apex of each femur. Wings gray 

 ish hyaline, the outer portion beyond apex of auxiliary vein tinged with 

 brown along the costa and veins. Halteres yellow, the knobs brown. 

 Length 8 to 9 mm. 



San Diego, Tex. (E. A. Schwarz) and Brownsville, Tex. 

 (C. Schaeffer, C. H. T. Townsend) ; Tucson, Arizona, Feb. 8 

 and 10 and Dec. 30 (H. G. Hubbard) ; Los Angeles Co., Cal., 

 March (D. W. Coquillett). Two males and twelve females. 



Type. No. 7781, U. S. National Museum. 



Family SAPROMYZID^S. 



Lauxania signatifrons, n. sp. 



Black, the first two joints of antennae, extreme apices of femora and the 

 halteres, yellow, the antennal arista, tibiae and tarsi yellowish white. 

 Front thinly grayish pruinose, in the middle of each side a pair of 

 elongated velvet-black spots, the outer one contiguous to the eye, the 

 other between this on.e and the middle of the front, the orbital bristles 

 situated between the two spots which form each pair; face strongly 

 convex, polished, the orbits gray pruinose; antennae longer than the face, 

 narrow, of nearly an equal width, the third joint three times as long as 

 the second, arista very long-plumose. Thorax thinly grayish pruinose, 

 upper side of scutellum wholly velvety-black, abdomen polished. Wings 

 yellowish gray, darkest in the marginal cell. Length 3 mm. 



Brownsville, Texas. A single specimen collected by Mr. 

 Charles Schaeffer. 



Type. In museum of Brooklyn Institute of Arts and Sciences. 



Sapromyza picticornis, n. sp. 



Yellow, the narrow frontal vitta, four vittae on the mesonotum, two on 

 the pleura and two on upper side of the scutellum, brownish, an ocellar 

 dot, the first two joints of antennae, the arista except at base, a round spot 

 jn middle of lower part of the face, the palpi, a pair of subapical spots on 



