32 PROCEEDINGS OF THE NATIONAL MUSEUM vol.74 



Extreme apices of femora and bases of the tibiae black. Wings 

 hyaline. Halteres yellow. 



Frons about as long as wide at vertex, narrowed anteriorly, all 

 bristles present, outer verticals shorter than inner, anterior orbitals 

 about half as long as posterior pair; antennae rather large, third 

 segment rounded at apex and about twice as long as wide; longest 

 hairs on arista about as long as width of third antennal segment; 

 palpi slender. Thorax with two pairs of postsutural dorsocentral 

 bristles, one pair of prescutellar acrostichals, and about ten series of 

 short intradorsocentral hairs; anterior sternopleural bristle short; 

 scutellum flattened above. Fore femur without an anteroventral 

 comb; all tibiae with a distinct preapical dorsal bristle. Wings 

 rather narrow, inner cross vein close to middle of discal cell, ultimate 

 section of fourth vein fully twice as long as penultimate section. 



Length, 2.5 mm. 



Type. — Cat. No. 41131, U.S.N.M. Type., and one paratype in poor 

 condition. Mount Maquiling, Luzon (C. F, Baker). 



The color of the antennae readily separates this species from any 

 now known to me. Usually when the third antennal segment is 

 bicolored in this as in other genera the dark color is on the apical 

 and not the basal portion. 



SAPROMYZA OMEI. new species 



Fenmle. — Head orange-yellow, opaque except on face and occiput 

 which are slightly shining, ocellar spot velvety black; antennae and 

 palpi not blackened; aristae brown, yellow at bases. Thorax and 

 abdomen shining orange-yellow, not so bright as frons, the abdomen 

 with a large blackish mark on each side of each tergite except the 

 basal one, which gives the dorsum the appearance of having a broad 

 blackish vitta on each side. Wings yellowish hyaline, outer cross 

 vein and apices of veins 2, 3. and 4 conspicuously clouded with fus- 

 cous. Legs and halteres yellow. 



Frons subquadrate, orbits not differentiated, anterior orbital bris- 

 tles a little shorter than the posterior pair and much farther from 

 eyes, ocellar bristles short and weak, postverticals long, situated well 

 below vertex; arista pubescent; face flat. Thorax with 1 to 3 pairs 

 of dorsocentrals, the intradorsocentral hairs weak and in four irregu- 

 lar series; sternopleurals both present, the anterior one shortest; 

 scutellum subconvex. Genital papillae enclosed between the glossy 

 chitinous plates which are rounded at apices and eniarginate above 

 at some distance from their tips. Fore femur witli an anteroventral 

 comb; all tibiae with preapical bristle. Inner cross vein below apex 

 of first vein and at middle of discal cell; ultimate section of fourth 

 vein but little longer than penultimate. 



Length, 5 mm. 



