396 THE NORTH AMERICAN EMPIDM—COQUILLETT. vol. xviii. 



EMPIMORPHA, new genus. 



f^ame as Empix, except that tbe face is covered with long- bristly hairs; 

 aiiteimal style apical, proboscis directed downward, longer than height 

 of head; third vein forked; discal cell perfect, sending three veins to 

 tlie wing margin ; anal cell shorter than the second basal, the vein at 

 its apex nearly parallel with the hind margin of the wing. 



Tiipc. — Empimorpha comantis, new species, described below. 



Two species, both from California, occur in our fauna. 



ANALYTICAL KKY TO THE SPECIES OF EMPT:\I0RPHA. 



Wiugs brown, costal cell reddish, pile iu front of halteres aud ou sides of abdo- 

 nieu black harhaia. 



Wings, including the costal cell, hyaline or grayish, pile in front of halteres ;ind 

 on sides of abdomen whitish comantis. 



EMPIMORPHA COMANTIS, new species. 



Male. — Head bhick, gray pollinose ; pile of face mixed black and white; 

 «yes narrowly separated, the space between them being narrower than 

 ividth of lowest ocellus, the upi)er facets noticeably larger than the lower 

 ones; an tenure black, the second joint reddish, slightly over oue-third 

 as long as the tirst; third Joint sube(iual with the first, twice as long 

 as broad; style slender, as long as the third joint; proboscis two and 

 one-half times as long as height of head, projecting obliquely down- 

 ward and backward; palpi slender, curving u]>ward, yellowish, the base 

 brown, the pile black and white. Thorax black, shining, three vittte 

 and the broad lateral margins opaque gray pollinose; pile of thorax 

 very abundant, whitish, two longitudinal stripes of largely black pile 

 on the dorsum; pleura black, gray pollinose, its pile whitish. Scutel- 

 lum black, thickly whitish pilose, destitute of stout bristles. Abdomen 

 shining black, depressed, twice as long as wide; its pile very abundant, 

 on the tirst two segments and sides of the others largely whitish, on 

 dorsum of remaining segments mostly black; hypopygium small, cen- 

 tral filament hidden except at base. Legs rather robust, reddish yellow ; 

 coxa^, under side of each femur, apex of each tibia, and of each tarsal 

 joint, blackish ; legs simple, the pile abundant. Knob of halteres black. 

 Wings hyaline, grayish toward the apex; veins, stigma, aud a spot above 

 furcation of second and third veins, dark brown. 



Female. — Same as the male, except that the first abdominal segment 

 and the bases of the second and third are opatjue gray pollinose. 



Types.— ^os. 31G1 and 3102, U.S.KM.; length, 11 mm. A male and 

 female were received from Mr. (Charles Fuchs, of San Francisco, Cali- 

 ibruia. 



Locality. — Xorthern California. 



