376 COQUILLETT 



Family ORTALID.S:. 

 EUXESTA NOTATA Wied. 



Ortalis notata Wiedemann, Ausser. Zweif. Ins., 11, p. 462, 1830. 



Charles, May 10. A single specimen. A common species over the 

 greater part of the United States. 



EUXESTA NITIDIVENTRIS Loew. 



Euxesta nitidiventris Loew, Mon. Dipt. N. Amer. , iii, p. 157, 1873. 



Albemarle, January i, and Charles, May 10. Thirteen specimens. 

 Originally described from Texas ; it also occurs in Georgia and Florida. 



PAREUXESTA gen. nov. 



Near Euxesta^ but the first vein covered with bristles on its apical 

 third. Front not punctured, sparsely covered with bristly hairs except 

 around the ocelli, slightly tapering to the lower end, where it is almost 

 as wide as either eye, antennie two-thirds as long as the face, the third 

 joint ellipsoidal, one-half longer than wide, twice as long as the 

 second, which is scarcely longer than wide, arista bare, face in profile 

 concave, not carinate nor foveolate, projecting slightly further forward 

 at oral margin than at base of antennie, clypeus prominent, proboscis 

 short and swollen, palpi well developed, of nearly an equal width, 

 cheeks less than one-fourth as wide as the eye-height, occiput slightly 

 concave on its upper part, thorax bearing one pair of acrostichal 

 bristles, two dorsocentral, three supra-alar, one humeral, two post- 

 humeral, one mesopleural and one sternopleural, scutellum bearing 

 four bristles, abdomen ovate, legs short and robust, calypteres small, 

 wings slightly tapering to their apices, fourth vein distinctly converg- 

 ing toward the third, lower outer angle of anal cell drawn out in a 

 long lobe, small crossvein perpendicular, the hind one nearly so, stigma 

 short, distance between apices of auxiliary and first veins much less 

 than lensrth of hind crossvein. 



Type^ the following species : 



PAREUXESTA LATIFASCIATA sp. nov. 

 Head reddish brown, opaque, the occiput (extending as ocellar and 

 orbital triangles upon the front), also usually the face, clypeus and 

 lower edge of cheeks, bluish ; narrow frontal orbits, face, upper 

 and lower border of cheeks and occiput, whitish pruinose ; antennas 

 and palpi yellowish brown ; proboscis and apices of aristae black ; body 

 bluish, subopaque, the abdomen somewhat polished ; an opaque black- 

 ish streak in front of each wing, extending along the posterior side of 



