NO. 1146. REPORT ON JAPANESE DIPTERA—COQUILLETT. 327 



XYLOTA LONGA, new species. 



Male: Head polished, black, the lower angles of tlie front, the face, 

 and the sides of the occiput next the eyes gray prninose; antennae 

 black, the arista reddish-biown. Thorax and scutelluni polished, black, 

 a gray pruinose spot at inner side of each humerus, hairs chiefly bhick. 

 Abdomen narrower than the thorax, polished, black, a triangular 

 <)pa(|ue black spot on the second and third segments extending the 

 entire length of each in the middle of the dorsum; hairs chiefly yellow. 

 Legs black, hind femora greatly thickened, bearing many short spines 

 on the apical portion of its under side, coxae not spined, hind tibiae 

 strongly arcuate, i)rolonged into a large tooth at the apex of the inner 

 side. Wings hyaline, the apex beyond the base of the submarginal cell 

 strongly tinged with brown, apex of subcostal cell dark ])rown. Ilal- 

 teres yellow, tlie bases of the stems brown. Length, 18 mm. Three 

 specimens (No. 688). 



Type.—^o. ;i998, U.S.N.M. 



XYLOTA CUPRINA, new species. 



Male: Head black, vertical triangle polished, steel-blue, the face, 

 lower angles of the front, and tlye occiput gray pruinose; antennae 

 black, the third Joint and the arista yellowish brown. Thorax and scu- 

 telluni green, w ith a strong coppery tinge, a gray pruinose spot at the 

 inner side of each iiumerus, middle of pleura gray pruinose, hairs of 

 thorax chiefly yellow. Abdomen opaque, black, the first segment, 

 sides of the next two, and the whole of the fourth, except a spot in the 

 middle at the base, polished, bronze-green. Legs black, the apices of 

 the front and middle femora, broad bases of the tibiae, apices of the 

 front and middle t.biae, and the front and middle tarsi, except the last 

 two joints, yellow. Wings hyaline, apex of the subcostal cell yellow. 

 Halteres yellow. Length, 10 mm. Two specimens (No. 089). 



Type.—^o. .'iOO'J, U.S.N. M. 



CHRYSOCHLAMYS CUPREA Scopoli. 

 Conops ciiprea Scoi'oli, Entoin. Carn., 1763, p. 'A^h. 



A male specimen (No. 082) agreeing well with Schiner's description 

 of this European species. 



CHRYSOCHLAMYS NIGRIFRONS Egger. 



ChryaochlamyH niorifrone EauKU, \'eiL. Zool. Botan. Gesell., 1860, j). mi. 



A male specimen (No. 082) which agrees well with the description.s. 

 I'his species was also originally described from Europe. 



