182 Journal New York Entomological Society. [VoL x. 



beyond it, the latter does not extend to the second of the two brown crossbands in 

 the second posterior cell. Length, 2.5 mm. 



Habitat. — Williams, Arizona. 



A male specimen collected May 28 by Mr. H. S. Barber. Type 

 No. 6639, U. S. N. M. 



Family Ephvdrid.i^^. 



Dichaeta furcata, sp. nov. 1 



lilack, the base of third antennal joint, palpi, apex of proboscis, halteres, knees 

 and tarsi except their apices, yellow ; head opaque, gray pruinose, the front and 

 face yellowish-gray, the front marked with two black vitta; which converge ante- 

 riorly, only one pair of fronto-orbital bristles and nearer to each eye a row of short * 

 bristly hairs, several similar hairs on lower part of front, sides of the face and cheeks 1, 

 bearing a row of from seven to nine bristles, and between each row and the adjacent ; 

 eye is a series of short, bristly hairs ; mesonotum yellowish-gray pruinose, three in- ■-. 

 distinct brown vittfe, pleura bluish-gray pruinose, a brown spot near center of meso- >' 

 pleura, scutellum with a transverse pair of yellowish-gray pruinose spots ; abdomen 

 bluish-gray pruinose, segments 2 to 5 in the female, 2 to 4 in the male, each marked \ 

 with a basal pair of large, subtriangular black spots, in the male the fifth segment is gray j 

 pruinose except a median black vitta, and near the apex of its upper side is a slender i 

 tubercle which is nearly twice as long as this segment and tipped with a pair of up- | 

 wardly curving spines, each about two-thirds as long as the tubercle ; fourth seg- '• 

 ment in the male bearing a transverse row of unusually large bristles near its posterior 

 margin ; wings yellowish hyaline. Length, 3 to 4 mm. 



Z^f/^/Az/.— Biscayne Bay and Lake Worth, Florida. 



J'hree males and two females collected by Mrs. Annie T. Slosson. 



Tyi)e No. 6640, U. S. N. M. 



f 



Paralimna nuda, sp. nov. 



Illack, the third antennal joint, halteres, knees, tibiiv and bases of tarsi yellow ; 

 front and face yellow, the occiput gray pruinose, only one jiair of orbital bristles ; 

 thorax grayish pruinose, mesonotum with a broad median and pair of narrow lateral j 



vittK, no bristly hairs between the rows of dorsocentral bristles, nor on the sterno- ;; 



pleura, no sternopleural bristle, scutellum brown pruinose on the upper .side, abdo- 

 men bluish-gray pruinose, segments 2 to 5 subequal in length ; tibite silvery white 

 pruinose, the middle ones each bearing a long bristle near the base and another near j^ 



the apex ; wings whitish hyaline. Length, 2 mm. 



Habitat. — Frontero, Tabasco, Mexico. 



A male specimen collected on moist sand along a river, March 9 

 by Mr. C. H. T. Townsend. Type No. 6641, U. S. N. M. 



Discocerina incisa, sp. nov. 



Black, the lower edge of the front, antenna;, palpi, halteres, front coxae, knees 

 tibix and tarsi except the last two joints, yellow ; front brownish, face yellowish 

 pruinose, orbits of both and the cheeks white pruinose, face bearing three pairs of 



