94 ENTOMOLOGICAL SOCIETY 



tellum bearing a subapical pair and a pair of very short bristles in front 

 of them; tibiae without preapical bristles; auxiliary vein distinct but 

 extending rather close to the first, costa not spined, extending slightly 

 beyond apex of third vein, hind cross-vein about its own length beyond 

 the small, first posterior cell not narrowed outwardly, second basal cell 

 separated from the discal, anal cell complete, rounded at its apex, sixth 

 vein not reaching the wing-margin. 



Type : The following species : 

 Chaetoclusia bakeri, n. sp. 



Head and its members yellow, polished, the antennal arista and anocel- 

 lar dot black, a brownish spot on outer side of third antennal joint; thorax 

 yellow, sides of mesonotum black, prolonged downward in front of and 

 behind each wing, and inward at each end of the mesonotum, the two ends 

 connected by a second black vitta; scutellum yellow, the sides at base 

 brownish; abdomen black, the extreme base, a pair of spots at bases of 

 segments four to six, the genitalia and venter, yellow; legs yellow, basal 

 half of middle or hind tibiae usually brownish, femora devoid of bristles, 

 middle tibiae bearing a stout apical spur on the inner side and an apical 

 bristle on the outer side; wings hyaline, apex brownish, this color extend 

 ing to middle of last section of third vein, an indistinct brownish cloud 

 covering the small and hind cross-veins, last section of fourth vein about 

 seven times as long as the preceding section; halteres yellow; all hairs 

 and bristles yellowish. Length 4 mm. 



Two male and two female specimens from Chinandega and 

 Granada, Nicaragua. 



Type. No,. 7799, U. S. National Museum. 



Family SAPROMYZIDyE. 

 Sapromyza varia, n. sp. 



Black, the antennae and sides efface yellowish brown, broad hind mar 

 gins of the abdominal segments and middle of the first one yellow, the 

 halteres, tibiae and tarsi except apices of the latter whitish, all hairs and 

 bristles black; head opaque, grayish pruinose. a velvet black spot near 

 middle of each cheek, contiguous to the eye, third joint of antennae elon 

 gate oval, artista long-plumose; thorax opaque, gray pruinose, marked 

 with four brown vittae, the outer pair interrupted at the suture; abdomen 

 polished, the broad hind margins of the first four segments thinly grayish 

 pruinose, the fifth segment with four gray pruinose spots; wings grayish 

 hyaline. Length 4 mm. 



A single specimen from Chinandega, Nicaragua. 

 Type. No. 7800, U. S. National Museum. 



Sapromyza albipes, n. sp. 



Head yellowish, the face, cheeks, sides of occiput and the mouth parts 

 whitish, center of occiput brown, frontal vitta bordered with brown, a 



