262 Professor Williston on the 



segment and a posterior band on the second, third and fourth 

 segments yellow. Halteres yellow. Wings nearly hyaline, lightly 

 clouded on the outer part. Legs, including coxae, light yellow ; 

 the tarsi and the thickened portion of the hind tibiae infuscated 

 or blackish. Length 4-5 mm. 



Three specimens. " Forest, 1800 feet, west slope of 

 Sonfriere, Sept. 23.'^— H. H. Smith. 



Neoempheeta. 



Osten Sacken, Cat. Dipt., 1878, p. 9, vice Emj)heria, 

 Winnertz, Pilzm., 102 (738), 1863 (preoc). 



1. Neoemjpheria macidi'pennis, n. sp. (PI. Ylll., fig. 16, 



wing.) 



$ . Wings with brown markings ; anterior branch of third 

 vein situated a little beyond the furcation of the fourth vein. 

 Length 5 mm. 



Antennae about as long as the head and thorax together ; the 

 basal joints light yellow, the remainder with a brownish tinge. 

 Palpi brown ; front and face yellow ; mesonotum, except the 

 lateral margins, light brown, with black hair and bristles ; indis- 

 tinctly striped ; moderately shining. Pleurae, coxae and femora 

 light yellow. Scutellum, except at its base, light yellow, and with 

 two bristles on its margin. Abdomen light yellow, each segment 

 with a large black or brown spot, not reaching the hind margin. 

 Tibiae and tarsi yellow, but appearing blackish from the abundant, 

 short, black hair ; front tarsi more than twice the length of their 

 tibiae. Wings nearly hyaline, with the following markings : the 

 tip of the subcostal cell and the submarginal cell beyond the 

 anterior branch of the third vein, and the proximal end of the 

 first posterior cell, brown ; a more distinct brown spot clouding 

 the costal cross-vein, the basal section of the third vein, the base 

 of the first posterior cell, and, more diffusely, along the posterior 

 branch of the fourth vein, to connect with a spot running from 

 the first posterior cell into the hindmost posterior cell ; a smaller 

 brownish spot in the axillary angle ; costal and subcostal cells 

 yellowish ; costa produced beyond the tip of the third vein ; 

 anterior branch of the third vein situated a little beyond the 

 furcation of the fourth vein. 



Four specimens. 1000 feet. 



