Diptera of St. Vincent [West Indies). 203 



SciorHiLA. 

 Meigen, Syst. Beschr., i., 245, 1818. 



1. Sciophila dilutaj n. sp. (PI. YIII., fig. 17, wing.) 



$ . Reddish yellow ; abdomen brown. I^ength 3 mm. 



Antennae about as long as the head and thorax together, some- 

 what compressed ; light brown, the basal joints yellow. Front and 

 face brown or brownish-yellow, palpi brown. Thorax, coxae and 

 femora reddish or luteous yellow ; mesouotum brownish-yellow, 

 with black hair and bristles. Abdomen brown or yellowish-brown, 

 with black hairs. Tibiae brown ; tarsi blackish ; front metatarsi a 

 trifle shorter than their tibiae ; hind tarsi scarcely longer than the 

 tibiae. Wings tinged with brownish ; the costal vein terminates at 

 the tip of the third vein ; first submarginal cell very short ; fur- 

 cation of the fifth vein very nearly opposite the origin of the third 

 vein. 



Two specimens. 



Phthinia. 

 Winnertz, Pilzmiicken, 143 (779), 1863. 



1. Phthinia fraudulenta, n. sp. (PL YIII., fig. 18, wing.) 



(^ . Brown or blackish and luteous ; wings hairy ; the auxiliary, 

 first and third veins with distinct, short, bristly hairs. Length 

 2^-3 mm. 



Antennae brown or blackish, the basal joints somewhat yellowish; 

 the joints of the flagellum closely set together, somewhat com- 

 pressed. Front and face black or brownish-black. Mesonotum 

 reddish-brown, shining, with black hair ; pleurae and coxje yellow. 

 Abdomen reddish-brown or blackish, black at the tip ; venter 

 yellow. Legs yellow, the tarsi brownish, becoming black at the 

 tip ; spurs of tibiae stout ; hind tibiae with two rows of spines ; 

 front metatarsi distinctly shorter than their tibia3 ; hind tarsi 

 longer than their tibi^. Wings tinged with blackish, due to the 

 easily perceptible pubescence. 



Two specimens. 



