Diptcra, of St. VUu-eut {Wed Indies). 257 



1. PUifijura iKirva, n. sp. 



$ . Antennae brownish-yellow, shorter than the thorax. 

 Posterior part of the mesonotum, the narrow lateral margins, 

 and three slender stripes, brown or black ; elsewhere the thorax 

 is yellow, ^ave two spots on the pleurae, and the metanotunt) for 

 the greater part, which are black. Abdomen cylindrical, black, 

 the venter and immediate base yellowish. Coxae and legs yellow ; 

 the terminal portion of the tibije, and the tarsi, brownish ; meta- 

 tarsi about three-fourths of the length of the tibiae ; all the tibite 

 with a single spur and without spines. Wings lightly tinged ; the 

 anterior branch of the third vein terminates in the first vein near 

 its tip. Length 2|-3 mm. 



Two specimens. 



2. Plati/ura iynuhilis, n. sp. (PI. VIII., fig. 9, v^ring.) 



^ . Base of antennae and the face yellow ; front and occiput 

 blackish. Thorax reddish-yellow, the dorsum with black hair 

 arranged in distinct rows, Scutellum and metanotum brownish. 

 Abdomen brownish-yellow, with black hair. Legs yellow, the tarsi 

 infuscated ; front metatarsi not more than three-fourths the length 

 of the tibia3. Wings uniformly subinfuscated ; the anterior branch 

 of the third vein is nearly rectangular, terminating in the costa. 

 Length 3-4 mm. 



S. Platyura 'pict'ipennif>', n. sp'. (PL VIII., fig. 10, vising.) 

 ^ , $ . Front and face yellowish or brownish, the palpi darker 

 coloured. Antennai brownish, about as long as the thorax, mode- 

 rately compressed. Thorax yellow ; the dorsum, save a yellowish 

 spot or stripe in the middle, and the yellow lateral margins, brown 

 or black ; disk and sides of the metanotum brown. Abdomen 

 brown or blackish-brown, the posterior margin of each segment 

 yellow. Legs, including the cox^, yellow, the distal portion of the 

 tibiae, and the tarsi, brownish ; tibiae without spines ; front tibiae 

 and metatarsi of nearly equal length, the hind metatarsi shorter 

 than their tibiae ; all the tibife with a single spur. Wings nearly 

 hyaline, with markings as follows : a large brown spot, reaching 

 from the costa to the fifth vein, over the prefurca ; another of about 

 the same size in the outer part of the first posterior cell ; and 

 smaller ones in all the cells on the posterior side of the wing ; the 

 anterior branch of the third vein runs into the costa a little beyond 

 the tip of the firist vein. Length 'd-3k mm. 



Six specimens. 



