Dlptcra of St. Vincent {West Indies). 287 



tip of the slightly clavate femora yellow ; base of femora yellowish. 

 Wings tiugod with brownish ; four large brown spots or clouds 

 along the costa, the outermost one confluent with a brown cloud 

 at the origiu of the third vein ; the outer cross-veins with brown 

 clouds, and the distal costal portion more distinctly clouded ; be- 

 tween the brown spotsalong the costa, the intervals are more purely 

 hyaline ; termination of the auxiliary vein at or before the middle 

 of the pre f urea. 



Two specimens. 1500 feet. 



4. Bhipidla suhpectinata, ii. sp. (PI. IX., fig. 57, wing; 

 FI. X., tig. 57((, antenna of S .) 

 ^ . Antenuaj subpectinate in both sexes. Mesonotum con- 

 spicuously lighter coloured on the sides ; wings with small dark 

 spots. Length 4 mm. 



Head ochraceous yellow. Antennas yellow, slightly brownish 

 at the tip. Palpi brown or blackish. Mesonotum on the upper 

 surface yellowish-brown, or brownish-yellow, forming a long, 

 subtriangular figure, the margins of which are dark brown ; just 

 outside or below this line, couspicuously light yellow, extending 

 in a nearly equal width from the root of one wing to that of the 

 other ; below the light yellow band, near the upper part of the 

 thorax, a narrow, longitudinal, nearly black stripe. Scutellum 

 and metanotum light yellow ; the former with two spots, the latter 

 with a median stripe and a lateral spot pale brown. Legs yellow, 

 the two or three terminal joints of the tarsi black. Wiugs nearly 

 hyaline, with small brown spots, as shown in the figure. 



Two males and two females. 1000 feet. The female 

 scarcely differs from the male. 



LiMNOBIA. 



Meigen, Syst. Beschr., i., 92, 1818. 

 1. Liinnohia insular is, n. sp. (PI. X., fig. 58, wing.) 



$ . First longitudinal vein recurved to the second near its tip ; 

 femora without brown rings. Length G mm. 



Front black. Antennae, palpi and rostrum brown. Thorax 

 brownish red, the mesonotum shining; pronotum long, somewhat 

 lighter coloured ; mesonotum with inconspicuous, narrow, brown 

 stripes. Abdomen and halteres dark brown. Wings iufuscated, 

 strongly so along the costa distally. Legs dark brown, the tar-i 

 more yellowish, except the terminal joints, which are blackish. 



One specimen. 1000 feet. 



