Di'ptera of St. Vincent {West Indies). 275 



bisected, by a slender yellow stripe. Scutellum light yellow. 

 Metanotum brown ; halteres brown. Abdomen black, with black 

 hair ; the seventh and eighth segments light yellow, with yellow 

 hair. Legs light yellow ; the extreme tip of the four posterior 

 tibiae black ; distal joints of the front tarsi' in fuscated, as also the 

 front tibiae ; front metatarsi about one-third longer than their 

 tibiae. Wings hyaline. Length 3-4 mm. 



6. Chiroyiomus, n. sp. 



(? . Light yellow, the antennte brownish, and, rarely, the pos- 

 terior part of the abdomen also brownish. Extreme tip of the 

 four posterior tibiae black ; front metatarsi about one-fourth longer 

 than their tibias. Wings hyaline ; anal angle only feebly indicated. 

 Length 2-1h mm. 



Orthocladius. 



Van der Wulp, Tijdscbr. voor Entotu., xvi., Ixx., 1874. 



1. Orfhocladlus dehllls, n. sp. (PI. IX., fig. oi, wing.) 



$. Red or reddish-yellow. Plumosity of the antennas brownish- 

 black. Mesonotum with three shining brown spots or stripes, 

 narrowly separated. Abdomen slender ; each segment with a 

 broM'n posterior band. Legs yellow ; front femora brown on the 

 distal end ; front tibife light yellow on the proximal half or two- 

 fifths, dark brown on the distal portion, about one-third longer 

 than the corresponding metatarsi ; front tarsi infuscated ; the four 

 posterior femora somewhat infuscated distally. Wings hyaline. 

 Length 2|-.3 mm. 



Tanypus. 

 Meigen, lUiger's Mag., ii., 2G1, 1803. 



1. Tanyjnts Jiaveolus, n. sp. 



$. Posterior forked cell not petiolate ; wings hairy; front 

 metatarsi nearly as long as their tibias. Light yellow ; antenna3 

 brownish, the plumosity grey ; abdomen somewhat infuscated to- 

 ward the tip ; legs light yellow throughout, with rather abundant 

 light yellow hair ; wings hyaline, clothed moderately densely with 

 grey hair. Length 1 ^-2 mm. 



