MYCETOPHILID.E. 



22. Platynra flavomarginata, sp. nov. 



cJ. Head black, palpi yellow, scape, base of 1st flagellar joint, 

 and underside of one or two succeeding joints, brownish yellow, 

 rest of flagellum black. Thorax dark, moderately shining 

 mahogany -brown, with a little grey dusting viewed from certain 

 directions ; indistinctly marked with three stripes ; lateral 

 margins a little brown, shoulders yellow. Scutelluin, metanotum, 

 and pleura? dark brown. Abdomen black, pubescent, posterior 

 margins of segments rather broadly yellow, 1st segment and 

 tip wholly black. Belly similar. Genitalia distinct, black, hairy, 

 having a pair of pointed claspers and a smaller yellow internal 

 organ. Legs pale yellowish, tibia? brownish yellow, tarsi black. 

 Wings pale yellow; halteres brownish yellow. 



Length 4% millim. 



Described from a single male in the Indian Museum from 

 Naini Tal, 6000 feet, 3. vi. 09. 



23. Platyura fnmipes, sp. nov. 



Head yellowish. Proboscis blackish above at the base. Frons 

 shining dark brown, with a median impressed line ; back of head 

 still darker brown. Antennal scape yellow, flagellum wholly 

 black. Thorax : prothorax yellow, distinctly delineated from the 

 rest of the thorax, which is blackish. Black hairs on the yellowish 

 shoulders. Dorsuin dark grey, with rather thick but short black 

 hairs ; the usual three black stripes, a little indistinctly outlined 

 but easily visible when seen from behind. Viewed from in front 

 the dorsurn appears mainly light grey. Sides of thorax blackish, 

 with a slight grey reflection. Abdomen blackish, with short pale 

 hairs, posterior borders of segments distinctly but not widely pale 

 yeUowish. Belly similar. Legs : coxae brownish yellow, with a 

 short blackish streak at the tip, on anterior side on the fore pair, 

 on outer side on posterior coxse. Femora dirty yellow, a little 

 black at the base and tips, especially on the hind pair. Tibia? and 

 tarsi pale smoky yellow. Wings grey ; veins very distinct, black, 

 venation normal. Halteres brownish yellow. 



Length 8 millim. 



Described fron one male from Peradeniya, Ceylon, 22. vii. 10. 



Type in the Indian Museum. 



Genus ISONEUROMYIA, gen. nov. 



This genus approximates most closely to Platyura. The 

 characters are as follows : 



Head : antennae considerably flattened, rather more so than in 

 Platyura, scapal joints cup-shaped, subequal ; the fourteen flagellar 

 joints subequal, the last one a little longer, the first much narrowed 



