106 



MYCETOPHILID.E. 



veins brown, all bearing a microscopic row of bristles ; lower 

 branch of 4th longitudinal vein not reaching wing-margin ; upper 

 branch of 5th obliterated at base. Halteres pale yellow. 



Length 3-3| millim. 



Described from one male and three females in the Indian Museum 

 collection, from Madhupur, Bengal, 13. ix. 09, 15.x. 09 (Paiva) ; 

 Calcutta, 18. vii. 08 {Anncmdcde) ; and Peradeuiya, Ceylon, 14-16. 

 vii. 10 (Gravely). 



60. Rhymosia humeralis, sp. no v. 



c5' . Considerably resembling li. annullcomis, the differences 

 being as follows : — 



Head with the vertex more blackish. Thorax with the dorsum 

 rather darker brownish yellow and the anterior corners livid 

 yellowish white ; scutellum lighter ; metapleurre blackish. Bristles 

 apparently similar but hardly as strong. Abdomen with the 1st, 

 4th, 5th, and 6th segments dark brown, with very narrow pale 

 yellow hind margins ; the 2nd and 3rd segments yellow ; belly 

 dark brown, posterior margins of all segments pale yellow. 



Length 2| millim. 



Described from a single male, from Sylhet, 3. ii. 05 (Lt.-CoL 

 Hall) ; in the Indian Museum. 



61. Rhymosia fascipes, sp. nov. (PI. Ill, fig. 12.) 



(S . Head : vertex black with coarse yellow hairs ; a yellowish 

 transverse ridge across the frons immediately above the antennae, 

 reaching from eye to eye. Pace yellow, palpi brownish yellow. 

 Antennoe brownish yellow, tips of all the flagellar joints dark 

 brown. Thorax bro^vnish yellow, with rather long yellow rough 

 hairs, more bristly near the margins ; anterior margin of dorsum 

 and along the sides about as far as the wing, paler, yellowish 

 grey ; three indistinct broad darker brown stripes of the usual 

 pattern are visible but not conspicuous. Scutellum yellowish, a 

 little obs(nire on the dorsum ; metanotum shining blackish browii, 

 sides of thorax yellowish, pleurae blackish, metapleurse yellowish. 

 Abdomen blackish ; 1st segment mainly, 2nd on basal half, 3rd 

 narrowly at base, yellowish ; the whole abdomen with short 

 yellow pubescence. Genitalia very complex ; a narrow pointed 

 dorsal style ; a two-jointed pair of claspers, the 1st joint of 

 moderate size, obtusely conical, the 2nd flattened, rather wide ; 

 an intermediate pair of fire-tong-like black horny processes, tri- 

 sinuate, and ending in sharp points ; they emerge from below the 

 style and possibly spring from a single basal piece ; below these, 

 and almost below the large claspers also, is a second pair of 

 appendages, ending in finger-like tips ; except the black, tong- 

 like processes, all the genital organs are brownish yellow with 

 yellow hairs. Legs pale yellowish, tarsi barely darker, junction of 



