352 Mr. E. E. Austen on new 



Rhinomyza concinna, sp. n. 



$ . — Length (1 specimen) 12 mm. ; width of head 4 mm. ; 

 width of front at vertex 0*6 mm. ; length of wing 12 mm. 



Dorsum of thorax cinnamon-coloured, yellowish-pollinose, 

 with a pair of ill-defined, ochraceous-buff, admedian, longi- 

 tudinal stripes, and a dark brown, median, longitudinal stripe, 

 commencing just before level of transverse suture, very narrow 

 for about 15 mm. and then suddenly expanding into an oblong 

 blotch reaching hind margin ; on each side of dorsum of thorax 

 an elongate dark brown mark, between humeral callus and base 

 of icing ; dorsum of abdomen orange-buff, darker towards 

 distal extremity, last three segments mainly chestnut-brown, 

 first segment with a narrow clove brown band of nearly uniform 

 depth on hind border, second segment with an irregular clove- 

 brown triangle on hind border, each lateral extremity of which 

 is connected with one of a pair of clove-brown transverse 

 blotches, one of which is situated on each side of third segment ; 

 wings not quite hyaline {faintly tinged with sepia), with con- 

 spicuous mummy-brown markings. 



Head buff-yellow (occipital region smoke-grey), frontal 

 callus ochraceous, shining central portion of face tawny- 

 ochraceous, ocellar spot and a quadrate median spot immedi- 

 ately above lower margin of face clove-brown ; under surface of 

 head clothed with ochraccous hair ; palpi tawny, terminal joint 

 clothed on outer side with minute, appressed, black hairs ; 

 antenna tawny-ochraceous, first and second joints clothed 

 with minute blackish hairs, upper angle of second joint much 

 produced, third joint long and slender, darker towards distal 

 extremity and end of last annulus brown, but (in typical 

 specimen at any rate) no sharply denned clove-brown or 

 black tip to third joint, upper branch of third joint much as 

 in Rh. denticornis, "Wied., not remarkably elongate, and only 

 about half the length of upper branch in case of foregoing 

 species. Thorax : dorsum clothed with short buff-yellow 

 hair (on lateral dark brown marks with brown hair) ; pleurae 

 buff pollinose, clothed with yellowish-white hair ; pectus 

 dark brown, grey pollinose. Abdomen (dorsal surface) : first 

 segment clothed with ochre-yellow hair, second and following 

 segments cloth' d for most part with minute, appressed, 

 blackish hairs, sides of second segment also with ochre- 

 yellow hair ; clove-brown band on first segment somewhat 

 narrower at each side, apex of triangle on secoud segment 

 reaching to about the middle, clove-brown blotches on third 

 segment somewhat triangular in shape (at any rate in typical 

 specimen), base of each triangle resting on lateral margin of 



