66 ]^. Brunktti : Notes on Oriental Syrphidse. [Vol. II, 



MM Sides of thorax cinereous or grey ; w!tho\it 

 yellow stripe. 

 O Length 13 mm. .. Lon^. 13 mm. nicsolcucus, V\^\^. 



00 Length 9 to 10 mm. 



P Posterior femora incrassated. Long. 10 mm. consors, Wlk. 

 PP Posterior femora only ordinarily thickened. 

 Q 4th abdominal segment with an inverted 



V-mark Long. 9-10 mm. bcngalensis, Wied. 



QO 4th abdominal segment without such 



mark Long. 9-10 mm. r/?f(^7<^r?7'i7/fl/7^s, Wied 



H. aenus, mihi, sp. uov. (PI. xii, fig. 15.; 



$. Ne])al (Soondrijal). Long. iCMimi. 



Head black, face moderately produced, very shining and bare 

 above antenna;, but changing to dull velvet black on vertex with 

 black hair, frontal space narrowing above, ocelli very close to- 

 gether. Face below antenna;, dull black, with, seen from above, 

 silverv grey hair ; a central shining bare black line. Antennae dark 

 brown. Back of eyes with a thin silvery white line, with uni- 

 colorous hair. 



Thoracic dorsum, ash-blue-grey, with two transverse black 

 bands ; one across the centre, and one on the posterior border. 

 Anterior part of thorax cinereous, with two faint, narrow darker 

 bands in centre, which disappear on reaching the ist transverse 

 black band ; whole dorsum covered with short bright yellow hair. 

 Sides of thorax light cinereous grey, with some yellow hair. 

 Scutellum blue ash-grey, basal half black ; entirely covered with 

 bright 3^ellow hair. 



Abdomen aenous, rst segment paler ; 2nd with a rather broad 

 dead black velvet line on base, joined by a stem to a similar band 

 on the posterior border, which, however, is curved upward a little 

 in the middle, clear of the posterior border ; 3rd segment with a 

 central round spot joined to two moderately broad lines which pro- 

 ceed obliquel}^ almost to the posterior corners ; 4th segment with a 

 nearly similar pattern, the oblique lines joining one another in the 

 centre — without being enlarged into a dorsal spot. All these ab- 

 dominal marks dull velvet black. The whole upper surface of the 

 abdomen with rather close, short yellow hair. Belly black. 



Legs : femora black, hind pair more shining, all with yellow hair 

 below ; tibiae and tarsi tawny yellow, with some yellow hair ; hind 

 pair with apical half black. 



Wings pale grey, costal cell absolutely clear, stigma brown, 

 small, veins brownish ; halteres and tegulae pale yellow. 



Descril)ed from one 9 in the Indian Museum collection (Octo- 

 ber). 



It reminds one very much of the European species En stalls 

 sepidchralis, J,., and, more so, of the North American species dnni- 

 diata, Wied., and saxorum, Wied., but is distinctly smaller. 



