206 sYiU'HiD.i:. 



162. Helophiliis seneus, Bnm. (nom. emend.). (PI. V, fig. 8.) 



Ilelip/tilus a'enus, Brunetti, Rec. Ind. Miis. ii, p. 06 (1908), and i, 

 pi. xii, fig. 15, full ins. (1907). 



5 . Head black, face moderately produced, very shining and 

 bare above antennos, but changing on vertex to dull velvet-black 

 with black hair, frontal space narrowing above, ocelli very close 

 together. Face below antennae dull black, with (seen from 

 above) silvery-grey hair ; a central shining bare black line. 

 Antennae dark brown. Back of eyes with a thin silvery-white 

 line, with unicolorous hair. Thoracic dorsum blue-ash-grey with 

 two transverse black bands, one across the centre and one on the 

 posterior border. Anterior part of thorax cinereous, with two 

 taint, narrow, darker stripes in .centre, which disappear on reaching 

 the 1st transverse black band ; whole dorsum covered with short 

 bright yellow hair. Sides of thorax light cinereous-grey, \\ith 

 some yellow hair. Scutellum blue-ash-grey, basal half black ; 

 entirely covered with' bright yellow hair. Abdomen aeneous, 1st 

 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 band, however, is curved upward a little in the middle, clear 

 of the actual hind margin; 3rd segment with a central round spot, 

 joined to two moderately broad lines which proceed obliquely 

 almost to the ])osterior 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 

 abdominal marks dull velvpt-black. The whole upper surface of 

 the abdomen with rather close, short, yellow hair. Venter black. 

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

 below ; tibios and tarsi tawny-yellow, with some yellow hair ; hind 

 ]}air with apical half black. Wings pale grey, costal cell absolutely 

 clear, stigma brown, small, veins brownish ; halteres and tegulae 

 pale yellow. 



Length, 10 mm. 



Described from one 2 in the Indian Museum collection ; 

 Soondrijal, Nepal (October). It reminds one very much of the 

 European species Eristalis sepulchralis^ L. 



16-3. Helophilus curvigaster, Macq. 



Helophilus curvifjaster, Macquart, Dipt. Exot. ii, 2, p. 62, pi. xi, 

 fig. 1 (1842) ; de Meijeve, Bijd. tot Dierk. p. 99 (1904) ; id., Tijd. 

 V. Ent. li, p. 232 (1908). 



c? . Head : eyes bare, contiguous only at a point ; vertex dull 

 black, black-haired. Frons and epistome with dense white pubes- 

 cence and a narrow shining black median stripe, which does not 

 reach the antenna^; latter black with yellowish arista. Only 

 inimediatelv above the antennal prominence is the frons shining 

 black. Thorax: dorsum blackish-brown with rather dense but 



