162 sykphiDjE. 



yellowish-grey, more whitish at sides, black ou hind margins of 

 3rd and 4th segments ; genitalia rather large, ronnded, mostly 

 concealed, greyisli-black. Venter black, pubescence pale ; hind 

 margins of segments narrowly orange. In 2 , abdomen feneous, 

 dull on disc of 1st segment, on a large X-shaped spot on '2nd 

 segment, and on a dorsal line on basal half of 3rd segment. 

 Pubescence sliort and whitish at sides, yellow on disc but black 

 on hind margins of 3rd and 4tli segments. Legs black ; knees 

 and often base of anterior tarsi more or less orange; pubescence 

 mainly yellowish, longest on basal two-thirds of hind femora, 

 blackish on apical third ; short black pubescence on hind side of 

 anterior tibife and on basal half of hind tibise. In 5 the orange 

 colour is a little more extensive. Wings nearly clear, especially in 

 5 ; stigma very small, dark brown ; halteres and squamae yellowish. 



Length, 8-9 mm. 



Described from Indian Museum specimens from Kashmir and 

 China, with additional notes from Verrall's description of British 

 examples. Shanghai, l.v.1906; Hankow, 22-26.iv.l906 {Branetti). 

 Widely spread in Europe. 



129, Eristalis taphicus, Wied. 



Eridalis taphicus, Wiedemann, Aus.s. ZweiH. ii, p. 11)1, $ (18o0). 

 Eristalis rideiis. Walker, List Dipt. Brit. Mas. iii, p. 610, $ (1849). 



c? 5 . Head : eyes in S contiguous for less than half the dis- 

 taiice from vertex to frons, front facets slightly larger than the 

 rest ; vertical triangle and upper part of eyes with yellowish-grey 

 pubescence. Frons and face with yellowish-grey tomentum, the 

 former with longer yellowish liairs also, latter with inconspicuous 

 very fine white hairs; face very slightly produced diagonally" for- 

 wards and not at ail below eyes themselves in profile. Antennal 

 prominence shining brown, upper margin sometimes bright yellow; 

 antenna! 1st and 2nd joints black, 3rd reddish-brown, upper side 

 black; arista bare, reddish-brown. Central bump shining black, 

 bare, small ; mouth-border black, bare, except for a little grey dust 

 in the centre. Occiput grey-dusted, extreme side margins shining 

 white; bright yellow pubescence on lower part of head. In 5, 

 frons barely one-tifth of head at vertex, sides parallel on upper 

 part, gradually separating towards level of anteniue ; face also 

 gradually widening to its lowest margin. Frons shining black, 

 densely pubescent, covered witli j^ellowish-grey tomentum and 

 rather dense concolorous pubescence. Face covered with white 

 tomentum and pubescence. Thorcuv : dorsum grey, with four 

 subequal, nearly contiguous, longitudinal, black stri])es, narrowed 

 on anterior margin and often more or less united on hind margin ; 

 whole surface with dense yellowish-brown pubescence. IScutelhim 

 {ieneous,with dense yellowish-brown pubescence. Pleura moderately 

 dark ash-grey, with pale yellowish-white pubescence. Abdomen 

 shining seneous, minutely punctate, with dense pubescence, which 

 is mainly brownish but more whitish towards and on sides and 



