ERISTAHS. 1 87 



Venter orange, tip and traces of a median stripe black. Legs 

 mainly blackish or dark brown ; tips of anterior femora ratlier 

 broadly, of hind pair narrowly, orange or yellowish ; front tibia? 

 on about basal half, middle pair nearly wholly and base of hind 

 pair nari'owly, orange or yellowish. Tarsi blackisli-brow n, gene- 

 rally about two basal joints orange. Pubescence of legs maiidy 

 yellowish or whitish, darker on tips of tarsi. Win<is almost 

 colourless; stigma pale brownish-yellow, its inner end deeper and 

 well marked ; halteres yellowish. 



Len(/th, 10-1;^ mm. 



Described from a 6 from Peshin (iv. 190;}) and a $ , Quetta 

 (v. 1903), both taken by Col. Nurse ; and from a long series of 

 both sexes in the British Museum, from localities ranging from 

 the Canary Islands, througli Abyssinia to Khartoum, Phodesia, the 

 Transvaal and Natal. The specimens from the Indian localities 

 have a more greyish or dusty appearance than the more normal 

 South African ones. The species is also tolerably con)mon round 

 the shores of the Mediterranean, and recorded from Asia Minor 

 and Arabia. 



2'il2>e in Wiedemann's collection. 



149. Eristalis quinquestriatus, Fahr. (PI. IT, hgs. 11-1-i.) 



Syrjjhus quinquestriatus, Fabricius, Eut. Syst. iv, p. 289 (1794) ; id., 



8yst. Antliat. p. 245 (1805). 

 Eristalis quinquestriatus,^Xiedemam\, Auss. Zweitl. ii, p. 187 (1830) ; 



de Moijere, Tijd. v. Ent. li, p. 245 (1908). 

 Eristctlis'resepus',\y{i\\ier, List Dipt. IJrit. JNIu?. iii, p. 625 (1849). 

 Eristiilis quinqimrittatus, Macquart, Explor. Algorie, Zool. iii, 



p. 4(55, pi. iv, iig-. 10 (1849). 

 Erista^omyiapicta,^^vgoi,i\^\l\. Soc. Ent. lM-ance,(5) x, p. 219 (1880). 

 Syrphus meyncejjhalus , llossi, Mant. Ins. ii, p. 63, pi. v, tig. L (1794). 



cJ § , Head in c? with eyes unstriped but with minute black 

 spots, especially on under side ; contiguous for a little greater 

 distance than in (juinqnelineatus, P., finely and shortly pubescent 

 on uppei' aiul front part ; the vertical triangle smaller. Prons and 

 face with yellowish-grey tomontum (except on the face just below 

 antennae, where it is whitish) and concolorous pubescence, but in 

 some specimens some brow n hairs occur on upper parr of frons. 

 No median strijie, but extreme anterior edge of central bump 

 narrowly blacl;, with •Avery narrow stripe (almost a trace only) on 

 each side, curved on U])per ])art ; lower part of head as in fjuiurjue- 

 lineatus, iKit distinctly h\ss i)romincnt. Antenna} and bare arista 

 all hrowmsh-orange, tip of 3rd joint narrowly l)]ackish ; rest as in 

 qiiinqutlineatus S • In $ , frons one-third of liead at base of an- 

 tetuiie ; eyes more spotted than in S «ind bare throughout, except 

 for a very little pubescence on upjier side ; frons l)lackish towards 

 vertex, and willi a brownish irregular transverse band just ai)ove 

 middle; the whole frons with dark brown iiairs ; rest as in 6- 

 Thorax nuud) as in ijiiiiiqiielineatun, but dnrsinn much more 

 yellowish and the black stripes very shining ; pubescence very tine, 



