SYRITTA. 253 



rately in the margin; transverse prcebrachial vein placed beyond the 

 middle of the discal areolet. Hind femora thick, compressed at the 

 tips, armed beneath with an annular ridge ; hind tibia? stout, curved. 

 Male. Eyes contiguous. Abdomen somewhat obclavate, furnished at 

 the tip beneath with two short appendages, and with two fascicles of 

 curved hairs. Fem. Eyes approximate. Abdomen nearly cylindrical. 



1. milesiformis, Fin. syrph. lii. 5 (1816); Mg. ; Mq. ; Lw. ; 

 Ztt. rufomaculata, Ct. ! b. e. 401. Nigra, antennis piceis articulo se- 

 cundo ferrugineo, alis subcinereis, abdornine luteo basi apice vittaque 

 dorsali nigris, pedibus fulvis, tibiis apice femoribusque anterioribus pe- 

 dibusque posticis piceis. Long. 3^-4 ; alar. 7-8 lin. 



Black. Head yellow about the peristoma. Antennae piceous ; second 

 joint ferruginous. Wings slightly grey. Halteres yellow. Abdomen 

 luteous ; base, tip, and dorsal stripe black. Legs tawny ; hind legs 

 piceous ; anterior femora piceous, with tawny tips ; anterior tibias 

 piceous towards the tips. 



Hare. (E.) 



Genus IX. SYRITTA. 



SYRITTA, St. F. et Srv. enc. x. 808. (1825); Mq. ; Mg. zw. vii. ; 

 Ztt. ; lldn. Musca p., L. ; Dg. ; Shr. ; Gf. ; Gm. Conopsp., Spl. 

 Syrphus p., Fb. ; Pz. Milesia p., Fb. ; LI. ; Fin. Xylota p., Mg. 

 Coprina, Ztt. i. 1. 



fyi.yfoma carinatum. Antennae capitis latitudine conjunctim breviores ; 

 articulus quartus doraalis, quint tix nudus. Scutellmn depressum, acutum. 

 Areola subapicalis Integra ; lobus axillaris distinctus ; vence subcostalis 

 et radialis ad maryinem disjunctce ; vena transversa pr&brachialis ad 

 vet tram medium areola discalis locata. Femora postica acie arcuata 

 armata. 



Body rather narrow, convex. Head semicircular ; epistoma keeled. 

 Maxilla? much longer than the palpi. Palpi almost clavate, not half the 

 length of the labmm, somewhat bristly towards the tips. Antenna 

 jointly shorter than the breadth of the head ; fourth seated on the third, a 

 little before the middle ; sixth setiform, bare, long. Thorax subqua- 

 drate, slightly rounded; scutellum semicircular,^^, with a sharp edge. 

 Wings narrow, incumbent and parallel in repose ; subapical areolet 

 entire ; axillary lobe distinct ; subcostal and radial veins ending sepa- 

 rately in the margin ; transverse precbrachial vein placed at or beyond 

 the middle of the discal areolet. Abdomen linear, cylindrical, narrower 

 than the thorax. Hind femora thick, armed beneath with a curved ridge ; 

 hind tibise stout, curved. 



1. pipiens, L. f. s. 1822(1761); Dg. ; Fb. ; Spl.; Shr.; Gf. ; 



