278 SYRPHID/E. 



30. f. 6 ; Mq, ; Lw. ; Ztt. Testacea, antennis luteis, thoracis disco 

 cinereo, alis Umpidis, abdominis segmentorum marginibus posticis nigri- 

 cantibus, pedibus fiilvis. Long. 4 ; alar. 8 lin. 



Testaceous. Peristoma very prominent. Mouth piceous. Antennae 

 luteous ; fifth joint pubescent, black, tawny at the base. Disc of the 

 thorax grey above and partly grey beneath. Wings colom-less ; veins 

 black, tawny towards the base. Halteres pale lemon-colour. Hind 

 borders of the abdominal segments blackish. Legs tawny ; tarsi black, 

 ferruginous at the base. 



Not common. (E. S. I.) 



2. conica, Pz. ! fn. Ix. 20 (1815?); Mg. ; Mq. — t/orsa^a ? Ztt. 

 Testacea, alis suhcinereis, abdominis segmentorum marginibus posticis 

 nigris. Long. 4 ; alar. 8 lin. 



Testaceous. Fourth joint of the antennse black. Wings slightly 

 grey ; hind borders of tlie abdominal segments black. Tarsi brown. 



Rare. In the British Museum. (E.) 



Genus XXIIL RHINGIA. 



UniNGiA, Fb. s. i. ii. 460 (1781); LI. ; Pz. ; Fin.; Mg. ; St. F. et 

 Srv. ; Mq. ; Lw. ; Ztt. ; Ct. ; Rdn. Conops p., L. ; Shr. Musca p., 

 Dg. Stomoxgs p., Gm. 



Epistoma productiim, porrectum, conicum, capitis posterioris Jongitudine. 

 AntenncB capitis latitudine conjuuctim breviores ; articulus tertius dor- 

 salis ; quintus pubescens. Alee areola subapicaU integra, lobo axillari 

 distincto, venis subcostali et radiali ad margiuem disjunctis, vena trans- 

 versa prabracliiali ante areolcB discalis medium locata. 

 Head almost semicircular, somewhat compressed in front ; epistoma 

 slightly impressed, drawn out into a liorizontal cone, as long as the rest 

 of the head; peristoma very narrow. Eyes bare; all the facets small. 

 Labrum narrow, long, thin, curved, trilobed at the tip. Lingua thin, 

 acute, trans])arent, setiform, almost as long as the labrum. Maxillae 

 slender, setiform, acute, as long as the lingua, longer than the palpi. 

 Palpi filiform, somewhat clavate and hairy at the tips, half the length 

 of the labrum. Labium semicylindrical. Antenna; 5-jointed, porrect, 

 nutant, jointly shorter than the breadth of the head, seated on the 

 epistoma ; first and second joints of equal length ; first small ; second 

 larger, cyathiform ; third conical ; fourth very short, seated on the base 

 of the third ; Mi\\ pubescent, setiform. Thorax convex, pubescent; 

 scuteUum semicircular. Wings lanceolate, finely pubescent, inciunbent 

 and parallel in repose, extending beyond the abdomen ; siibapical 

 areolel entire ; axillary lobe distinct ; subcostal and radial veins ending 

 separately in the uiargin ; Iransverse pr(cbrachial vein placed before the 



