278 



SYRPHID^. 



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

 cinereo, alls limpidis, abdominis segmentorum marginibus posticis nigri- 

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



Testaceous. Peristoma very prominent. Mouth piceous. Antenna? 

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

 thorax grey above and partly grey beneath. Wings colourless; 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. dorsata? Ztt. 

 Testacea, alls subcinereis, abdominis segmentorum marginibus poslicis 

 nigris. Long. 4 ; alar. 8 lin. 



Testaceous. Fourth joint of the antenna black. Wings slightly 

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



Rare. In the British Museum. (E.) 



Genus XXIII. RHINGIA. 



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

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

 Dg. Stomoxys p., Gm. 



Epistoma productum, porrectum, conicum, capitis posterioris longitudine. 



Antenna capitis latitudine conjunctim breviores ; articulus tertius dor- 



salts ; quintus pubescens. Alee areola subapicali Integra, lobo axillari 



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



versa prabrachiali ante areolce discalis medium locata. 



Head almost semicircular, somewhat compressed in front ; epistoma 



slightly impressed, drawn out into a Jtorizontal 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, transparent, setiform, almost as long as the labrurn. Maxillaa 



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 sJwrter than tJie 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; fifth pubescent, setiform. Thorax convex, pubescent; 



scutellum semicircular. Wings lanceolate, finely pubescent, incumbent 



and parallel in repose, extending beyond the abdomen ; subapical 



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



separately in the margin ; transverse prcebrachial vein placed before the 



