CHRYSOTOXUM. 263 



borders of the segments fringed with yellow hairs. Legs ferruginous, 

 jtfafe. First, second, and third abdominal bands interrupted. Fern. 

 First abdominal band interrupted. Var. /3, mas. Femora with piceous 

 stripes. Var. y,fcem'. Second abdominal band interrupted. 

 Not rare in the north. (E. S. I.) 



2. lappona, L. s. n. ii. 983. 27 (1767); Fb. ; Mg. ; LI. ; Fin.; 

 Mq. ; Lw. ; Ztt. Nigra, scutello ferrugineo, alls cinereis basi et ad 

 costam fulvis apice fusco-nebulosis, abdomine albo-trifasciato, pedibus 

 ferrugineis. Long. 5-6 ; alar. 12-14 lin. 



Black. Head covered with yellow down on each side in front. Scu- 

 tellum ferruginous. Wings grey, tawny at the base and along the fore 

 border, clouded with brown at the tips. Halteres tawny, with piceous 

 knobs. Abdomen with three narrow white bands , the first slightly in- 

 terrupted. Legs ferruginous. 



Not rare in the north. (E. S. I.) 



3. superbiens, Mir. pr. 2093 (1776). mussitans, Fb. ; Gm. ; 

 Mg. ; Pz. ! fn. 1-15 ; Fin. ; Mq. ; Ztt. Nigra, fulvo-hirta, capite an- 

 tico flavo, antennis rufis, alis subcinereis basi subfulvis ad costam fusco- 

 maculatis. Long. 6-7; alar. 14-16 lin. 



Black, thickly clothed with pale tawny hairs. Head yellow in front. 

 Antennae pale red. Thorax clothed with bright tawny hairs. Wings 

 slightly grey, with a tawny tinge at the base and a large brown spot 

 beneath the middle of the costa. Halteres black, Legs almost bare ; 

 tarsi dark ferruginous beneath. 



Not rare. (E.I.) 



Genus XV. CHRYSOTOXUM. 



CHRYSOTOXUM, Mg. kl. ? (1804) ; LI.; St. F. et Srv. ; Mq. ; Ztt. ; Rdn. ; 

 Ct. ; Lw. Mmca p., L. ; Dg. ; Mir. ; Shr. ; Gf. Syrphus p., Fb. ; 

 Esi. ; Pz. Conops p., Spl. Mulio p., Fb. s. a. ; Fin. Milesia p., 

 Fb. s. a. 



Antenna conjunctim capitis latitudine non breviores, articulo quarto tertii 

 basi inserto, quinto nudo vel pubescente. Ala areola subapicali Integra, 

 lobo axillari distincto, venis subcostali et radiali ad marginem disjunctis. 

 Head semicircular, broader than the thorax ; face vertical, concave ; 

 epistoma with a scapula above the peristoma; peristoma elongate, 

 straitened in front, somewhat curved upwards. Labrum rather large, 

 slightly tapering, narrow in front, notched at the tips. Lingua lanceo- 

 late, rather shorter than the labrum. MaxillaB straight, subulate, 

 curved upwards, shorter than the palpi, clothed with long hairs, 

 rounded at the tips. Palpi shorter than the labrum, longer than the 

 maxilla3, clavate (C. arcuatum) or cylindrical (C.fasciolatum). Labium 

 short, very large. Antenna 5 -jointed, porrect, approximate, com- 



