I 



CHHYSOTOXUM. 263 



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

 Male. First, second, and third abdominal bands interrupted. Fe77i. 

 First abdominal band interrupted. Far. j3, mas. Femora with piceous 

 stripes. F'ar. y,f6em. Second abdominal band interrupted. 

 Not rare in tlie north. (E, S. I.) 



2. lappona, L. s. n. ii. 9S3. 27 (1767); Fb. ; Mg. ; LI. ; Fin.; 

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

 costam fidvis aj)ice fasco-nehidosis, ahdomine albo-trifasciato, pcdibus 

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



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

 tcUum ferruginous. Wincjs grey, tawny at the base and along the fore 

 border, clouded tcith hroion at the tips. Halteres tawny, with piceous 

 knobs. Abdomen tvith three narrow tohite bands, the first slightly in- 

 terrupted. Legs ferruginous. 



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



3. superbiens, IMh*. pr. 2093 (1776). — mussitans, Fb. ; Gra. ; 

 Mg. ; Pz. ! fn. 1-15 ; Fin. ; Mq. ; Ztt. Ni(/ra, fulvo-hirta, capite an- 

 tico Havo, antennis rufis, alls subcinereis basi subfulvis ad costam fusco- 

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



Black, thiclxhj 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) ; LL; St. F. et Sit. ; Mq. ; Ztt. ; Edn. ; 

 Ct. ; Lw. Miisca p., L. ; Dg. ; Mir. ; Shr. ; Gf. Syrphtis p., Fb. ; 

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

 Fb. s. a. 



Antennee conjunctim, capitis latitudiue non breviores, artictdo quarto tertii 

 basi inserto, quinto nudo vel pubescente. Alee areola subapicali integra, 

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

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

 cpistoma with a scapula above the peristoma ; peristoma elongate, 

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

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

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

 cuiTcd upwards, shorter than the palpi, clothed mth long hairs, 

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

 maxillas, clavate {C.arcuatum) or cylindrical {C.fasciolatum). Labium 

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



