PSILOTA. 269 



Genus XVIII. PSILOTA. 



PsiLOTA, Mg. zw. iii. 256 (1832) ; LI. ; St. F. et Srv. ; Mq. ; Ztt.; Edii. 



Ejiistoma vix elongatmu, ad os prominens. Antennce capitis latitudine 

 conjiinctim hreviores, basi contiguce, articido quarto dorsali, quinto 

 niido. Aim areola subupicali integra, loho axillari distincto, venis 

 suhcostali et radiali ad marginem disjunctis, vena transversa prmhra- 

 cJiiali ante areolae discalis medium locata, vena transversa ivferiore 

 recta. 



Body hairy. Head semicircular ; epistovia smootli, convex, Init little 

 elongated horizontally, protuberant towards the mouth, with a little in- 

 distinct scapula above the peristoma. Eyes hairy. A)ttenncB 5- 

 jointed, yo/y/^/y shorter than the breadth of the head, pubescent, porrcct, 

 nutant, inserted above the middle of the face, close together at the base ; 

 third joint subfusiform, compressed ; fourth extremely shortened, seated 

 on the base of the third ; fifth bare. Thorax convex, as broad as the 

 head ; scateUum slightly transverse, almost semicircidar. Wings finely 

 pubescent ; subapical areolet entire ; axillary lobe distinct ; subcostal 

 and radial veins ending separately in the margin ; transverse prabrachial 

 vein 2}laced before the middle of the discal areolet ; loicer transverse vein 

 straight. 



1. anthracina, Mg. ! zw. iii. 256. 1. pL 29. f. 20 (1822); Mq. 

 Nigra, capite nigro-cyaneo, alis cinereis, tarsis basi flavis, tarsis an- 

 ticis basi genubusque luteis. Long. 2 ; alar. 5 lin. 



Black, shining, pubescent. Head bluish-black. Wings gi'ey. Fore 

 tarsi towards the base and knees lutcous ; hinder tarsi yellow towards 

 the base. 



Rare. In Mr. Stepliens^s collection. (E.) 



Genus XIX. PIPIZA. 



PiPiZA, Flu. syrph. (1816); Mg. ; St. F. et Srv, ; Mq. ; Ztt.; Rdn. 

 Musca p., L. ; Gm. Sgrphis p., Fb. ; Pz. Eristalis p., Fb. s. a. 

 Midio p., Fb. Milesia p., LI. 



Epistoma vix elongatum, rectedescendens. Antenna: capitis latitudine con- 

 junctim breviores, articulo quarto dorsali, quinto pubescente. AIcb 

 areola subapicali integra, lobo axillari distincto, venis snbcostali et 

 radiali ad marginem disjunctis, vena transversa prcBbrachiali ante 

 areola discalis medium inserta. 



Body punctured. Head semicircular ; crown smooth, shining ; 

 front projecting, almost conical ; epistoma pubescent, but little elongated 

 horizontally, descending straight ; peristoma small, oval, not inclined 

 upwards. Eyes hairy. Labrum short, stout, tritid at the tip. Lingua 



