PSILOTA. 269 



Genus XVIII. PSILOTA. 



PSILOTA, Mg. zw. iii. 256 (1822) ; LI. ; St. F. et Srv. ; Mq. ; Ztt.; Bdn. 



Epistoma vix elongatum, ad os prominens. Antennae capitis latitudine 

 conjunction breviores, basi contigua, articulo quarto dorsali, quinto 

 nudo. Alae areola subapicali Integra, lobo axillari distincto, venis 

 subcostali et radiali ad marginem disjunctis, vena transversa praebra- 

 chiali ante areola discalis medium locata, vena transversa inferiore 

 recta. 



Body hairy. Head semicircular ; epistoma smooth, convex, but little 

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

 distinct scapula above the peristoma. Eyes hairy. Antenna 5- 

 joiiiied, jointly shorter than the breadth of the head, pubescent, porrect, 

 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 ; scutellum slightly transverse, almost semicircular. Wings finely 

 pubescent ; subapical areolet entire ; axillary lobe distinct ; subcostal 

 and radial veins ending separately in the margin ; transverse prabrachial 

 vein placed before the middle of the discal areolet ; lower transverse vein 

 straight. 



1. anthracina, Mg. ! zw. iii. 256. 1. pi. 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 grey. Fore 

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

 the base. 



Rare. In Mr. Stephens's collection. (E.) 



Genus XIX. PIPIZA. 



PIPIZA, Fin. syrph. (1816); Mg. ; St. F. et Srv. ; Mq. ; Ztt.; Edn. 

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

 Mulio p., Fb. Milesia p., LI. 



Epistoma vix elongatum, recte descendens. Antenna capitis latitudine con- 

 junctim breviores, articulo quarto dorsali, quinto pubescente. t Alts 

 areola subapicali Integra, lobo axillari distincto, venis subcostali et 

 radiali ad marginem dujunctis, vena transversa prabrachiali 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, trifid at the tip. Lingua 



