BRIOPTEUA. 275 



busque albidis, illis cinereo-ocellatis, abdomiue nigricante, femoribus 

 nigro-cinctis. Long. 3^-4 ; alar. 7-8 lin. 



Hoary. Palpi black. Antennae testaceous. Wings whitish, with 

 numerous grey ocelli. Halteres whitish. Abdomen blackish. Legs 

 testaceous ; femora with a black subapical band ; fore femora with a 

 black band before the middle. 



Not rare. (E. S. I.) 



2. cinerascens, Meig. Zw. i. 114. 15 (1818) ; Mcq. ; Zett. ; Gim. ; 

 Staeg.?; Eos. Cinerascens, palpis antennisque nigris, thorace vittis duabus 

 testaceis, pectore et metathorace canis, alis sublimpidis, halteribus tes- 

 taceis, abdominis apice fulvo, pedibus fulvis, femoribus tibiis tarsisque 

 apice fuscescentibus. Long. 3 ; alar. 7 lin. 



Greyish. Palpi and antennas black. Thorax with a testaceous line 

 on each side. Pectus and metathorax hoary. Wings nearly limpid ; 

 no stigma ; veins black, tawny at the base, not pilose. Halteres tes- 

 taceous. Abdomen tawny at the tip. Legs dull tawny ; tarsi towards 

 the tips, and tips of the femora and of the tibia?, brownish. 



Not common. (E.) 



3. imbuta, Meig. Zw. i. 114. 14 (1818); Staeg.; Eos. (V.); Zett. 

 Testacea, gracilis, antenuis apice nigris, alis limpidis, venis albidis apice 

 pilosis. Long. 2|; alar. 6 lin. 



Testaceous, slender. Antenna? black towards the tips. Wings lim- 

 pid ; veins whitish, hairy towards the tips ; no stigma. Legs pale tes- 

 taceous. Meigen and Zetterstedt mention the brown tips of the femora 

 and of the tibia? as characters of E. imbuta ; in the specimen here de- 

 scribed they are wholly pale. 



Rare. (E.) 



4. flavescens, L. Fn. Suec. 1753? (1761); F.; Gmel. ; Lam.; 

 Meig. ; Gim. ; Zett. ; Staeg. ; Eos. lutea, Gmel. Var. lutea, Zett. I. L. 

 Var. divisa, Walk. Flava aut pallide lutea, antennis apice fuscis, alis ad 

 costam flavescentibus venis ciliatis pallide flavis, abdomine piloso non- 

 nunquam vitta dorsali, pedibus testaceis pubescentibus. Long. 2^-3 ; 

 alar. 6-8 lin. 



Pale luteous or yellow. Antennae brown towards the tips. Wings 

 yellowish in front ; veins pale yellow, mostly ciliated. Abdomen pilose, 

 with a sometimes obsolete dorsal stripe. Legs testaceous, pubescent. 



Not rare. (E.) 



5. lutea, Meig. Zw. i. 110. 3 (1818); Mcq.; Gim.; Stseg.; Zett. 

 Lutea, palpis antennisque nigris, alis subcinereis, abdomine fasciis albido- 

 testaceis, pedibus sat validis subpubescentibus, femoribus tibiisque apice 

 fuscescentibus. Long. 2-|-; alar. 6 lin. 



Luteous. Palpi and antenna black. Wings slightly greyish ; veins 

 pale, thickly fringed with pale hairs ; borders ciliated. Abdomen with a 

 whitish-testaceous band on the hind border of each segment. Legs rather 



