272 SYRPHIDjE. 



8. flavitarsis, Mg. zw. iii. 248. 44 (1822) ; Mq. ; Ztt. Nigro-cy- 

 anea, antennis nigris, alls fusco-cinereis, abdomine fulvo-biguttato, pe- 

 dibus nigris, tarsisflavis. Long. 2|- ; alar. 5 lin. 



Black. Body punctured. Head and thorax bluish-black; third 

 joint of the antennae linear, slender, conical at the tip, much longer and 

 a little broader than the first and the second joints. Wing grey, with 

 some indistinct brown streaks beneath the stigma, which is brown. 

 Halteres pale yellow. A very small round tawny spot on each side of 

 the second segment of the abdomen; underside yellow towards the 

 base. Tarsi yellow, with pitchy tips; anterior knees tawny; hind 

 knees ferruginous. 



Not common. In the collection of the Entomological Club. 

 (E. 8.) 



9. lugubris, Fb. s. i.ii.431. 50 (1781) ; Shr.;Mg. ; St.F.etSrv.; 

 Mq. ; Ztt. mcesta, Gm. lugubris, Shr. ; Fb. Nigra, alls subdnereis 

 basifuscis fusco-semifasciatis. Long. 3^-4 ; alar. 7^-8. 



Black. Wings pale grey, brown at the base, and with a large dark 

 brown spot extending from the stigma beyond the middle of the disc; stig- 

 ma dark brown. Halteres pale yellow. Knees ferruginous. Tarsi 

 piceous, ferruginous beneath. 



Not rare. (E.) 



10. melancholica, Mg. zw. iii. 251. 20 (1822). Nigro-cyanea, 

 antennis articulo tertio fusiformi, alis cinereis indistincte semifasciatis, 

 tarsis fulvis, metatarsis posticis nigris. Long. 2^-3; alar. 5-6 lin. 



Male and Female. Bluish-black. Antennae with the third joint 

 fusiform, not much broader than the second. Wings grey, a large inde- 

 finite dark grey spot extending from the stigma to the middle of the 

 disc ; stigma yellowish-brown ; veins black. Halteres yellow. Knees 

 and tarsi tawny; the tarsi somewhat piceous above; hind metatarsi 

 black. 



Not common. (E.) 



11. vitripennis? Mg. zw. iii. 254. 29(1822); Mq. Nigra, an- 

 tennis subtus ferrugineis, alis subdnereis, abdomine subtus fuscescente, 

 genubus tarsisque fulvis. Long. 2^-2f; alar. 5f-6 lin. 



Black, clothed with hoary hairs. Body punctured. Antennae ferru- 

 ginous beneath. Wings pale grey; stigma pale brown. Halteres 

 pale yellow. Abdomen yellowish-brown beneath. Knees and tarsi 

 tawny ; anterior tibiae tawny at the base and at the tips. 



Not rare. (E.) 



12. virens, Fb. s. a. 186. 12 (1805); Mg.; St.F. et Srv. ; Mq. 

 campestris, Fin.; Ztt. geniculata, Ct. b. e. 593. Nigro-csnea, capite 

 nigro-chalybeo, antennis piceis, alis fusco-subcinereis, tarsis anterioribus 

 basi genubusque fulvis. Long. 2| 3 ; alar. 5-5^ lin. 



.ZEneous-black, clothed with hoary hairs. Body punctured. Third 



