594 LIST OF DIPTERA. 



wings colourless ; wing-ribs and poisers tawny ; veins black, tawny 

 towards the base. Length of the body 4 lines ; of the wings 7 lines. 



a. New Zealand. Presented by Dr. Sinclair. 



Syrphus Bacchides, n. s., fern. jEneo-viridis, capite thoracis late- 

 ribus scutelloque flavis, abdomine nigro, basi fasciis duabus 

 dorsi vittisque nonnullis apicis flavis ornato, pedibus fulvis, alis 



Allied to S. geminatus. Head yellow, with a bright coppery 

 stripe on the crown : mouth and feelers tawny : eyes red: chest and 

 breast coppery green, clothed with short black hairs ; sides and 

 scutcheon yellow, disk of the latter tawny : abdomen black, yellow 

 at the base, and from thence to the middle on each side adorned 

 with two yellow bands, the second band is slightly arched and 

 broader than the first ; on the last segment but one there are four 

 stripes, of which the inner pair are narrow and straight, the outer 

 pair are broad and oblique ; the last segment is adorned with four 

 straight stripes, of which the side pair are broader than the inner 

 pair : legs pale tawny ; feet and hind legs shaded with darker co- 

 lour : wings colourless ; wing-ribs and poisers tawny ; veins black. 

 Length of the body 3 lines ; of the wings 5 lines. 



a. Florida. Presented by E. Doubleday, Esq. 



Sericomyia, Meigen. 



Sericomyia borealis, Meig. Dipt. iii. 343, 2, pi. 31, /. 9. Macq. 



Hist. Nat. Dipt. i. 496, 3. Zett. Ins. Lapp. 590, 1. Musca 



lappona, Deg. Ins. vi. 61, 6, pi. 8,f. 14. Musca silentis, Harr. 



Ex. 89, pi. 15,/. 14. Sericomyia lapponum, Latr. Gen. Crust. 



iv. 322. Syrphus borealis, Fall. Syrph. 20, 7. 

 a. England. 

 b. ? From Mr. Children's collection. 



Sericomyia lappona, Latr. Gen. Crust, iv. 322. Cons. Gen. 443. 

 Meig. Dipt. iii. 344, 3. Macq. Hist. Nat. Dipt. i. 496, 4. 

 Zett. Ins. Lapp. 590, 2. Musca lappona, Linn. Syst. Nat. ii. 

 983. Faun. Suec. 1794. Gmel. Ed. Syst. Nat. v. 2867, 27. 

 Syrphus lapponum, Fabr. Sp. Ins. ii. 422, 4. Ent. Syst. iv. 

 280, 7. Syst. Antl. 226, 7. Fall. Syrph. 208. 



a. England. 



b. France. 



c. ? From Mr. Children's collection. 





