LIST OF DIPTERA. 633 



Eristalis flavipes, Barnstoris MSS., mas. et fern. Niger, pilis 

 fulvis vestitus, abdomine nigro hirto, basi lateribus fulvo fascicu- 

 latis, antennis piceis, pedibus nigris, tarsis anticis piceis inter- 

 mediis fulvis posticis rufis, alis subfuscis disco nigro-fuscis apice 

 limpidis. 



Body black : head clothed with pale tawny hairs : mouth 

 black : feelers pitchy ; bristle ferruginous, feathered, black towards 

 the tip : eyes bronzed or pitchy ; each with a stripe of short black 

 hairs; all the facets very small: chest and breast very thickly 

 clothed with pale tawny hairs : abdomen short-obconical, much 

 broader and a little longer than the chest, clothed with black hairs, 

 adorned on each side of the tip with a tuft of pale tawny hairs : legs 

 black, clothed with short black hairs ; foot-cushions tawny ; claws 

 black, tawny at the base ; fore feet pitchy ; middle feet tawny, with 

 black tips; hind feet pale red, with black tips: wings of the male 

 colourless ; wings of the female tinged with brown from the base to 

 the middle, where they are dark brown, colourless thence to the tips; 

 wing-ribs and veins pitchy, the latter ferruginous towards the base ; 

 poisers tawny. Length of the body 5 — 6 lines ; of the wings 

 10—12 lines. 



Var. /3. Thor ace flavo-piloso, abdomine fulvo piloso basique pilis 

 fiavis vestito, pedibus nigris, tarsis posticis fulvis. Chest and sides of 

 the breast very thickly clothed with yellow hairs : back of the abdo 

 men very thickly clothed with bright tawny hairs, and at the base 

 with pale yellow hairs: legs black; four front feet dull tawny 

 beneath ; hind feet bright tawny, with black tips. 



a. St. Martin's Falls, Albany Eiver, Hudson's Bay. Presented by 



G. Barnston, Esq. 



b. Nova Scotia. From Lieut. Redman's collection. 



Eristalis floreus, Fabr. Syst. And. 233, 9. Meig. Dipt. iii. 399, 

 21. Macq. Hist. Nat. Dipt. i. 504, 10. Musca florea, Linn. 

 Syst. Nat. ii. 984. Faun. Suec. 1796. Gmel. Ed. Syst. Nat. 

 v. 2868, 29. Deg. Ins. vi. 46, 2, pi. 6, /. 2. Schrank, Faun. 

 Boic. iii. 2426. Schceff. Icon. pi. 54, /. 11. Stew, EL ii. 

 264. Turt. iii. 639. M. ablectus, Harr. Ex. 41, pi. 10, 3, f. 

 2. M. Atropos, Gmel. Ed. Syst. Nat. v. 2880, 383. Schrank, 

 Ins. Austr. 904. Syrphus floreus, Fabr. Sp. Ins. ii. 423, 11. 

 Ent. Syst. iv. 283, 20. Panz. Faun. Germ. xli. 21. Fall. 

 Syrph. 30, 25. Elophilus floreus, Latr. Gen. Crust, iv. 324. 



a. England. 



b. France. 



c. Ukraine. Presented by Dr. Dowler. 



d. Albania. Presented by W. W. Saunders, Esq. 



e. ? From Mr. Children's collection. 



3 K 3 



