30 LIST OF DIPTERA. 



Cecidomyia griseola, Meig. Dipt. i. 97, 9. 

 a. England. From Mr. Walker's collection. 



Cecidomyia griseicollis, Meig. Dipt. i. 97, 10. 

 a. England. From Mr. Walker's collection. 



Cecidomyia verna, Curt. Brit. Ent. 178. 

 a. England. From Mr. Walker's collection. 



Cecidomyia bicolor, Meig. Dipt. i. 98, 12. Macq. Hist. Nat. Dipt. 



i. 162, 17. 

 a. England. From Mr. Walker's collection. 



Cecidomyia carnea, Meig. Dipt. i. 98. 13. 

 a. England. From Mr. Walker's collection. 



Cecidomyia Ribesii, Meig. Dipt. i. 98, 15. Macq. Hist. Nat. Dipt, 



i. 162, 16. 

 a. England. From Mr. Walker's collection. 



Cecidomyia lutea, Meig. Dipt. i. 99, 16. Gim. Bull. Soc. Imp. 



Nat. Mosc. 1846, iii. 13, 2. 

 a. England. From Mr. Walker's collection. 



Cecidomyia flava, Meig. Dipt. i. 99, 17. 

 a. England. From Mr. Walker's collection. 



Cecidomyia salicina, Meig. Dipt.i. 100, b. Deg. Ins. vi. 155, 27, 

 t. 26, /. 1—7. Schrank. Ins. Austr. 884. Macq. Hist. Nat. 

 Dipt. i. 159, 3. 



a. England. From Mr. Walker's collection. 



Cecidomyia spongivora, Barnston, MSS., mas. et fern. Nigro- 

 fusca, pedibus fusco-fulvis, alis griseis. 



Much resembles C. salicina, but the legs are paler and the 

 wings are less hairy. Male. — Body dark brown, hairy : feelers dark 

 brown, moniliform, hairy, 18-jointed, shorter than the body : legs 

 dark tawny ; feet, and tips of thighs and of shanks, brown : wings 

 gray, hairy ; veins brown ; poisers dark tawny, with brown knobs. 

 Fern. — Somewhat paler than the male ; the feelers much shorter. 

 Length of the body \\ — \\ line ; of the wings 3 — 3| lines. 



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

 G. Barns ton, Esq. 



Cecidomyia extrema. Planetes extremus, Walk. Ent. Mag. iii. 



179. Planetella extrema, Westw. Mod. Class. Ins. Syn. 126. 

 a. England. From Mr. Walker's collection. 





