LIST OF DIPTERA. 7 



Culex pungens, Wied. Auss. Zweif. i. 9, 16. 

 a. Jamaica. From Mr. Gosse's collection. 



Culex implacabilis, n. s., fern. Niger, capite thorace abdominisque 

 fasciis flavo hirtis, pedibus flavis, femoribus apice nigris, genu- 

 bus albis, tarsis et metatibiis fuscis, alis limpidis. 



Body black : head and chest thickly clothed with yellow hairs : 

 abdomen with a band of yellow hairs at the fore border of each seg- 

 ment : legs dull yellow ; tips of the thighs black ; knees dull white ; 

 feet and hind shanks dark brown : wings colourless ; veins brown ; 

 poisers dull white, with brown tips. Length of the body 2 lines ; of 

 the wings 4 lines. 



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

 G. Barnston, Esq. 



Culex provocans, n. s., mas. Rufo-fuscus, capite thorace abdomi- 

 nisque fasciis albo hirtis, antennis fuscis, pedibus obscure rufis, 

 alis limpidis. 



Body reddish brown, clothed with white hairs, which are most 

 thick on the head and on the chest : feelers and mouth brown : ab- 

 domen with a broad white band of hairs at the base of each seg- 

 ment : legs dull red : wings colourless ; veins pale brown ; poisers 

 yellow, with brown knobs. Length of the body 2-J lines ; of the 

 wings 5 lines. 



a. North America, 



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



Culex provocans ? fem. Rufo-fuscus, capite thorace abdominisque 

 fasciis flavo hirtis, antennis pedibusque nigro-fuscis, femoribus 

 flams, alis limpidis. 



Body reddish brown : head and chest clothed with yellow 

 hairs : feelers and mouth very dark brown : abdomen with a band of 

 yellow hairs at the fore border of each segment : legs dark brown ; 

 thighs yellow, with brown tips : wings colourless ; veins brown. 

 Length of the body 2§ lines ; of the wings 5 lines. 



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



Culex ornatus, Hoffmansegg, Meig. Dipt. i. 5. 4. Steph. ZooL 

 Journ. i. 454, 6. Macq. Hist. Nat. Dipt. i. 35, 9. Gim. Bull. 

 Soc. Imp. Nat. Mosc. 1845, iii. 288, 3. C. equinus, Meig. 

 Klass. Zvjeif. i. Aufl. 3, 4. 



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



