LIST OF DIPTERA. 5 



poisers yellow, with brown knobs. Length of the body 1| line ; of 

 the wings 3 lines. 



a. West Africa. From Mr. Frasers collection. 



Culex taeniatus, Wied. Auss. Zweif. i. 10, 18. 

 a. Honduras. From Mr. Miller's collection. 



Culex titillans, n. s., fern. Fuscus, abdominis segmentis utmnque 

 albo maculatis, antennarum articulis albo cinctis, rostro Jiavo 

 cincto, femoribus basi genubusque pallidis, tarsis albo cinctis, 

 alis subfuscis. 



Body dark brown : feelers black ; each joint white at the base : 

 mouth black, with a dull yellow band across it : abdomen with a 

 white spot on each side of the fore border of every segment : legs 

 brown ; thighs paler towards the base ; knees yellow ; feet with a 

 white band at the base of each joint : wings slightly brown ; 

 veins brown ; poisers yellow, with brown knobs. Length of the body 

 2 lines ; of the wings 4 lines. 



a. Brazil. Presented by Mrs. J. P. G. Smith. 



Culex vexans, Meig. Dipt. vi. 241, 16. Gim. Bull. Soc. Imp. Nat. 



Mosc. 1845, Hi. 289, 4. 

 a. France ? 



** Feet without pale bands. 



Culex impatiens, n. s., mas. Nigro-fuscus, fusco hirtus, thorace 

 trivittato, vitta intermedia apice furcata, abdominis segmentis 

 cano cinctis, pedibus fuscis, tarsis nigris, alis limpidis. 



Body dark brown, clothed with pale brown hairs : feelers and 

 mouth black : chest with three pale brown stripes, the middle one 

 slender and forked towards the tip : abdomen with a hoary band at 

 the fore border of each segment; its sides clothed with long hairs : 

 thighs brown, with black tips; shanks dark brown; feet black: 

 wings colourless; veins brown ; poisers very pale brown. 



Culex impatiens, fern. Ruf us, jiavo hirtus, thorace fusco trivittato, 

 abdomine fusco, segmentis jiavo cinctis, pedibus pallide fuscis, 

 femoribus tibiisque apice jlavis, tarsis nigro-fuscis, alis limpidis. 



Body red, clothed with yellow hairs : head thickly covered : 

 chest with three brown stripes : abdomen brown, with a yellow band 

 at the fore border of each segment : legs pale brown ; tips of the 

 thighs and of the shanks yellow ; feet dark brown : wings colour- 



b3 



