45G GNATS OR MOSQUITOES — CHAPTER XIII 



? • — Head bro\\ n, with deep golden-brown, narrow curved and 

 darker, upright forked scales ; antenna- dark brown, testaceous at the 

 base ; palpi brown : proboscis brown, black at the apex. Pleura; brown, 

 with a few white scales. Legs dark brown, bases and venter of the 

 femora pale brown ; coxge chestnut-brown, with a few white scales ; 

 knee-spots creamy-white. Halteres brown, with pale stems. Length. 

 — 6 mm. Is quite distinct from C. jrungens, which latter has the abdo- 

 minal segments basally banded, and may be a synonym of C. fatigans. 

 Eedescribed from Walker's type. 

 Habitat. — United States. 



114. CULEX HORTENSIS, Ficalbi ("F. E." p. 292 ; " V. S." p. 69). 



Tarsi uniformly blue-black. Thorax mouse- coloured, tending 

 to yellowish, without special adornment. Abdomen black, with 

 narrow white apical bands. Tarsal claws of 2 , equal and 

 simple. 



Head dark, with the nape and narrow orbits yellowish-white ; 

 proboscis blue-black, rather pale at the apex ; antennae grey, with a ring 

 of whitish scales on the basal joint ; palpi of $ , blue-black, with a white 

 ring on the middle ; the last joint oblong ; those of ^ , longer than the 

 proboscis by half the length of the short last joint, subulate, not very 

 hirsute, blue-black, with a ring on the middle, and a basal s^jot of white 

 scales. Pleurae, spotted and speckled white. Legs blue-black, except 

 the base and undersides of the femora, a distinct white knee-spot, and an 

 apical white ring on the tibiae. Wings nearly black, with the fork cells 

 much longer than their stems. Halteres pale. Venter white, with black 

 lateral spots. Length. — About 5-5 mm. J , and 7 to 5 mm. ? . 



Habitat. — Italj- ; said not to bite. 



Subdivision VI. — Culices with unhanded tarsi and abdomen, but 

 the latter ivith pale lateral spots. 



a. With obvious thoracic adornment. 



115. C. serratus, Theob. Thorax brown, with a broad pale median 



stripe. Abdominal spots white, most marked behind. 



116. C. lateralis, Meig. Thorax with bronzj' scales; showing a fine 



median, and broad latei-al white lines. Venter brown, witli 

 basal white btuids. 



117. C. subalbatits, Cocjuillett. Thorax dark in the middle, wliite 



at the sides. Venter with silvery bands, prolonged on to the 

 sides of the segments. 



