CULEX — DARK FEET, APICAL ABD. BANDING 453 



? . — Head black, with dusky-brown, narrow curved, and black upright 

 forked scales ; around the eyes, and generally in front, a distinct border 

 of white scales, which expand behind into flat-scaled white lateral patches ; 

 antennae dark brown ; palpi short and thick, almost black ; proboscis 

 deep brown, black at the apex, which is rather expanded. Scutellum 

 reddish-brown, with apparently- live strong bristles on the middle lobe ; 

 pleurae grey, with two dark spots above. Legs brown, the femora 

 ochreous, mottled with brown scales. Halteres grey, with dusky knobs. 

 Length. — 5 mm. 



Habitat. — Kong Kong, China; October. 



109. CULEX NIGRITULUS, Zetterstedt (Dipt. Scand. t. ix). 



Plate xvii, fig. 14, Fore and hind tarsal claws of 3 '■, 14a, Head and 

 appendages of 3 • 



Tarsi uniformly brovi^n. Thorax dark brown, with thin 

 golden-brown curved scales, paler on each side of the scutellum. 

 Abdomen dusky brown, with indistinct pale basal bands, widest 

 in the middle, sometimes dull white, at others, when worn, 

 cinereous. Venter dusky, with faint narrow pale basal bands. 

 Tarsal claws of ? , equal and simple ; of the cJ , as in figure. A 

 small delicate species 3'5 to 4 mm. long, with the abdominal 

 banding much less marked than in C. pipiens. 



? . — Head dark brown, with pale golden curved scales and a pale 

 clear border round the eyes ; flat whitish scales at the sides of the head ; 

 black upright forked scales before the white lateral patches and broA^Mi 

 ones behind ; antenme blackish-brown, basal joint bright ferruginous ; 

 palpi of ? , dark brown ; those of 3 > with two paler bands. Scutellum 

 with seven bristles on the middle lobe ; pleurse pallid. Legs brown, 

 pallid on the coxae and undersides of the femora. Halteres pale, 

 the knob clothed with creamy scales. Venter dusk}-, with faint basal 

 bands. Lengtli. — 3'5 to 4-5 mm. 



Habitat. — Scandinavia and England. 



Subdivision iv. — Culices ivith iinbanded tarsi and the abdominal 

 segments with pale apical bands. 



110 C. Salisburiensis, Theob. Abdomen dark brown, with narrow 

 yellow apical bands, expanding at the sides to form lateral 

 spots. Thorax golden-brown with indisthict linear markings. 

 Tarsi brown. 



111. C. concolor, E. Desv. Abdomen chocolate-brown, with broad 

 yellow apical bands, almost covering the hinder segments. 

 Thorax yellowish-brown, with a pale patch before the 

 scutellum, and indistinct linear markings. Tarsi, with mixed 

 dark and yellow scales. Venter, creamy. 



