Abdomen black, with basal white bands, which spread out laterally on the last few segments. Legs black ; femora pale beneath ; fore and mid ungues of ? equal, uniserrated.
Length of ? and <$ 4 '5 to 6 mm.
Habitat. N. Europe ; N. America and India (Kashmir) ; Greenland and Arctic Circle generally.
Observations. Some damaged specimens have been received by the British Museum (Nat. Hist.) from Dr. Neve from the Deosai Plateau, between Kashmir and Shardo, between 13,000 and 13,500 feet. They are undoubtedly this species which seems to spread out round the north polar region to about 35 latitude.
Culex concolor. (Robineau Desvoidy.)
’Mém. Soc. Hist. Nat. de Paris,' 4, 405, Eob. Desv. ; 'Mono. Culicid.,' ii, p. 107 (1901), Theobald.
Thorax brown, with tawny and fawn-coloured curved scales, with patches of paler scales in the middle line in front, a central patch, two lateral ones, and other pale scales in front of the scutellum. Abdomen with brown scales, the first few segments with apical dull creamy borders ; the fifth with a dark basal band, most of it and all the remaining segments densely ochraceous yellow ; wings with a yellowish tinge.
Length of ? 6 to 8 mm. ; of J 1 7 mm.
Habitat. Asia generally.
Observations. A common and widely distributed Asiatic species occurring in China, all over the Malay Peninsula, India, and Ceylon. Easily told by its general ochraceous fawn-coloured hue.
Culex viridiventer. (Giles.)
'Journal Bombay Nat. Hist. Soc.,' p. 609, No. 4, vol. 13 (1901), Giles; 'Mono. Culicid.,' ii, p. 128 (1901), Theobald.
Thorax dark brown, with short, narrow curved deep golden-brown to bronzy scales, paler in front of the scutellum. Abdomen dusky black, with basal white bands on the second and third segments, not always complete ; in the fourth to sixth the bands are very distinct and swell out in the middle ; apical segment white. Legs black ; coxae and bases of femora greyish-white ; knee spots distinct.
Length of ? 5 '5 to 6 mm. ; of $ 4 to 5 mm.
Habitat. Naini Tal, India.
Observations. A purely sylvan species, easily told from its nearest ally C. fatigans by the abdominal ornamentation.
