388 A Monograph of Culicidae. 
Culex simpsoni. Theobald (1905). 
Journ. Eco. Biol. I., 28 (1905) * Mono. Cnlicid. IY., 441 (1907). 
Transvaal. 
Type in the British Museum. 
Culex laurenti. Newstead (1907). 
Ann. Trop. Med. and Parasit. I., No. 1, 24 (1907). 
Head grey ; thorax brown ; abdomen paler ; legs uniformly 
pale brown ; venter and pleurae pale dull orange-brown ; 
proboscis unbanded. 
“ 9 • Head with the narrow-curved scales pale silvery-yellow 
in front, the rest white ; flat scales white ; upright forked ones 
all black. Antennae dark brown, pubescence silvery-grey, in 
some lights with a faint yellow tinge. Proboscis clothed with 
brown scales and towards the apex a few scattered pale ochreous 
ones. Palpi very short, rich brownish-yellow ; scales brown. 
Thoracic scales dull golden-yellow; pleurae with a few small 
groups of narrowly rounded white scales, some of which are 
practically spindle-shaped. 
Abdomen uniformly pale brown. 
Legs uniformly brown above with pale brown scales, silvery- 
grey beneath in some lights; coxae and trochantae rich brownish- 
yellow with dark brown scales; no knee spots and no bands on 
tarsi. 
£. Head scales as in the 9 • Palpi long, pale ochreous 
brown with pale brown scales, apical segments dark brown 
densely clothed with long hairs; antennae with silvery-brown 
hairs. 
Thorax with a few white scales opposite the insertion of the 
wings; the rest including the pleural scales as in the 9 • 
Legs pale ochreous beneath, darker above, with pale brown 
scales ; anterior and mid femora with white scales at the sides 
posteriorly. 
Abdomen pale brown with rather dark brown scales, 
segments 5, 6, 7 and 8 with a few lateral white scales ; 
terminal segment with a broad apical band of creamy-white 
scales; venter pale ochreous, scales pale brown and white 
intermixed. 
Wing scales dark browi\ on the basal half of the veins; 
apical portion with pale ochreous scales.” 
