338 A Monograph of Culicidae. 
The peculiarity in the wing is that there is a vein below the 
sixth, with a row of thirteen scales, forming a seventh vein. 
Halteres with pale stem and fuscous knob. 
Length_—4 mm. 
Habitat.—Salisbury, Mashonaland (J. K. Marshall). 
Time of capture.—February. 
Observations.—Described from a single perfect 9. It can at 
once be told from all known Culices by the curious line of scales 
forming a seventh vein to the wings. 

Sus-Famity CORETHRINA. 
Genus 50. CORETHRA. ‘ 
(Mono. Culicid. IT., p. 288, 1901.) 
Two new species have been added to this genus. 
CoRETHRA CERATOPOGONES. nN. sp. 
?. Thorax pale brown to fawn, with darker brown mark- 
_ ings ; metanotum pale chestnut-brown ; pleurae pale fawn and 
cinereous ; head brown, proboscis and palpi brown, with numerous 
rather long brown hairs; antennae banded brown and grey. 
Abdomen very pale fawn to cinereous, with narrow dark brown 
apical borders to the segments and dark brown at the sides, only 
partly, however, on the last two apical segments ; abdomen hairy ; 
apex dark brown ; lamellae brown. 
Legs multi-banded with brown and frosty-grey on the femora 
and tibiae ; fore femora with six dark bands and also the fore 
tibiae, apex and the basal band of both pale; metatarsus and 
first three tarsi banded with dark brown in the middle ; apical 
joint pale ; ungues very small, simple and equal; mid femora 
with eight dark bands, tibiae with six, the basal are broadest, 
base and apex of both joints pale ; metatarsi and tarsi with very 
broad dark median bands ; ungues small, equal and simple ; hind 
femora with eight and hind tibiae with seven dark bands, base 
and apex of each pale ; metatarsus with two median dark bands, 
tarsi with a single median dark band. Ungues small, equal and 
simple. Wings densely clothed with long brown hair-like scales, 
with three dusky patches on the costa, the median one where the 
sub-costal joins the costa and spreading on to the wing field, the 
