72 THE MOSQUITOES OF EGYPT, THE SUDAN AND ABYSSINIA Female. Head brown, clothed with creamy yellow scales in the middle and around the eyes, black at the sides, the scales behind and in the middle are narrowcurved ones and they extend through to the front, and scattered between the loose flat paler yellow ones which form most of the median area ; flat black scales at the sides, those round the eyes pale yellow, fork-scales black on the dark area, ochreous in the middle yellow area; the yelloAV fork-scales have three terminal spines, the black four or five. Palpi densely black scaled, short; proboscis weak and thin, clothed with small black scales, the yellowish ground color showing through; antennas deep brown, basal joint and next two following with small flat creamy scales.

Thorax black with narrow-curved golden scales and a few bronzy ones behind; scutellum with small flat black scales, mid lobe with five posterior border-bristles; metanotum deep brown with a median paler line; pleurae pale ochreous. Abdomen black with a median line of creamy yellow scales, rather broadest at the base.

Legs with yellow coxae, femora yellow with blackish scales above, and two pale spots, yellow below; the fore femora appear much paler than the mid and hind; tibias black with scattered yellow scales and small yellow apex; metatarsi yellow at the base, and apex, and with a more or less pronounced yellow median band; first two tarsi on all the legs with an apical yellow band, last two all brown; ungues small, equal and simple.

Wings (Plate I., Fig. 9 and Plate II., Fig. 2), with dark scales basally and some spread out towards the apex along the costal border and another slightly dark area on the first fork-cell; scales on the first long vein, upper branch of first fork-cell, and one side of the base of the fourth, of Mansonia type ; the second, fourth, fifth and sixth with characteristic single line of heartshaped scales on the major area, on most of the branches of the fourth and fifth are clavate scales, with very short peduncles ; a few heartspiny ; first submarginal cell longer and slightly narrower than the second posterior cell, its base nearer the base of the wing, its stem short, about one-fifth the length of the cell; stem of the second posterior not quite half the length of the cell; posterior cross-vein about twice its own length distant from the mid.

Length. 3 mm. Habitat. Pibor.

shaped ones at the base of the cells; costa Scales of Etorleptiomyia mediolineata a & b Upright forked scales c Heart-shaped wing scale d Mansonia scales of costal border e Other wing scales Fig. 1 Cephalic and scutellar ornamentation of Etorleptiomyia mediolineata