Annals of tropical medicine and parasitology . ian stripe extending fromthe posterior extremity of the median line to the scutellum. Dorsumsparsely clothed with brown and yellowish-brown hairs. Scutellumbrownish-grey, becoming somewhat ochraceous near the centre of the 299 posterior margin, bearing three long yellowish-brown border dark brown, nude. Pleurae ochraceous above, darkbrown below, the two colours sharply separated along the middleline. Wings (fig. 4) brownish-grey, darker along the anteriorborder, with two relatively large white spots anteriorly—onecovering t
Annals of tropical medicine and parasitology . ian stripe extending fromthe posterior extremity of the median line to the scutellum. Dorsumsparsely clothed with brown and yellowish-brown hairs. Scutellumbrownish-grey, becoming somewhat ochraceous near the centre of the 299 posterior margin, bearing three long yellowish-brown border dark brown, nude. Pleurae ochraceous above, darkbrown below, the two colours sharply separated along the middleline. Wings (fig. 4) brownish-grey, darker along the anteriorborder, with two relatively large white spots anteriorly—onecovering the apex of the third longitudinal vein, the other coveringthe junction of the third and first longitudinal veins and the radio-medial cross vein. The apex of the wing is narrowly pale. Threeother pale spots are present, but are smaller and much lessconspicuous than the two costal spots mentioned above. Two ofthese are situated on the posterior border of the wing, one betweenthe branches on the fifth longitudinal vein, the otlier immediatel\. Fig. 4. Culicoides ochrothorax, sp. of female ( X 75 circa). behind the lower branch; they are ill-defined and can scarcely bedistinguished when held at certain angles. The remaining palearea embraces the extreme base of the wing. Venation as shown inthe figure, the small cells formed by the first and third veinsdistinct, the distal cell large and widely open. Extreme base oflower branch of fourth vein obsolete. Wings completely coveredwith minute upright setae; longer hairs only present on the thickerveins situated near the anterior margin, and on some of the veinsand folds near the apex. lialteres cream coloured. Lcqs-. Foreand middle femora dark brown basally, ochraceous apicalh-, thelatter colour occupying one-third and one-half the length of tlierespective limbs; liind femora dark l:)rown. Fore and middle tibiae 300 ochraceous basally, dark brown apically, the former colour occupyingone-third and one-half the length of the res
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectparasites, bookyear19
