Abstract

Tabanus Allynii. Length 15 mm.Female.—Eyes naked, no ocelligerous tubercle. Front yellowishgray; callosity chestnut, nearly square, with an unconnected, spindleshaped line above. Face and cheeks yellowish-gray. Antennæ reddishyellow, annulate portion black. Palpi yellowish with white hairs. Thorax and scutellum grayish-black with minute golden-yellow pubescence; humerus reddish-brown when denuded; pleurae and pectus grayish with white or yellow hairs. Abdomen yellow, segments 4–7 black with yellow hind margins, which are expanded into triangles on the middle of segments 4 and 5; first segment black under the scutellum; second segment with a black triangle on the middle, and the third segment with a dark spot on each side of the middle. Venter yellow with a black line through the middle and tip dark. Legs—femora balck, yellow at the tips; tibiae yellow, darker at the tips; outer half of front tibia black; tarsi brownish, front ones black. Wings hyaline; stigma yellowish.

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