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NEW TABANIDÆ

Published online by Cambridge University Press:  31 May 2012

John Marten
Affiliation:
Carbondale, Ill.

Extract

Sub-genus Therisplectes.—“Eyes pubescent; ocelligerous tubercle more or less distinct; eyes (female) with three or four bright green or bluish cross-bands.”

T. Californicus, n. sp. Length 17 mm. Eyes pubescent, with thin purplish bands. Front yellowish-gray; callosity nearly square, brownish, shining, prolonged above; ocelligerous tubercles brownish-black on a black spot. Face and cheeks grayish with white hairs. Palpi yellowish white with small black hairs, Antennæ reddish; annulate portion of third joint black; upper angle prominent. Thorax grayish-brown with the usual gray stripes and golden yellow pubescence; humerus reddish; pleura and pectus grayish with long white hairs. Abdomen brownish-black, sides of first four segments brownish-yellow, which color leaves a row of black irregular spots in the middle, largest on the second segment and smallest on the third; also dark oblique spots on lateral margins. Venter yellowish with yellow pubescence; darker on the last three segments. Femora black, brownish at the tip; front tibiæ dark brown, proximal end lighter; second and third tibiæ darker toward the tip; tarsi dark brown. Wings byaline; costal cell light brown; faint clouds in cross-veins and bifurcation of third vein.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1882

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