Transactions of the American Entomological Society, 35. köideSociety at the Academy of Natural Sciences, 1909 |
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Common terms and phrases
abdomen abdominal segments alutaceous angles antennæ apex apical base blackish bloom broad broadly brown brownish cephalothorax claw closely clypeal suture clypeus coarsely color convex costæ coxæ Cyrtopogon Dasypogon declivity densely punctate distal distinct elongate elytra face female femora fourth posterior cell front tibiæ geminate genus golden pruinose grayish pruinose hair Halteres hind femora hind tibiæ joint lamellæ lateral margins legs Length Leptogaster Loew Malar space male median Mentum mesonotum mesopleuræ Metanotum metathorax middle moderately mystax narrow nearly nervure Nicocles occiput ocelli oral margin Osten Sacken pale palpi pilose pleuræ polished black posterior margin posteriorly pronotum prothorax pubescence punctures Pygidium reddish scutellum shining short sides sinuate slender slightly sparsely species specimens spot stout stripes strongly suture tarsi tergum third segment thoracic dorsum thorax tibia tooth of front transverse ungual tooth Upper tooth veins vertex white pile white pruinose wholly black width Williston Wings hyaline yellow yellowish
Popular passages
Page 171 - Culex scales ; the first sub-marginal cell considerably longer but only slightly narrower than the second posterior cell, its base slightly nearer the base of the wing than that of the second posterior cell, its stem...
Page 285 - Length 9-10 mm. — Altogether covered with a yellowish-gray bloom; thorax with a geminate black line in the middle; abdominal segments on each side anteriorly with a polished black spot. Face and front grayish pruinose, the former with a white mystax: the bristles above the mouth are black; ocellar tubercle and occiput beset with whitish hairs; a small tuft of black hairs on each side of the vertex near the upper corner of the eye. Thorax gray, with a black double line in the middle, abbreviated...
Page 77 - Elytra a little more coarsely and nearly evenly punctate, the punctures separated by from one to two times their own diameters.
Page 297 - Length 7-8 mm. — Brownish-gray; abdominal segments 2-6 each with a pair of semi-circular brown spots at the base. "Brownish-gray, sometimes with a tinge of yellowish; the mystax and the few hairs on the vertex and on the upper part of the occiput yellowish- white; those on the lower part of the occiput pure white; antennae black.
Page 151 - Antennae without a style*; third segment long; fourth posterior cell closed before the border of the wing; black species, with or without red or yellow on the abdomen (PI.
Page 31 - ... angles obtuse, scarcely rounded and more or less prominent, not dentiform; basal angles obtuse, not rounded nor prominent. Propleurce obsoletely punctulate and more or less rugulose, feebly convex and very feebly defined from the pronotal disc by the fine marginal bead. Elytra oval, smooth, about twice as long as wide, widest at or a little behind the middle; base feebly emarginate or truncate, frequently slightly wider than the contiguous prothoracic base; humeri obtuse, not rounded; sides evenly...
Page 271 - Joints 2-5 of the front tarsi densely beset with silvery-white recumbent hairs along the outer and upper side only, and therefore not parted in the middle (in the two preceding species, the silvery hairs are found both on the outer and inner side of...
Page 411 - Genital covers almost rectangular, slightlybroader anteriorly than posteriorly, situated about one and one-half times their length in front of the larger anal covers.
Page 112 - Habitat.— Boulder, Colorado, July 24, 1908 and August 4, and 5, 1908 (SA Rohwer).
Page 444 - Vertex smooth, except for a few punctures outside the ocelli, which are in a curve, the hinder being separated from each other by the same distance as they are from the eyes.