Volume 1

Illustrations of British entomology, or, A synopsis of indigenous insects : containing their generic and specific distinctions / By James Francis Stephens.

  • Stephens, James Francis, 1792-1853.
Date:
1828-1835
Catalogue details

Licence: Public Domain Mark

Credit: Illustrations of British entomology, or, A synopsis of indigenous insects : containing their generic and specific distinctions / By James Francis Stephens. Source: Wellcome Collection.

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    minute impressions on the disc, and an interrupted series on the margin: body beneath, legs, antenne, and palpi glossy black: tarsi pitchy. Var. 6. Om. rugicollis. Steph. Catal. p. 24. No.194. With the thorax very strongly wrinkled transversely. Var. y. With the thorax not wrinkled transversely. Very common at the roots of trees, beneath stones, &c., throughout Britain. Sp. 9. affinis. Ater, nitidus, thorace glaberrimo, elytris subrugosis, inequalitér striatis, striis per paria approximatis. (Long. corp. 7 lin.) Ca. affinis. Marsham, MSS.—Om. affinis. Steph. Catal. p. 24. No. 195. Allied to the last ; but known by its smooth glossy thorax, which is rounded at the sides, with two deep strie at each of the hinder angles placed in a rugged fovea: elytra rather glossy, striated ; the strie placed in pairs and interrupted, with three minute impressions on the disc, and an interrupted series on the margin: the suture transversely wrinkled: body beneath glossy black, impunctate. From the collection of Mr. Marsham; but I am not acquainted with its locality. Genus XLV.—Sreropvus, Megerle. Palpi nearly as in Omaseus ; the terminal joint of the external mazillary ovate and rather shorter than the second; znternal slender: labial with the two last joints of equal length, the terminal clavate, truncate: labrum quadrate, somewhat emarginate anteriorly: mandibles rather obtuse, striated above, denticulated at the base internally: mentum transverse, with a bifid lobe in the centre of its anterior notch. Antenne compressed: head porrect: thoraz suborbicular: elytra ovate: wings none: anterior tarsi of males with three dilated joints. Steropus is chiefly to be discriminated from Omaseus by the form of its thorax and elytra, the former being more orbicular, and the latter more ovate and convex: the labrum is nearly quadrate, and the mentum very deeply notched. Sp. 1. madidus. dter, nitidus, thorace posticé utrinque impresso, elytris striatis, strid secundéd a margine punctis subcontiguis impressé. (Long. corp. 6—84 lin.) Ca. madidus. Fabricius.—St. madidus. Steph. Catal. p. 24. No. 196. Deep, rather brassy-black: head smooth, with two frontal impressions: thorax rather convex, with a deep dorsal line a little dilated posteriorly, and on each angle a deep rugose fovea with a longitudinal stria: elytra slightly striated, the strie impunctate, the second from the margin with a nearly contiguous series of impressions: body beneath and legs glossy black.