Forest entomology . lobose, with four projecting corners. Female with aconvex forehead. Elytra ending abruptly, but without following are the specific characters, according to Fowler:—? I. Apical declivity of elytra with a very distinct furrow on eachnear suture; elytra without distinct longitudinal streaks atsides; thorax black . . T. domesticum, L. II. Apical declivity of elytra without, or with an indistinct, furrowon each near suture; elytra with more or less distinct longi-tudinal streaks at sides ; thorax more or less red, at all eventsbehind,i. Elytra with the punctured stria?
Forest entomology . lobose, with four projecting corners. Female with aconvex forehead. Elytra ending abruptly, but without following are the specific characters, according to Fowler:—? I. Apical declivity of elytra with a very distinct furrow on eachnear suture; elytra without distinct longitudinal streaks atsides; thorax black . . T. domesticum, L. II. Apical declivity of elytra without, or with an indistinct, furrowon each near suture; elytra with more or less distinct longi-tudinal streaks at sides ; thorax more or less red, at all eventsbehind,i. Elytra with the punctured stria? moderately deep; club ofantennae subsecuriform, straight on one side, and some-what rounded on the other . T. quercus, Eich. (signatum, F.) ii. Elytra with the punctured striae superficial; club of antennae rounded on both sides and at apex T. lineatum (01.) x T. lineatum (01.) This insect bores into spruce timber. It will bore into timberlying on the ground, which may have been cut during the winter, but. Fig. 123. — Workings o/Trypodendron lineatum in spruce timber. a, cross section of wood ; b, longitudinal section.
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisheredinburghwblackwoo
