Insect Architecture Volume 1

Insect Architecture Volume 1

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1830 edition. Excerpt: ...them very suitable for their habitation; for the wood supplied a more secure protection than if their galleries had been excavated in the clay, n these holes of the wood we found several empty, and some in which were full grow n grubs. A'ests vf Ephemera in hohs of Cussus. The architecture of the grub of a pretty genus of beetles, known to entomologists by the name of Ci cindela, is peculiarly interesting. It was first made known by the eminent French naturalists, Gcoffroy, Desmarest, and Latreille. This grub, which may be met with during spring, and also in summer and autumn, in sandy places, is long, cylindric, soft, whitish, and furnished with six brown scaly feet. The head is of a square form, with six or eight eyes, and very large in proportion to the body. They have strong jaws, and on the eighth joint of the body there are two fleshy tubercles, thickly clothed with reddish hairs, and armed with a recurved horny spine, the whole giving to the grub the form of the letter Z. With their jaws and feet they dig into the earth to the depth of eighteen inches, forming a cylindrical cavity of greater diameter than their body, and furnished with a perpendicular entrance. In construct J. R, ing this, the grub first clears away the particles of earth and sand by placing them on its broad trapezoidal head, and carrying the load in this manner beyond the area of the excavation. When it gets deeper down, it climbs gradually up to the surface with similar loads by means of the tubercles on its back, above described. This process is a work of considerable time and difficulty, and in carrying its loads, the insect has often to rest by the way to recover strength for a renewed exertion. Not unfrequently, it finds the soil so ill adapted to its...show more

Product details

  • Paperback | 108 pages
  • 189 x 246 x 6mm | 209g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236900308
  • 9781236900302