Report on the Noxious and Beneficial Insects of the State of Illinois Volume 2-5

Report on the Noxious and Beneficial Insects of the State of Illinois Volume 2-5

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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. 1871 edition. Excerpt: ...or nearly filiform antennae, except the herbivorous Lamellioorns (Rutelidoe and Melolonthidcaj All fungus-eating beetles have the antennae more or less strongly clavate.. g The feet of the Coleoptera are of two principal kinds; first, simple feet, in which the joints are slender, and of about the same width throughout, and clothed only with somewhat scattered bristles; and secondly bi-lobed feet, in which the joints are somewhat widened and depressed, with the last joint but one wider than the others, and divided into two lobes, between which the last joint is inserted, and all of them clothed beneath with densely crowded short stiff hairs, of the same length, so as to resemble a brush; sometimes also compared to a piece of sponge. As a general rule, beetles with simple feet reside upon the ground, or under the bark of dead trees, or in other decomposing matter, and are either carnivorous or rypophagous (filth eating) in their habits; and those which have bilobed and spongy feetlive upon the foliage of trees and other plants, this structure of the feet seeming to be especially adapted to enabling them to adhere to the surface of leaves; and accordingly most of these insects are herbivorous. But this general statement is subject to important exceptions. Some of the lamellicorn beetles (Melonthiidce, Rutelidaz, etc.) have simple feet and yet feed upon. the foliage of trees; but these insects do not run over the leaves, but simply cling to them with their sharp claws, whilst feeding. So, also, some carnivorous beetles (Telephoridce and Coccinellidwj, which pursue their prey over the foliage of trees, have their feet bilobed and spongy. _ It is an interesting circumstance that those insects (Melolonthidw, etc.) which only. cling to the...
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Product details

  • Paperback | 182 pages
  • 189 x 246 x 10mm | 336g
  • United States
  • English
  • black & white illustrations
  • 1236763009
  • 9781236763006