Report of the United States Entomological Commission Volume 5

Report of the United States Entomological Commission Volume 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. 1890 edition. Excerpt: ...8'"'." (French.) Beetla.--Pale rufous; elytrs, pale testaceous, immaculate. Body very pale rnfons, head obsoletely punctured; an indented, abbreviated line or spot on the vertex; thorax with small punctures which are sometimes obsolete; elytra pale testaceous, with atria: of punctures which become obsolete before the tip; beneath pale. Length This beetle is very plentiful in New York, according to Mr. Devereaux, feeding on the foliage of the poplar. 54. Tns POPLAR-LEAF APHIS. Aphia populifoliw Fitch. Inhabits the underside of the leaves of Populua grandidcntata. Of a chestnut-brown color, mealy; legs hairy, black, pale brown above the knees; veins of the forewings brown, stigma smoky yellow, margined with black; back with two rows of impressed, squarish fuscons spots; on each side, two rows of impressed dots; honey-tubes equaling a third of the distance to the tip. Length to tips of wings.22 inches. (Thomas, 3 Rt. Ins. Ill.) Forming imperfectly globular galls the size of a bullet at the junction of the leaf with its stalk, these galls having a mouth-like orifice on their underside, and a large cavity within, crowded with small dull white lice and their white cast skins, and with winged lice of a blue-black color, their antennas reaching beyond the base of their wings, the rib-vein of their fore wings black, thick, much thicker at its apex along the inner margin of the stigma, and the short veinlet bounding the anterior end of this spot more slender than the rib-vein; its length 0.10, and to the tips of its wings 0.15. (Fitch.') Observer at Maine and in Rhode Island. 56. Tar. POPLAR GALL-LOUSE. Pemphigua popularius Fitch. Late in autumn, wandering up and down the trunk of the balsam poplar, a galllouse closely like the preceding, ...show more

Product details

  • Paperback | 482 pages
  • 189 x 246 x 25mm | 853g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236935837
  • 9781236935830