Second Report of the Department of Entomology of the Cornell University Experiment Station

Second Report of the Department of Entomology of the Cornell University Experiment Station

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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. 1883 edition. Excerpt: ...impatient calls. Prof. J. E. Todd informs me that he has observed this habit also at Tabor, Ohio. It seems. therefore, that it is normal; but the explanation of it is not evident to us. ' The damage done by the punctures of the female is frequently very considerable. Mr. Jacob L. Stryker, of Fredonia, Kans., writes us that all of his raspberries were killed to the ground. He also stated that ' the eggs were very abundant indeed in the common resin weed (Sill phimn). Mr. O. L. Williams, of Meadville, Pa., has also been much troubled by the punctures in twigs of peach and apple, the former being quite seriously damaged. Much damage is also frequently done in vineyards, unripe bunches of grapes being often severed at the stem. The most effective remedy for the injuries of this insect will be found in searching for the punctured twigs during the winter and burning them. Where, as is the case in Kansas, the insects oviposit abundantly in a weed, it also should be carefully burned. Although no parasite has ever been recorded as preying upon this insect, we have this year bred no less than four species of chalcids and proctotrupids, which time will not permit me to describe. "BILL-BUGS" IN coRN.--About the 1st of June, two species of Spleenophorus were received at the department. The one, 8. pertinax, was sent by Mr. S. M. Robertson, of lradeville, Tallapoosa County, Alabama, and the other, 8. seulptilis, by Mr. E. T. Stackhouse, of Marion CourtHouse, S. U. Both were represented as injuring young corn extensively, the former piercing the stalk just below the surface of the ground, and the latter at or just above the surface. Mr. Stackhouse stated that they had attracted but little attention in his vicinity until within the last two...show more

Product details

  • Paperback | 120 pages
  • 189 x 246 x 6mm | 227g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236801687
  • 9781236801685