Proceedings of the Annual Meeting of the Indiana Academy of Science Volume 12

Proceedings of the Annual Meeting of the Indiana Academy of Science Volume 12

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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. 1903 edition. Excerpt: ...birds. There hardly seems a doubt about the correctness of Mr. Elliott's observations, and I give these facts in order to show their value. The catalpa is planted as far north as extreme northern Indiana and Illinois, but the catalpa sphinx does not occur north of about the latitude of Vincennes, in this State, Flora, in Illinois and extreme southern Lawrence County, in Ohio. On the Atlantic Coast it is steadily working its way northward, being now seriously abundant about Philadelphia, which is in the latitude of Columbus, Ohio, and almost that of Urbana, Illinois. It was abundant at Flora, Illinois, as far back as 1875, but seems to have progressed no farther northward. The insect has this peculiarity: The female will deposit to the number of 1,000 eggs in a mass on a single leaf and the young are for a considerable time after hatching thoroughly gregarious, so that while a single tree or a row of trees may be defoliated by the larva?, other trees in the neighborhood may entirely escape. This gives the enemies of the larva? an opportunity to literally exterminate a colony In short order. Mr. W. H. Edwards, a lepidopterist of Coalburgh, AVest Virginia, some years ago, recorded the sudden appearance of this insect in his locality for the first in 1890, and the as sudden disappearance the following year. The catalpa sphinx is like its food plant, a southern species; the Sphingida? are a tropical family for that matter, and it is interesting to note that Judge Lawrence Johnson observed the attacks of the Cuckoos, both species, on these larva? in 1883, in Alabama. The Cat Bird and the Baltimore Oriole are both known to feed upon them. Besides the birds there are several insect enemies of the catalpa sphinx, two being species of Tachinid...show more

Product details

  • Paperback | 60 pages
  • 189 x 246 x 3mm | 127g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236917103
  • 9781236917102