Biological and Embryological Studies on Formicidae

Biological and Embryological Studies on Formicidae

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1912 edition. Excerpt: ... (Bethe, 1902.) ADDITIONAL, NOTES Whenever I caused a new trail to be formed, or placed on a new. disk, I always watched carefully for any signs of communication when the first ants from the food met those from the nest. One would think that these conditions would be ideal for any power of communication on the part of the ants to manifest itself, since the ants on one side knew the way back to the nest and were searching for the food, while those on the other side knew the way to the food and were trying to get back to the nest. Yet I failed to observe anything in the behavior of the ants which I could interpret as communication. To be sure the ants meeting under the above circumstances always stopped and stroked antennae, but when they separated each continued to wander as aimlessly as before, and the gap in the trail was finally bridged by the ants from one side accidentally striking the trail on the other. I do not, of course, mean to say that communication among ants does not exist. In fact, stridulation, gestures, postures, etc., on the part of the ants undoubtedly do represent some form of communication, as has been shown by Wheeler, Forel, and Wasmann. I do mean to say that with this particular species and under these particular conditions I failed to observe anything, which, from its effect upon the behavior of the ants, I could interpret as communication. As a rule the queens of M. pharaonis do not leave the nest to feed, but quite often when I placed out some food particularly attractive to the ants, such as a piece of fresh beef, especially if the room was quite warm, a number of queens would follow the trail out to it. Ordinarily, however, they did not feed, and I think they were only induced to come out by the fact that a very more

Product details

  • Paperback | 24 pages
  • 189 x 246 x 1mm | 64g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236514602
  • 9781236514608