Letter | Published:

Air-Swallowing : a Mechanism in Photic Reversal of the Beetle Trypodendron

Naturevolume 191pages519520 (1961) | Download Citation

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Abstract

A PREVIOUS communication1 reported the effectiveness of flight exercise in abolishing the overruling response to light in overwintered adults of the ambrosia beetle Trypodendron (Xyloterus) lineatum Olivier. This observation is ecologically significant in explaining the behaviour of the insect in terms of one of its normal experiences. Evidently the photopositive response which initially compels it, advantageously, to dispersive flight indirectly sponsors termination of flight and unmasks a latent responsiveness to host factors, allowing it to settle down.

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References

  1. 1

    Graham, K., Nature, 184, 283 (1959).

  2. 2

    Chapman, J., Proc. Tenth Intern. Congr. Ent., 4, 375 (1956, 1958).

  3. 3

    Wellington, W. G., Canad. Entomol., 80, 56 (1948).

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Affiliations

  1. Department of Zoology, University of British Columbia, Vancouver, 8

    • KENNETH GRAHAM

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https://doi.org/10.1038/191519a0

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