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The Light Reactions of Larvae of the Spotless Fall Webworm, Hyphantria textor Harr. (Lepidoptera: Arctiidae)1

Published online by Cambridge University Press:  31 May 2012

W. G. Wellington ,
C. R. Sullivan  and
W. R. Henson
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Extract

Recently, the light reactions of three species of tent caterpillars were described (3). The present paper contains a similar description of the responses of larvae of the spotless fall webworm, Hyphantria textor Harr. This species was chosen for comparative study because, like tent caterpillars, it is colonial through most of its larval stage, during which it forms extensive webs.

Larvae of all six instars were studied. Some of the behaviour described here was first observed during the summers of 1949-50 at Sault Ste. Marie, Ont. During July and August of 1953, several of the laboratory tests were repeated at Sault Ste. Marie, and, in addition, some new reactions were observed for the first time.

Type
Articles
Information
The Canadian Entomologist , Volume 86 , Issue 12 , December 1954 , pp. 529 - 542
Copyright
Copyright © Entomological Society of Canada 1954

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References

(1)Green, G. W.Some laboratory investigations of the light reactions of the larvae of Neodiprion americanus banksianae Roh. and N. lecontei (Fitch) (Hymenoptera: Diprionidae). Can. Entomol. 86: 207–222. 1954.CrossRefGoogle Scholar
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(6)Wellington, W. G. Solar heat and plane polarized light versus the light compass reaction in the orientation of insects on the ground. Ann. Ent. Soc. Amer. (In Press).Google Scholar
(7)Wellington, W. G., Sullivan, C. R. and Green, G. W.. Polarized light and body temperature level as orientation factors in the light reactions of some hymenopterous and lepidopterous larvae. Canad. J. Zool. 29: 339–351. 1951.Google Scholar