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ON THE NUMBER OF MOLTS IN LARVAE OF THE FALL WEBWORM, HYPHANTRIA CUNEA DRURY. (LEP. ARCTIIDAE)

Published online by Cambridge University Press:  31 May 2012

Ralph B. Swain
Affiliation:
Department of Biology, University of Colorado, Boulder, Colorado

Extract

In the mass of literature, dealing with the fall webworm there are few references to the number of larval stadia. Bruner ( I ) states that there are four or five molts in eastern Nebraska. Dyar ( 2 ), who made measurements of the head capsules, found seven stadia. Snodgrass (3) found six larval stadia. He figures the first, second, fifth, and sixth instars.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1938

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References

LITERATURE CITED

1.Bruner, L. 1893. Extract from Ann. Rpt. Nebr. State Hort. Soc., pp. 168173, figs. 5.Google Scholar
2.Dyar, H. G. 1890. Psyche, 5: 175176.Google Scholar
3.Snodgrass, R. E. 1922. Smithsonian Inst. Rpt. for 1921, pp. 395414, pls. 2, figs. 11.Google Scholar