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THE EFFECT OF MICRO-CAUTERIZING THE ALPPM1 ("GOLD SPOT" OF AUTHORS) OF THE PUPA OF THE MONARCH BUTTERFLY, DANAUS P. PLEXIPPUS (LEPIDOPTERA: DANAIDAE)

Published online by Cambridge University Press:  31 May 2012

F. A. Urquhart
F. A. Urquhart
Affiliation:
Department of Zoology and Scarborough College, University of Toronto, Toronto, Ontario
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Abstract

By a method of micro-cauterization, in which a small area of tissue may be destroyed without bleeding, it is indicated that the pigmented areas on the pupa of the monarch butterfly, Danaus p. plexippus (Linnaeus), are involved in the distribution or formation of wing scale colouration. The paper deals with experiments involving one pair of such areas, namely the alar (Al) pigmented macula which, like the median notai macula, effects apical wing colour on the prothoracic wings.

Type
Articles
Information
The Canadian Entomologist , Volume 104 , Issue 7 , July 1972 , pp. 991 - 993
Copyright
Copyright © Entomological Society of Canada 1972

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References

Urquhart, F. A. Epidermal cells of the PPM (“gold spots”) of the pupa of the monarch butterfly (Danaus p. plexippus). Can. Ent. (In press.)Google Scholar
Urquhart, F. A. and Dampney, P.. 1969. Microcauterization to maxillectomize lepidopterous larvae by fulguration. Can. J. Zool. 47: 1416–1417.CrossRefGoogle Scholar
Urquhart, F. A. and Tang, A. P. S.. 1970. The effect of cauterizing the PPM of the pupa of the monarch butterfly (D. plexippus). Journal of Research on the Lepidoptera 9: 157–167.CrossRefGoogle Scholar