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Egg distribution and survivorship in the pierid butterfly, Colias alexandra

Authors: Hayes, J. L.
Year: 1985
Journal: Oecologia, Vol. 66, pp. 495-498
Publisher: UNKNOWN
DOI: 10.1007/bf00379339
Keywords: ANIMAL REPRODUCTION, COLIAS, ENTOMOLOGY, LEPIDOPTERA, PIERIDAE, RMBL

Abstract

Patterns of egg distribution and survivorship were examined for six generations of a univoltine population of the pierid butterfly Colias alexandra, finding that among clumped individuals, survivorship is two times greater for the first or previously-laid individual than the second or subsequently- laid individual, suggesting that if there is a genetic basis for the common contagious pattern, selection is acting against it.

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