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Published online by Cambridge University Press: 31 May 2012
While collecting in the Cape Breton region of Nova Scotia early in July 1936, Dr. J. McDunnough and the writer collected a series of more than one hundred specimens of a P. scudderi form, commonly flying in a sphagnum bog about one and one half miles north of Baddeck on Highway No. 5, and which we thought might possibly be the race aster, described by Edwards from the Cape Race region in southern Newfoundland.
* Contribution from the Division of Systematic Entomology, Entomological Branch, Department of Agricultre, Ottawa.