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Published online by Cambridge University Press: 31 May 2012
In the early part of August, 1938, Professor Caesar, Provincial Entomologist, received from Kenneth C. Hume of Ayton, Ontario, a letter containing insects said to be numerous in that district. Professor Caesar identified these insects as the European earwig, Forficula auricularia L. This identification was later confirmed by the Dominion Entomologist from specimens forwarded by Professor Caesar when he reported the outbreak. This is the first recorded outbreak of the species in Canada east of the Rockies.