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Published online by Cambridge University Press: 31 May 2012
While collecting during the spring and early summer of 1927 in the vicinity of Ottawa, Ontario, Canada, the writer secured large numbers of two species of Corixidae which on verification proved to be Arctocorixa bilineata Prov. and Arctocorixa trilineata Prov. To Mr. George Maheux, Provincial Entomologist for Quebec, Canada, the writer is indebted for his comparison of this material with the Provancher types in the Quebec Public Museum.
* —Contribution from the Department of Zoology and Entomology, Iowa State College, Ames, Iowa.