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Swammerdamia caesiella Hbn. (Lepidoptera: Yponomeutidae), a New Pest of Japanese Plum in the Niagara Peninsula, Ontario1

Published online by Cambridge University Press:  31 May 2012

Thomas Armstrong
Thomas Armstrong
Affiliation:
Entomology Laboratory, Vineland Station, Ontario
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Extract

In May, 1956, large numbers of small caterpillars were found on Japanese plum trees in an orchard near Queenston in the Niagara Peninsula, Ontario. The owner stated that he first noticed them in 1955 when they got on his clothes while he was cultivating the orchard. In June, 1956, the caterpillars were also found on ornamental plum, Prunus cerasifera Ehrh. var. pissardii Koehne, in nurseries at Niagara-on-the-Lake and Fonthill by nursery inspectors.

Type
Articles
Information
The Canadian Entomologist , Volume 91 , Issue 6 , June 1959 , pp. 340 - 345
Copyright
Copyright © Entomological Society of Canada 1959

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References

Abbott, W. S. 1925. A method of computing the effectiveness of an insecticide. J. Econ. Ent. 18: 265–267.CrossRefGoogle Scholar
Kloet, G. S., and Hincks, W. D.. 1945. A check list of British insects. Kloet and Hincks, Stockport, England.Google Scholar
Meyrick, E. 1927. A revised handbook of British Lepidoptera. Watkins and Doncaster, London, England.Google Scholar