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Note on Effect of Flooding on the Carrot Rust Fly in the Holland Marsh Area of Ontario1

Published online by Cambridge University Press:  31 May 2012

R. H. Backs
R. H. Backs
Affiliation:
Vegetable Insect Section, Entomology Laboratory, Ottawa, Canada
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Extract

During hurricane “Hazel”, on October 15, 1954, the Holland Marsh, Bradford, Ontario, was flooded with water to an average depth of about four feet. Some sections were covered by more than 10 feet of water and remained flooded for two to three weeks. Data from population studies on the carrot rust fly, Psila rosae (F.), conducted in the area by Miss J. B. Williams of the Ottawa laboratory from 1951 to 1953 and by the author in 1954 and 1955 provided an opportunity to determine whether the flood had affected the abundance of the insect.

Type
Articles
Information
The Canadian Entomologist , Volume 89 , Issue 2 , February 1957 , pp. 89 - 90
Copyright
Copyright © Entomological Society of Canada 1957

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References

Brownell, E., and Scott, S. G.. 1949. A study of Holland Marsh—its reclamation and development. Ontario Dept. Planning and Development, Immigration Branch, Toronto.Google Scholar
Salkeld, E. H. 1955. Control of the carrot rust fly in Eastern Canada. Canada Dept. Agr. Pub. 941. (processed)Google Scholar