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Disease in a Field Population of the Introduced Essex Skipper, Thymelicus lineola (Ochs.) (Lepidoptera: Hesperiidae)

Published online by Cambridge University Press:  31 May 2012

G. E. Bucher  and
A. P. Arthur
G. E. Bucher
Affiliation:
Entomology Research Institute for Biological Control, Research Branch, Canada Department of Agriculture, Belleville, Ontario
A. P. Arthur
Affiliation:
Entomology Research Institute for Biological Control, Research Branch, Canada Department of Agriculture, Belleville, Ontario
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Extract

The Essex skipper, Thymelicus (Adopaea) lineola (Ochs.), is said to have been introduced from Europe to the area of London, Ontario, about 1910 but attracted Iittie attention until 1955 (MacNay, 1956). Since then it has been found over most of southern Ontario (MacNay, 1959) and presently is causing damage to fields of timothy, Phleum pratense L., near Priceville, Ontario. As the larvae eat the leaves of timothy and orchard grass, Dactylis glomerata L., this species is a potential pest of forage crops.

Type
Articles
Information
The Canadian Entomologist , Volume 93 , Issue 11 , November 1961 , pp. 1048 - 1049
Copyright
Copyright © Entomological Society of Canada 1961

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References

Bucher, G. E. 1957. Disease of the larvae of tent caterpillars caused by a spore-forming bacterium. Can. J. Microbiol. 3: 695–709.CrossRefGoogle Scholar
Bucher, G. E. 1961. Artificial culture of Clostridium brevifaciens n.sp. and C. malacosomae n.sp., the causes of brachytosis of tent caterpillars. Can. J. Microbiol. In press.CrossRefGoogle Scholar
MacNay, C. G. 1956. Canadian Insect Pest Review 34: 86.Google Scholar
MacNay, C. G. 1959. Canadian Insect Pest Review 37: 154.Google Scholar