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DISTRIBUTION AND ABUNDANCE OF THE SUNFLOWER STEM WEEVIL, CYLINDROCOPTURUS ADSPERSUS (LECONTE) (COLEOPTERA: CURCULIONIDAE), IN SASKATCHEWAN1

Published online by Cambridge University Press:  31 May 2012

A.P. Arthur  and
P.G. Mason
A.P. Arthur
Affiliation:
Agriculture Canada Research Station, 107 Science Crescent, Saskatoon, Saskatchewan, Canada S7N 0X2
P.G. Mason
Affiliation:
Agriculture Canada Research Station, 107 Science Crescent, Saskatoon, Saskatchewan, Canada S7N 0X2
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Extract

The sunflower stem weevil, Cylindrocopturus adspersus (LeConte), infests wild and cultivated sunflowers in Colorado, Texas, North Dakota, South Dakota, and Minnesota (Schulz 1978; Charlet 1983). It was first observed in Saskatchewan in a sunflower test plot near Carnduff, in August 1984 (unpublished data). Its abundance and distribution in the major Saskatchewan sunflower growing area, in the Carnduff, Estevan, and Weyburn areas, had not previously been studied.

Type
Articles
Information
The Canadian Entomologist , Volume 122 , Issue 2 , April 1990 , pp. 387 - 388
Copyright
Copyright © Entomological Society of Canada 1990

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References

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