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Three Additional Poplar Gall Aphids From Southern Alberta1

Published online by Cambridge University Press:  31 May 2012

A. M. Harper
A. M. Harper
Affiliation:
Canada Agriculture Research Station, Lechbridge, Alberta
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Abstract

Three species of aphids in the subfamily Eriosomatinae are recorded from poplar trees in southern Alberta. Asiphum sacculi Gillette caused galls on leaves of Populus tremuloides Michaux in the foothill and mountain areas. Thecabius populiconduplifolius Cowen caused galls on leaves of Populus balsamifera L. in the prairie area. Pemphigus bursarius L., the lettuce root aphid, caused galls on leaves of Populus nigra var. italica Meunchhausen in a garden. P. bursarius could become a pest of lettuce in southern Alberta.

Type
Articles
Information
The Canadian Entomologist , Volume 98 , Issue 11 , November 1966 , pp. 1212 - 1214
Copyright
Copyright © Entomological Society of Canada 1966

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