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ON THE GEOGRAPHICAL DISTRIBUTION OF SOME GENERA OF CANADIAN INSECTS

Published online by Cambridge University Press:  31 May 2012

Francis Walker
Affiliation:
London, England.

Extract

Isosoma.–So much has been lately written about this genus that it may be dismissed with a few words. The Eurytomidae, to which it belongs, were considered by Nees to be in a debatable state between the chalcidiae and the cynips tribe, and though they are now fixed with the chalcidiae, there is still matter for argument as to their maintenance by animal life, or by vegetable life, or as to how they are divided between these two means of existence.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1873

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