A Review of the Parasitic Wasps of the Ichneumonid Genus Exenterus Hartig
Robert Asa Cushman
Jan 1940 · U.S. Department of Agriculture
eBook
15
Pages
About this eBook
This review of parasitic wasps is motivated by the discovery within the past several years that three European species of pine-feeding sawflies have become established in North America, which prompted interest in the parasites of the sawflies in this group.
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