Author : Robert Asa Cushman
Publisher : Unknown
Page : 714 pages
File Size : 55,7 Mb
Release : 1940
Category : Exenterus
ISBN : STANFORD:36105019613020
A Review of the Parasitic Wasps of the Ichneumonid Genus Exenterus Hartig by Robert Asa Cushman Pdf
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.