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| Author | : Robert Asa Cushman |
| Publisher | : |
| Total Pages | : 16 |
| Release | : 1940 |
| Genre | : Agriculture |
| ISBN | : |
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.
| Author | : Robert Asa Cushman |
| Publisher | : |
| Total Pages | : 712 |
| Release | : 1940 |
| Genre | : Exenterus |
| ISBN | : |
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.
| Author | : Ellen Kay Miller |
| Publisher | : |
| Total Pages | : 122 |
| Release | : 1992 |
| Genre | : Agriculture |
| ISBN | : |
| Author | : U.S. Office of Experiment Stations |
| Publisher | : |
| Total Pages | : 1046 |
| Release | : 1941 |
| Genre | : Agricultural experiment stations |
| ISBN | : |
| Author | : United States. Department of Agriculture |
| Publisher | : |
| Total Pages | : 238 |
| Release | : |
| Genre | : Agriculture |
| ISBN | : |
| Author | : Curtis Paul Clausen |
| Publisher | : |
| Total Pages | : 566 |
| Release | : 1978 |
| Genre | : Animal introduction |
| ISBN | : |
| Author | : Curtis Paul Clausen |
| Publisher | : |
| Total Pages | : 560 |
| Release | : 1978 |
| Genre | : Agriculture |
| ISBN | : |
Set includes revised editions of some issues.
