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By "Timberlake, P. H. (Born - 1883)"
Revision of the parasitic hymenopterous insects of the genus Aphycus Mayr, with some notice of related genera. By P. H. Timberlake.
By: Timberlake, P. H.
Publication info: Washington,Govt. Print. Off.,1916.
Contributed by: University of California Libraries (archive.org)