A revision of the Vespidae of the Belgian Congo based on the collection of the American Museum Congo Expedition : with a list of Ethiopian diplopterous wasps. Bulletin of the AMNH ; v. 39, article 1
American Museum Congo Expedition (1909-1915) Bequaert, Joseph C. (Joseph Charles), 1886-1982 Chapin, James P. (James Paul), 1889-1964 Lang, Herbert, 1879-1957
Book
1918
English
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