Bees of the genus Megachile from the Belgian Congo. American Museum novitates ; no.783
American Museum Congo Expedition (1909-1915) Chapin, James P. (James Paul), 1889-1964 Cockerell, Theodore D. A. (Theodore Dru Alison), 1866-1948 Lang, Herbert, 1879-1957
Book
1935
English
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