Revision of the clearwing moth genus Osminia (Lepidoptera--Sesiidae) /

By Duckworth, W. Donald.. Washington, D.C. : Smithsonian Institution Press, 1983

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The type-material of North American clearwing moths (Lepidoptera: Sesiidae)

By Duckworth, W. Donald.. Washington, Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1973

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By Duckworth, W. Donald.. Washington, Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1974

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By Duckworth, W. Donald.. Washington, D.C. : Smithsonian Institution Press, 1983

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By Duckworth, W. Donald.. Washington, Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1973

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By Duckworth, W. Donald.. Washington, Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1974

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