Hymenoptera of American north of Mexico: Synoptic catalog (1951)

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https://www.biodiversitylibrary.org/page/41966767#page/9/mode/1up
Authors: Karl Krombein,CF Muesebeck,Henry Townes
Publication Year: 1951
Citation (MLA Form):

Krombein, Karl V., et al. Hymenoptera of America North of Mexico : Synoptic Catalog. Vol. no.2, Washington, D.C. :, U.S. Dept. of Agriculture, www.biodiversitylibrary.org/page/41966767#page/9/mode/1up. Accessed 22 Nov. 2020. ‌

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Created Feb 4, 2026 1:47 PM UTC Last updated Feb 4, 2026 1:47 PM UTC