Descriptions of twenty-five new species of North American Hymenoptera
Rohwer, S. A. (Sievert Allen), 1887-1951
Book
Published material
Washington, 1921
Hymenoptera
Q11 .U55 vol. 57
English
LCCN: https://lccn.loc.gov/22005571 OCLC: 29074596
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