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Protandrena impressa Timberlake 1976
urn:lsid:organismnames.com:name:2270081
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173
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Protandrena impressa Timberlake 1976
Timberlake 1976. Revision of the North American bees of the genus Protandrena Cockerell (Hymenoptera: Apoidea). Transactions Am. ent. Yearbook American Philosophical Society, 102(2) 1976: 133-227