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Author
Michael Orr
3 articles by this author
Research Article
New and little-known bees of the genus
Sphecodes
Latreille, 1804 (Hymenoptera, Apoidea, Halictidae) from Southern and South-Western China
Yulia V. Astafurova
,
Maxim Yu. Proshchalykin
,
Ze-Qing Niu
,
Michael C. Orr
,
Chao-Dong Zhu
10.3897/jhr.79.57276
30-10-2020
Unique: 1079 | Total: 1729
Reprint: € 5,90
145-162
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Research Article
A review and updated classification of pollen gathering behavior in bees (Hymenoptera, Apoidea)
Zachary M. Portman
,
Michael C. Orr
,
Terry Griswold
10.3897/jhr.71.32671
30-08-2019
Unique: 4494 | Total: 7177
Reprint: € 11,20
171-208
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Research Article
Stiff upper lip: Labrum deformity and functionality in bees (Hymenoptera, Apoidea)
Michael Orr
,
Amber Tripodi
10.3897/jhr.57.12510
30-06-2017
Unique: 2531 | Total: 4619
Reprint: € 4,80
89-101
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