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

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

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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