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Dive into the research topics where Robbin W. Thorp is active.

Publication


Featured researches published by Robbin W. Thorp.


Archive | 2014

Bumble Bees of North America: An Identification Guide

Paul H. Williams; Robbin W. Thorp; Leif L. Richardson; Sheila R. Colla


Archive | 2014

Bumble Bees of North America

Paul H. Williams; Robbin W. Thorp; Leif L. Richardson; Sheila R. Colla


Archive | 2014

Observing Bumble Bees

Sheila R. Colla; Paul H. Williams; Robbin W. Thorp; Leif L. Richardson


Archive | 2014

Hindleg (tibia) with the outer surface uniformly convex and densely hairy (cuckoo bumble bees, no workers)

Sheila R. Colla; Paul H. Williams; Robbin W. Thorp; Leif L. Richardson


Archive | 2014

Square- or long-cheeked bees with a rounded angle on the midleg

Sheila R. Colla; Paul H. Williams; Robbin W. Thorp; Leif L. Richardson


Archive | 2014

Short-cheeked bees with a rounded angle on the midleg

Sheila R. Colla; Paul H. Williams; Robbin W. Thorp; Leif L. Richardson


Archive | 2014

Threats to Bumble Bees

Sheila R. Colla; Paul H. Williams; Robbin W. Thorp; Leif L. Richardson


Archive | 2014

Bumble Bee Names and Classification

Sheila R. Colla; Paul H. Williams; Robbin W. Thorp; Leif L. Richardson


Archive | 2014

Identification Keys to Female and Male Bumble Bees, with Photos

Sheila R. Colla; Paul H. Williams; Robbin W. Thorp; Leif L. Richardson


Archive | 2014

Attracting Bumble Bees

Sheila R. Colla; Paul H. Williams; Robbin W. Thorp; Leif L. Richardson

Collaboration


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Sheila R. Colla

Wildlife Preservation Canada

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