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Upcoming Events

BugGuide is a National Moth Week Partner. How to add your National Moth Week 2021 photos. July 17-25.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Previous events

Bumble Bees and Cuckoo Bumble Bees of California
By Robbin W. Thorp, Donald S. Horning, Jr., Lorry L. Dunning
University of California Press, Berkeley, 1983
ISBN: 0-520-09645-2
Cite: 242789 with citation markup [cite:242789]
A useful reference covering California bumblebees by a well-respected authority on the subject. Begins with general information on life history and ecology, followed by technical keys, and discussions of the California subgenera and species of Bombus and Psithyrus (parasitic "Cuckoo Bumble Bees"). A PDF file of the 79 page monograph is available for free here.

mind removing quot.marks from the title? :]

For you =v=...
...I'm willing to indulge such a request :-)

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