Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Subfamily Megachilinae - Leafcutter, Resin, Mortar, Sharptail, Mason, and Woolcarder bees and relatives


Wool carder bees of the genus Anthidium in the Western Hemisphere (Hymenoptera: Megachilidae): diversity, host plant associa...
By Victor H. Gonzalez , Terry L. Griswold
Zoological Journal of the Linnean Society, Vol. 168(2), pp. 221–425, 2013
This is an outstanding reference covering New World members of the genus Anthidium.

The full title is:

"Wool carder bees of the genus Anthidium in the Western Hemisphere (Hymenoptera: Megachilidae): diversity, host plant associations, phylogeny, and biogeography"
The 200+ page revision can be:

1) Freely viewed online at the URL:   https://academic.oup.com/zoolinnean/article/168/2/221/2433440/Wool-carder-bees-of-the-genus-Anthidium-in-the  

Leafcutter and Mason Bees of the Genus Megachile Latreille (Hymenoptera: Megachilidae) in Canada and Alaska
By Sheffield, Cory S. et al.
Canadian Journal of Arthropod Identification, 2011
"Our objective is to provide an up-to-date revision of the genus Megachile of this region, including an interactive key to the species, and summaries of biogeographic distribution and life history."

HTML version online

A Revision of the Genus Ashmeadiella (Hymen., Megachilidae)
By Michener, Charles D.
The American Midland Naturalist. 22(1): 1-84, 1939
Available online at JStor

The Megachiline Bees of California (Hymenoptera: Megachilidae)
By Paul D. Hurd, Jr., and Charles D. Michener
University of California Press, 1955
Bulletin of the California Insect Survey Vol. 3 FULL TEXT

The Pollen-Collecting Bees of the Anthidiini of California (Hymenoptera: Megachilidae)
By Grigarick, A. A. and L. A. Stange
Bulletin of the California Insect Survey, University of California, 1968
    Full Text

Text of 113 pages, with 41 maps and 227 figures at the end of the paper.

Phylogeny of the bee family Megachilidae (Hymenoptera: Apoidea) based on adult morphology
By Gonzalez V.H., Griswold T.L., Praz C.J., Danforth B.N.
Syst. Entomol. 37: 261-286, 2012

The Solitary Bees - Biology, Evolution, Conservation
By Bryan N. Danforth, Robert L. Minckley, John L. Neff
Princeton University Press, 2019
A book I've been waiting for has arrived at my door.
Princeton introduction

Collecting bees in southern Texas.
By Cockerell, W.P.
Journal of the New York Entomological Society 25(3): 187–193., 1917
Full Text

Cockerell, W.P. 1917. Collecting bees in southern Texas. Journal of the New York Entomological Society 25(3): 187–193.