There is always hope. — A very angry European Wool-Carder Bee (Anthidium

European Wool Carder Bee (Anthidium manicatum) - Anthidium oblongatum

Wool carder bees of the genus Anthidium in the Western Hemisphere (Hymenoptera: Megachilidae): diversity, host plant associations, phylogeny, and biogeography - Gonzalez - 2013 - Zoological Journal of the Linnean Society - Wiley Online Library

Wool Carder Bees The World's Best Gardening Blog

European Wool Carder Bees Aren't Slow Pokes - Bug Squad - ANR Blogs

Dave Hubble's ecology spot: Wandering wool-carder?

Wool Carder Bees The World's Best Gardening Blog

Wool carder bees of the genus Anthidium in the Western Hemisphere (Hymenoptera: Megachilidae): diversity, host plant associations, phylogeny, and biogeography - Gonzalez - 2013 - Zoological Journal of the Linnean Society - Wiley Online Library

Maryland Biodiversity Project - Wool Carder Bee (Anthidium manicatum)

European Wool Carder Bees Aren't Slow Pokes - Bug Squad - ANR Blogs

Wool Carder Bees The World's Best Gardening Blog