Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

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

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Genus Anthidiellum - Rotund Resin Bees

Anthidiellum notatum - female Anthidiellum? - Anthidiellum perplexum Bee 42 - Anthidiellum notatum abdomen dorsal apex - Anthidiellum perplexum bee - Anthidiellum notatum Anthidium or Dianthidium? - Anthidiellum notatum Great Bee, face - Anthidiellum notatum - male Anthidiellum notatum? - Anthidiellum notatum
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
No Taxon (Anthophila (Apoidea) - Bees)
Family Megachilidae (Leafcutter, Mason, and Resin Bees, and allies)
Subfamily Megachilinae
Tribe Anthidiini
Genus Anthidiellum (Rotund Resin Bees)
Explanation of Names
Anthidiellum Cockerell
4 spp. in our area (all in the subg. Loyolanthidium), 60 spp. in 7 subgenera worldwide(1)
In this genus, the subanntennal suture

is clearly bowed toward the eyes. In other Athidini this suture is straight. (2)

The colored “line” at the base of the head
angles to form a strong, shelflike appearance. It can sometimes cover a portion of the start of the thorax. (2)

The scutellum

appears swollen and overhangs the propodeum (2)
NA and much of the Old World (warmer parts); across the US; A. notatum is the only sp. to reach Canada(1)
The cells are attached to rocks or to vegetation.
Internet References
U. Florida - Key to tribe Anthidini