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

Discussion of 2018 gathering

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


Subgenus Thoracobombus

Sonoran  Bumble Bee - Bombus sonorus - female Sonoran Bumble Bee? I think so. - Bombus sonorus Bee - Bombus pensylvanicus Bombus pensylvanicus? - Bombus fervidus black and yellow bee - Bombus sonorus black and yellow bee - Bombus sonorus Bombus sp - Bombus pensylvanicus Unknown Bee - Bombus pensylvanicus
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 Apidae (Cuckoo, Carpenter, Digger, Bumble, and Honey Bees)
Subfamily Apinae (Honey, Bumble, Long-horned, Orchid, and Digger Bees)
Tribe Bombini (Bumble Bees)
Genus Bombus (Bumble Bees)
No Taxon Subgenus Thoracobombus
4 spp. in our area, 52 spp. worldwide(1)
Head and malar space long. Midleg with sharp angle. Ocelli of female at (not below) level of upper eye margin.
holarctic & neotropical, most spp. in Eurasia, 10 in S.America; in our area, B. fervidus is transcontinental in Canada & n. US (south to AZ-CA in the west), B. pensylvanicus is widespread throughout the US & Canada, B. californicus throughout the w. half of NA, and B. sonorus in sw. US(1)
Open grassland, mountain meadow, semi-desert, and tropical montane and lowland forest, less often in temperate forests.(2)
Life Cycle
Nests on the surface, sometimes underground(2)