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Subgenus Thoracobombus

Queen Bumblebee - Bombus fervidus - female Bombus sp.? - Bombus californicus bumblebee - Bombus californicus what species´╝č - Bombus pensylvanicus Bombus californicus male? - Bombus californicus Third type of Bombus in garden. - Bombus fervidus Bombus - Bombus fervidus Bombus
Classification
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
Numbers
4 spp. in our area, 52 spp. worldwide(1)
Identification
Head and malar space long. Midleg with sharp angle. Ocelli of female at (not below) level of upper eye margin.
Range
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)
Habitat
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)