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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Aculeata - Ants, Bees and Stinging Wasps » Apoidea (clade Anthophila) - Bees » Cuckoo, Carpenter, Digger, Bumble, and Honey Bees (Apidae) » Honey, Bumble, Longhorn, Orchid, and Digger Bees (Apinae) » Bumble Bees (Bombini) » Bumble Bees (Bombus) » Subgenus Pyrobombus (Bombus Subgenus Pyrobombus) » Two-spotted Bumble Bee (Bombus bimaculatus)
Photo#1272313
Possible Ptilothrix bombiformes? - Bombus bimaculatus
Copyright © 2016 Mary Anne Borge

Possible Ptilothrix bombiformes? - Bombus bimaculatus
Bowman's Hill Wildflower Preserve, New Hope/Solebury Township, Bucks County, Pennsylvania, USA
July 27, 2011
I think the larger bee may be Ptilothrix bombiformes, and the smaller a Eucera species. Can you confirm or correct? They were on Swamp Rose Mallow (Hibiscus moscheutos) Thank you!

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Possible Ptilothrix bombiformes? - Bombus bimaculatus Possible Ptilothrix bombiformes? - Bombus bimaculatus
Contributed by Mary Anne Borge on 8 August, 2016 - 8:34am
Last updated 7 October, 2019 - 11:58am

Moved
Moved from Honey, Bumble, Long-horned, Orchid, and Digger Bees.
… John S. Ascher, 7 October, 2019 - 11:58am

Moved
Moved from ID Request.
… John S. Ascher, 8 August, 2016 - 8:39am

Melissodes bimaculatus male
And Bombus bimaculatus
… John S. Ascher, 8 August, 2016 - 8:39am

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