Cara Fitchett   cc-by-nc-4.0

Bombus caliginosus (Obscure Bumble Bee) is a species of Hymenoptera in the family Apidae. They are listed as vulnerable by IUCN. They visit flowers of Dudleya, scorpionweed, meadowfoam, and California figwort.

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EOL has data for 13 attributes, including:

Known occurrences, collected specimens and observations of Obscure Bumble Bee. View this species on GBIF