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Bombus ternarius is a species of bees & apoid Wasps in the family bees. They visit flowers of Gaylussacia baccata, Yellow Clintonia, Black Chokeberry, and bunchberry dogwood. Individuals can grow to 18 mm.

EOL has data for 11 attributes, including:

Known occurrences, collected specimens and observations of Bombus ternarius Say 1837. View this species on GBIF