A medium-sized bumblebee species native to North America, characterized by distinctive yellow and black coloration patterns and important pollination capabilities.
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Ecology & Habitat
Habitat
Found in temperate mountain meadows, alpine regions, and subalpine zones across western North America, including regions of Canada and the United States, typically between 1,500-3,500 meters elevation.
Ecological Role
Critical pollinator for wildflowers, alpine vegetation, and agricultural crops; plays a significant role in ecosystem maintenance and biodiversity preservation.
Morphology
SKIN COATDense, insulating hair layer with yellow and black color bands, providing thermal regulation in cold alpine environments
LIMBS WINGSFour wings with typical hymenopteran venation, powerful flight muscles, pollen baskets (corbiculae) on hind legs for pollen transport
HEAD SENSORYLarge compound eyes, sensitive antennae for chemical and environmental detection, well-developed mandibles for nectar extraction
BODY STRUCTUREWorker bees approximately 15-20 mm in length, queens slightly larger at 20-25 mm, robust and densely hair-covered body
Data Source: TaxonHub Database
Image Credit: James P. Strange, USDA-ARS Pollinating Insect Research Unit
