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Black-notched Bumble Bee

Black-notched Bumble Bee

Bombus bifarius

A native North American bumble bee species belonging to the genus Bombus, characterized by distinctive black and yellow coloration with notable black markings.

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Black-notched Bumble Bee
Black-notched Bumble Bee
Black-notched Bumble Bee
Black-notched Bumble Bee
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Ecology & Habitat

Habitat

Found across western North America, including mountainous regions of the Pacific Northwest, ranging from British Columbia to California, preferring alpine and subalpine meadows with rich floral diversity.

Ecological Role

Critical pollinator for wildflowers, agricultural crops, and mountain ecosystem plant reproduction, contributing significantly to regional biodiversity and plant genetic transfer.

Morphology

  • SKIN COAT Dense, insulating hair covering providing thermal regulation in cold mountain habitats
  • LIMBS WINGS Strong flight muscles, two pairs of membranous wings with intricate venation, specialized pollen-collecting legs with scopae for efficient foraging
  • HEAD SENSORY Large compound eyes, sensitive antennae for environmental and chemical detection, complex mandibular structures for nectar collection
  • BODY STRUCTURE Medium-sized bee, approximately 15-20 mm in length, with robust, fuzzy body adapted for high-altitude and cooler temperature environments
Data Source: TaxonHub Database
Image Credit: USGS Bee Inventory and Monitoring Lab from Beltsville, Maryland, USA
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