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Colorado National Monument Bumble Bee Guide 🐝

This ID guide can be used to help you or others ID bumble bees that are found in Colorado National Monument in Colorado state (U.S.)

Small body

Queen 15 - 19 mm
Worker 8 - 14 mm
Male 8 - 13 mm

Queen 18 - 21 mm
Workers 11 - 17 mm
Male 13 - 16 mm

Queen 18 - 23 mm
Worker 10 - 16 mm
Male 12 - 18 mm

Queen 18 - 21 mm
Workers 8 - 17 mm
Male 10 - 15 mm

Large Bumble Bee

Queen 22 - 26 mm
Worker 12 - 22 mm
Male 15 - 20 mm

Queen 22 - 26 mm
Worker 13 - 19 mm
Male 15 - 21 mm

Small body, long hair

Queen 15 - 17 mm
Worker 10 - 14 mm
Male 11 - 14 mm

No worker
Queen 18 - 23 mm
Male 13 - 16 mm