Nov 2, 2023 · Most western bumble bee nests have been found in belowground cavities, including in abandoned rodent burrows on open west-southwest facing slopes, bordered by trees, although a few nests have been reported in aboveground locations including in …

Apr 17, 2023 · A Western bumble bee nest that was excavated from an alpine meadow in the Cascade Mountains in Oregon. “We were hiking around and within 20 minutes, Alan and I stumbled across a nest. We saw a worker bee fly down to the ground behind a rabbitbrush bush.

The western bumble bee has three basic habitat requirements: suitable nesting sites for the colonies, nectar and pollen from floral resources available throughout the duration of the colony period (spring, summer and fall), and suitable overwintering …

While a substantial amount is known about what constitutes high quality foraging habitat, much less is known about where the western bumble bee overwinters and nests. This document characterizes western bumble bee nesting habitat and provides management recommendations to conserve bumble bee nests.

Bumble bees like to nest in pre-existing cavities that provide insulation and protection from the elements, such as old rodent burrows, bunch grasses, and as you may have found out— man-made structures, like bird houses, insulation, or even the cotton batting of old furniture.

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Jun 30, 2020 · Bumble bees typically nest underground in abandoned rodent nests or other cavities with pre-existing insulation. Some species also nest on the surface of the ground. We know less about overwintering bumble bees, but loose bare ground and evergreen needle litter in wooded and open areas seem to be important.

Aug 14, 2023 · Discover the natural habitats and nesting locations of bumble bees, including meadows, forests, gardens, underground burrows, and above-ground structures.

It was historically the most common bumble bee in the Pacific Northwest, accounting for more than 15% of all observations, yet it comprised less than 2% of observations by Atlas surveyors. We found Western Bumble Bee most often in the Cascade, Idaho Batholith, and …

Most western bumble bee nests have been found in cavities, including in abandoned rodent burrows on open west-southwest facing slopes, bordered by trees, although a few nests have been reported in above-ground locations including in logs among railroad ties (Plath 1922, Hobbs 1968, Thorp et al. 1983,