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Bombus ruderarius

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description Bombus ruderarius Overview

*Bombus ruderarius*, commonly known as the red-shanked carder bee, is a species of bumblebee native to Europe. As a eusocial insect, it lives in colonies founded by a single queen who constructs a nest out of moss and grass on the ground's surface. The bee is characterized by its black body and distinctive reddish-orange hairs on its legs and corbicles. In recent decades, the species has experienced a severe population decline across its native range, primarily driven by the loss of unimproved grassland habitats.

help Bombus ruderarius FAQ

What does the Bombus ruderarius bee look like?

Bombus ruderarius, commonly known as the red-shanked carder bee, is a small bumblebee characterized by its distinctive red tail and black body. It is named for the red hairs found on its hind legs, or corbiculae.

Why is the red-shanked carder bee declining?

The population of Bombus ruderarius has severely declined across Europe primarily due to the loss of traditional grassland habitats. The widespread use of agricultural herbicides has also drastically reduced the availability of the clover and vetch flowers they rely on for forage.

What plants does Bombus ruderarius prefer?

This bee species heavily favors plants in the pea family, such as clovers, vetches, and bird's-foot-trefoil. They use these specific flowers for both nectar and collecting pollen to feed their colonies.

How can I help the red-shanked carder bee?

To help support Bombus ruderarius, gardeners can plant native wildflowers, particularly legumes like red clover and trefoil. Leaving unmowed areas of grass and avoiding pesticide use also creates vital nesting and foraging habitats.

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