Common carder bee (Bombus pascuorum)

Common carder bee (Bombus pascuorum)
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🐝 Common Carder Bee (Bombus pascuorum) – Overview

The Common Carder Bee is a widespread species of bumblebee found throughout Europe and parts of Asia. It’s easily recognized by its gingery-brown fur and its gentle behavior. As one of the last bumblebees active into autumn, it’s a vital late-season pollinator.


🔍 Identification

FeatureDescription
SizeWorkers: 10–14 mmQueens: 15–18 mmMales: 13–15 mm
ColorGinger-brown thorax; variable abdomen (tan, brown, or dark bands)
HairFluffy, with a soft and “carded” appearance (hence the name)
FaceLong-tongued; adapted for deep flowers

Similar species include Bombus muscorum and Bombus humilis, but B. pascuorum is more common in gardens and urban settings.


🌼 Habitat & Flowers

  • Found in gardens, meadows, hedgerows, roadsides, and urban areas.
  • Forages from a wide range of flowers, including:
    • Red clover, vetch, dead-nettle, knapweed, lavender, and borage.

🐝 Nesting Behavior

  • Nests above ground in dense grass, moss, or compost heaps.
  • The queen uses moss and grass to “card” and line the nest, giving the species its name.
  • Colonies are relatively small (50–150 workers).

♻️ Life Cycle

  1. Spring: Queen emerges and finds a nest site.
  2. Early Summer: First brood of workers hatches.
  3. Mid–Late Summer: Male bees and new queens produced.
  4. Autumn: Males and old queens die; new queens hibernate.

🧠 Fun Facts

  • Unlike honeybees, bumblebee colonies do not survive winter — only new queens overwinter.
  • One of the last bumblebee species active into October/November, depending on the region.
  • Considered a key pollinator in both wild and agricultural ecosystems.

🌱 How to Help Them

  • Grow nectar-rich flowers that bloom from spring to autumn.
  • Avoid using pesticides, especially neonicotinoids.
  • Leave areas of unmown grass or log piles for potential nesting sites.
See also  Common Mayfly (Ephemera vulgata)

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