Bumblebee

Presentation

The bumblebee is a social flying insect belonging to the Apidae family, closely related to honeybees but stockier and hairier. It is distinguished by its massive body covered in dense hair, often striped with black and yellow, sometimes orange or white depending on the species. Found in temperate regions, it plays an essential role in pollinating wild and cultivated plants. The genus Bombus comprises several dozen species distributed mainly in the northern hemisphere.

The bumblebee's body is rounded, compact and covered in thick fur called pile, which allows it to regulate its body temperature. Its colors range from black to yellow, orange or white depending on the species and often serve as a warning to predators. Unlike the honeybee, it has a smooth stinger that it can reuse without dying.

Characteristics

Indicative values: they vary by subspecies, sex and region.

Habitat and distribution

Bumblebees inhabit flowering meadows, gardens, forest edges, and agricultural areas offering an abundance of flowers. They establish their nests in natural cavities such as abandoned rodent burrows, under leaf piles, or within hollow structures. They tolerate cooler climates than many other pollinating insects, including in mountain regions.

Behaviour

The bumblebee lives in small social colonies, generally numbering from a few dozen to a few hundred individuals, founded each spring by a mated queen. It remains active in cool temperatures thanks to its ability to warm its flight muscles through shivering. Less aggressive than the honeybee, it rarely stings, only when the nest is under direct threat.

Reproduction

Only the queen survives the winter and establishes a new colony in spring by laying her first eggs in an underground or sheltered nest. The colony develops during summer with the production of worker bees, then toward the end of the season new queens and males are produced. After mating, the fertilized young queens enter winter dormancy while the rest of the colony dies.

Peculiarities

Bumblebees can fly at relatively low temperatures thanks to their ability to generate body heat through muscular vibration. They sometimes practise 'buzz pollination', vibrating their flight muscles to release pollen from certain flowers such as tomatoes. Their characteristic buzzing sound gave them their common name.

Threats and conservation

Bumblebee populations are declining in several regions due to loss of floral habitats, pesticide use, and climate change. Competition from introduced species and certain parasitic diseases also affect colonies. Several species are monitored because of their major ecological role in pollination.

References

Profile updated 25 August 2026 · Reviewed by the TunisieVet editorial team.

CONSERVATION STATUS

Least concern (LC)

IUCN source, latest published assessment.

Documented diseases for this species.

This information is provided for educational purposes only and is not a substitute for a veterinary consultation. If you have any concerns about your animal's health, consult a veterinarian.

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