🐝 Ants, Bees & Wasps

Two-coloured Mason Bee

Osmia bicolor

About Two-coloured Mason Bee

A distinctive bee with a black head and thorax and bright orange abdominal hair. It uniquely nests inside empty snail shells on chalk grasslands.

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Did You Know?

After filling a snail shell with pollen and eggs, the female camouflages it by piling grass and plant stems over it.

How to Identify Two-coloured Mason Bee

Two-coloured Mason Bee (Osmia bicolor) belongs to the order Hymenoptera, family Megachilidae. Adults typically measure 8-11 mm.

Two-coloured Mason Bee Habitat

Two-coloured Mason Bee is found in grasslands habitats, particularly across Europe. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Two-coloured Mason Bee Diet and Feeding

Two-coloured Mason Bee feeds primarily on nectar from flowers. In doing so, it acts as an important pollinator, transferring pollen between plants and contributing to plant reproduction and biodiversity.

Where Is Two-coloured Mason Bee Found?

Two-coloured Mason Bee can be found in Europe, where it inhabits grasslands environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Two-coloured Mason Bee can be found

Is Two-coloured Mason Bee Dangerous?

Two-coloured Mason Bee belongs to the order Hymenoptera, which includes many stinging insects. While not typically aggressive, it may sting if threatened or handled. Stings can cause pain and swelling, and in rare cases may trigger allergic reactions in sensitive individuals.

Two-coloured Mason Bee Role in Nature

Two-coloured Mason Bee plays an important role as a pollinator. By visiting flowers to feed on nectar or pollen, it transfers pollen between plants, aiding in reproduction and helping to maintain plant diversity. Pollinators are essential for the production of many fruits, vegetables, and wildflowers.

Seasonal Activity

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Peak activity Moderate Low / dormant

Frequently Asked Questions About Two-coloured Mason Bee

What does Two-coloured Mason Bee look like?

The Two-coloured Mason Bee typically measures 8-11 mm.

Where is Two-coloured Mason Bee found?

The Two-coloured Mason Bee is found in Europe and typically inhabits grasslands environments.

What does Two-coloured Mason Bee eat?

The Two-coloured Mason Bee feeds primarily on nectar from flowers.

Is Two-coloured Mason Bee dangerous to humans?

The Two-coloured Mason Bee belongs to the order Hymenoptera, which includes stinging insects. While not typically aggressive, it may sting if threatened or handled.

What is an interesting fact about Two-coloured Mason Bee?

After filling a snail shell with pollen and eggs, the female camouflages it by piling grass and plant stems over it.

Cite This Page

APA:
InsectDiscover. (2026). Two-coloured Mason Bee (Osmia bicolor). Retrieved from https://insectdiscover.com/insect/two-coloured-mason-bee

MLA:
"Two-coloured Mason Bee." InsectDiscover, https://insectdiscover.com/insect/two-coloured-mason-bee.