description Chelostoma florisomne Overview
Chelostoma florisomne is a slender solitary bee in the family Megachilidae, commonly associated with buttercups in the genus Ranunculus. Females collect pollen almost exclusively from these flowers and construct linear nests in existing narrow cavities, including hollow stems and holes in wood. The brood cells are separated with partitions made from mud or similar material, and adults occur across much of Europe in habitats where buttercups and suitable nesting cavities coincide.
help Chelostoma florisomne FAQ
Why is Chelostoma florisomne associated with buttercups?
Females collect pollen almost exclusively from buttercups in the genus Ranunculus. This narrow pollen preference makes flowering Ranunculus an important resource for reproduction.
Is Chelostoma florisomne a solitary bee?
Yes, it is a solitary megachilid bee. Each female provisions her own brood cells instead of maintaining a colony with workers.
Where does Chelostoma florisomne nest?
It uses existing narrow cavities, including hollow plant stems and other small openings. The female builds a linear series of brood cells inside the cavity.
How does Chelostoma florisomne provision its young?
A female gathers buttercup pollen and places food stores in individual brood cells. She lays an egg with each provision before sealing the cell and moving to the next one.
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