Red mason bee
Osmia bicornis
8,5 mmAdult female
Body length
Body length
od przodu głowy do końca odwłoka · bez czułków, nóg i wystających skrzydełMeasurement: side
Red mason bee — size comparison
The red mason bee is solitary. A female occupies an existing channel in wood, a hollow stem or masonry, dividing it with mud partitions. In each cell she leaves
Silhouette comparison
Length
od przodu głowy do końca odwłoka · bez czułków, nóg i wystających skrzydełScale for the stated dimensions · each animal is labelled
Measurement comparisonScale in cm
0246810
8.5 mm
8.56 cm
The scale compares the named dimensions. View direction and measurement points are given for each animal.
Red mason bee — size comparison — facts and sources
The red mason bee is solitary. A female occupies an existing channel in wood, a hollow stem or masonry, dividing it with mud partitions. In each cell she leaves an egg and a supply of pollen mixed with nectar.
Adults fly in spring when trees and shrubs flower. Their offspring develop later inside closed cells, without workers’ help. The channel remains the next generation’s development site long after the female’s flight season ends.