Which genus, mentioned in the text, primarily contains mason bees known for being overwhelmingly solitary?

Answer

Osmia

The *Osmia* genus includes the mason bees, a diverse group where the lifestyle is overwhelmingly solitary, meaning every female acts as her own queen and builds individual nests.

Which genus, mentioned in the text, primarily contains mason bees known for being overwhelmingly solitary?
animalinsectbeeclassification