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Popular traits
640 mason, leafcutter, carder, and resin bees species
Osmia nifoata
Hoplitis grinnelli
Atoposmia pycnognatha
Chelostoma cockerelli
Chelostoma incisulum
Osmia alpestris
Hoplitis remotula
Osmia brevis
Osmia cara
Megachile pascoensis
Megachile pseudonigra
Osmia raritatis
Osmia regulina
Osmia rostrata
Osmia vandykei
Stelis calliphorina
Stelis cockerelli
Stelis hurdi
Stelis interrupta
Stelis micheneri
Osmia tanneri
Osmia tarsata
Osmia aquilonaria
Osmia nearctica
Osmia maritima
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