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140 mason bees species
Osmia lignaria
Osmia cornifrons
Osmia bucephala
Osmia bicornis
Osmia taurus
Osmia caerulescens
Osmia coloradensis
Osmia georgica
Osmia montana
Osmia pumila
Osmia distincta
Osmia texana
Osmia longula
Osmia cornuta
Osmia conjuncta
Osmia simillima
Osmia integra
Osmia inermis
Osmia subaustralis
Osmia ribifloris
Osmia pentstemonis
Osmia nigriventris
Osmia proxima
Osmia calla
Osmia atriventris
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