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Prong-faced Slender-Mason Bee
Protosmia rubifloris
Megachilidae
Protosmia
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Description
Protosmia rubifloris is a small-medium, black bee (~7.5 mm), with white hair bands at the apex of each tergal segment of the abdomen. Females have long, slender mandibles projecting forward and a spatula-like process projecting out from the clypeus (lower face). These facial features are lacking in males, which appear similar to Heriades, with six abdominal tergal segments visible, but Protosmia lack abdomen that curls under.
Nectar/
Pollen Plants
A flower generalist; may use a specific pollen/nectar flower species for each nest provisioning.
Habits
Nest in pieces of wood, including pine cones, using resin to cap each cell.
Season
April - August
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