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Checker bloom specialist bee

Diadasia diminuta

Small solitary bee specialized exclusively on native checker bloom (Sidalcea). Females have pollen-carrying hairs. Essential for checker bloom reproductive success.

Plants that support Checker bloom specialist bee

2 plants

Chaparral Mallow

Malacothamnus fasciculatus

critical

shrub

Specialist mallophile bee; larval food source

Bay Area native

Checker Bloom

Sidalcea malviflora

critical

perennial herb

Peak foraging Mar-Jun during bloom season; specialist pollinator

Bay Area native