spirea japanese (feather-fern, astilbe japonica) and cuckoo bee

astilbe beautiful beauty bee black bloom blooming blossom blue bluebottle bluett bombus bumblebee bumblebees carder centaury cities collecting collects cuckoo false feather fern flora floral flower forestry garden gardening good homeless honey humblebee insect japanese japonica landscaping meliferous municipal nectar nectariferous orchard parasitic park parkland pink plant pollen psithyrus purple scale shrubs spirea summer urban vegetation wild