sweat bee halictus rubicundus on a pink evening primrose oenothera speciosa blossom

oenothera speciosa rosea petal bloom botany primrose pink evening onagraceae pinkladies grassland sweat bee halictidae halictus rubicundus hymenoptera animal beautiful biodiverse biodiversity blooming flower blossom close up color ecosystem environmental protection fauna garden green insect insecticides meadow natural nature nectar organic pesticide plant pollen pollination summer wild wings