There were hundreds of these small flower beetles on the hedge parsley. The name in Japanese (hirata hanamuguri) means flat flower beetle, because this species has a relatively flat body.

Nipponovalgus angusticollisNipponovalgus angusticollisNipponovalgus angusticollis

Coleoptera: Scarabaeidae: Nipponovalgus angusticollis (hirata hanamuguri)