I found many of these leaf-rolling weevils (hime-kuro-otoshibumi) today – mainly on young sweet chestnut leaves. The female beetle lays an egg on a leaf and then rolls it up to provide protection and a food source for the grub.

Apoderus erythrogasterApoderus erythrogasterApoderus erythrogasterApoderus erythrogasterApoderus erythrogaster

Coleoptera: Attelabidae
Apoderus erythrogaster
leaf-rolling weevil = hime-kuro-otoshibumi

Location: Near Munakata Common(Google map)