At only around 5mm and looking like a bit of mud, these Spiky Leaf Beetles are not the easiest things to spot, but I’ve found two in the last few days.

Dactylispa subquadrataDactylispa subquadrata

Coleoptera: Chrysomelidae
Dactylispa subquadrata
spiky leaf beetle = katabiro-toge-hamushi

Location: Lane near Munakata Common (Google map)