Phyllobius arborator · šeriuotasis lapinukas

• Gebirgs-Blattrüssler
• šeriuotasis lapinukas
• naliściak drzewoszek, naliściak klonowy

https://en.wikipedia.org/wiki/Phyllobius_arborator This beetle is present in most of Europe. The soil-living larvae feed on the roots of host plants, while the adults feed on leaves of deciduous trees and shrubs. The adults 6 - 8 mm long and can be encountered from April through August. The colour of the body is metallic blue-green.