Neogalerucella calmariensis or N pusilla,u,back dry
Neogalerucella calmariensis or N pusilla,u,back dryForeign Extremists: Yep, these species are attacking Purple Loosestrife left and right. Imported plant being attacked by imported beetles. This is either Neogalerucella calmariensis or N. pussila, it is not clear to me how to tell them apart, but I lean towards the former, if anyone cares.