Beetle on alder leaf

Beetle on alder leaf

Observation - Beetle on alder leaf - UK and Ireland. Description: This beetle was spotted on an alder by the Cairngorm Club footbridge, about 300m asl. Green and shi

This beetle was spotted on an alder by the Cairngorm Club footbridge, about 300m asl. Green and shiny, so no excuses for very average (and limited angles) images! Not sure if species ID possible from apparent food plant and images here of beetle and frass on leaf.
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I looked at posts of this beetle and noted https://www.ispotnature.org/communities/uk-and-ireland/view/observation/637718/metallic-green-leaf-beetle and https://www.ispotnature.org/communities/uk-and-ireland/view/observation/769463/green-leaf-beetle among others, as well as descriptions and images elsewhere.