Leaf beetle - Donacia sp. Vulgaris or other?

Leaf beetle - Donacia sp. Vulgaris or other?

Observation - Leaf beetle - Donacia sp. Vulgaris or other? - UK and Ireland. Description: Leaf beetle adult found on pendulous sedge by mature small garden pond. Other vegetation present includes Typha, yellow flag iris, pond weeds, water mint, purple loosestrife, water violet, greater spearwort, yellow loosestrife.

Leaf beetle adult (approx 8-12mm long) found on pendulous sedge by mature small garden pond. Other vegetation present includes Typha, yellow flag iris, pond weeds, water mint, purple loosestrife, water violet, greater spearwort, yellow loosestrife.