Dytiscus larvae

Dytiscus larvae

Observation - Dytiscus larvae - UK and Ireland. Description: it was in a boggy, well vegetated area with brackish water not far from an estuary. It's very large (about 4-5cm).

it was in a boggy, well vegetated area with brackish water not far from an estuary. It's very large (about 4-5cm).