![Great Diving Beetle](/sites/default/files/styles/node_hero_default/public/2018-01/Great%20Diving%20Beetle%20%28c%29%20Jack%20Perks.jpg?h=6a3ea8ec&itok=jxI91ebT)
Great Diving Beetle ©Jack Perks
Great diving beetle
Scientific name: Dytiscus marginalis
The Great diving beetle is a large and voracious predator of ponds and slow-moving waterways. Blackish-green in colour, it can be spotted coming to the surface to replenish the air supply it stores beneath its wing cases.
Species information
Statistics
Length: 3cmConservation status
Common.