Great diving beetle

Great diving beetle icon

Great diving beetle

Invertebrate
Great Diving Beetle
Great Diving Beetle

A large, predatory water beetle that hunts in ponds and slow-moving streams.

💡 Fun Facts

  • They breathe underwater by trapping a bubble of air under their wing cases.
  • Both the adults and their larvae are fierce predators that even eat small fish.
  • They can fly and often move between ponds at night.
Name Story

Dytiscus marginalis

means “the bordered diver”

What does its name mean?
  • Dytiscus — diver, able to diveGreek (dyein, 'to dive/plunge')
  • marginalis — bordered, marginedLatin

Its name says exactly what it is and what it does: a bold hunting beetle rimmed with a neat pale border, which dives beneath the pond carrying its own bubble of air tucked under its wing-cases.