Sunday, 30 September 2007

Great Diving Beetle (Dytiscus marginalis)

Adult Great Diving Beetle (subspecies D. m. marginalis) at Geddington, Northants - August 2011

Featured Subspecies: Dytiscus marginalis marginalis
Length: 27-35mm
UK Status: Not Evaluated IUCN Red List: Not Yet Evaluated

One of the largest and most powerful predators in small ponds - great diving beetles are one of the few insects in the UK capable of regularly tackling vertebrates - they feed on small fish like stickleback and minnows in addition to tadpoles.  There are a number of fairly similar Dytiscus diving beetle species in the UK, but this species is the most common.

Related Species:
Order: Coleoptera
Family: Dytiscidae
Genus: Dytiscus

SUBSPECIES: D. m. marginalis, D. m. czerskii

- Sighting Locations -
UNITED KINGDOM A common resident species which is seen in Summer
 - Seen in Geddington and several other sites

Further Notes: RSPB, Wikipedia, BirdGuides, BirdForum Opus, Arkive, IUCN Red List

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