Colymbetes fuscus

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Description

A large diving beetle (length around 19 mm). Although this may look a dark species, the elytra are light straw brown and on close inspection have a network of black, transverse grooves. The beetle is darker brown underneath. The head and neck shield are also brown.

Identification difficulty
Habitat

Well vegetated lakes and ponds.

When to see it

All year round.

UK Status

Widespread and fairly frequent in Britain.

VC55 Status

Fairly common in Leicestershire and Rutland. There were a total of 132 VC55 records for this species up to March 2015.

  • David Nicholls
    Sandhills Lodge pond, Charnwood
    19 September 2022
  • JamesCalow
    Near Higham-on-the-Hill
    17 May 2017
  • Graham Calow
    Sapcote garden1
    21 June 2018
  • David Nicholls
    Ratby pond
    06 August 2014
  • Craig Mabbett
    broughton astley garden broughton astley
    10 August 2014
  • Graham Calow
    Sapcote garden1
    06 June 2016
    specimen examined
  • Graham Calow
    Sapcote garden1
    08/07/2017
    specimen examined

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map

Species data profile ?

Species profile

Species group:
Beetles
Kingdom:
Animalia
Order:
Coleoptera
Family:
Dytiscidae
Records on NatureSpot:
26
First record:
02/07/1989 (Derek Lott)
Last record:
06/03/2024 (Higgott, Mike)

Total records by month

% of records within its species group

10km squares with records

The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.

In the Latest Records section, click on the header to sort A-Z, and again to sort Z-A. Use the header boxes to filter the list.

Latest images

Latest records

  • Graham Calow
    Sapcote garden1
    14 April 2015
    specimen examined.
  • Graham Calow
    Sapcote garden1
    06 June 2016
    specimen examined
  • David Nicholls
    Ratby pond
    06 August 2014
  • Graham Calow
    Sapcote garden1
    08/07/2017
    specimen examined
  • Graham Calow
    Sapcote garden1
    17 July 2017
    specimen examined
  • egaten
    Thurlaston garden
    20 May 2020
  • egaten
    Thurlaston garden
    20 May 2020