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Carabidae mini collection

For this mini-collection, I provided with a tray of ground beetle specimens following an identification demonstration at The Oxford University Museum of Natural History, conducted by Dr James Hogan.

 

The task for this mini-collection was to correctly identify the specimens to species, through the use of the following key: "The Carabidae (ground beetles) of Britain and Ireland" by Martin L. Luff. 

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Identifying Carabidae is an essential tool as they are great bioindicators and model organisms for monitoring and understanding environmental health (Koivula 2011). The high sensitivity seen throughout species of ground beetles to anthropogenic factors, such as agricultural practices and habitat fragmentation, make them key biological sensors which reflect the quality of their environment. Furthermore, as they are well researched and easily sampled, the ability to identify different species of Carabidae allows for more precise, data-driven insights into ecosystem health to be made. 

IMG_3586.heic

Specimen 1: Carabus nemoralis O.F.Müller

Key notes:

• Dark blackish elytra with three rows of small pits (primary foveae) on each elytron

• Metallic purple sheen on outer edges of pronotum

• Large in size (22–28 mm)

‘Det’ label:

Carabus nemoralis Müller, 1764

Connor Tate, 2025

Specimen number label:

1

Locality label:

UK: South Yorkshire (VC63)

Sheffield; Endcliffe Park

SK 327 858

Under logs in mixed deciduous woodland edge

14.v.2025 / Connor Tate

Specimen 2: Platynus assimilis Paykull

‘Det’ label:

Platynus assimilis Paykull, 1790

Connor Tate, 2025

Specimen number label:

2

Locality label:

UK: Oxfordshire (VC23)

Wytham Woods

SP 461 083

In leaf litter near seasonal pool; Fagus/Quercus woodland

23.iv.2025 / Connor Tate

Key notes:

• Very deep, clear longitudinal grooves (striae) seen in elytra

• Heart shaped pronotum, narrows sharply towards the base with very sharp, right-angled hind corners

• Medium in size (10–13 mm)

Specimen 3: Amara lunicollis Schiødte

Key notes:

• The first three segments of the antennae are pale

• Base of the pronotum has two small, distinct impressions (foveae) on each side

• Small to medium in size (7–9 mm)

‘Det’ label:

Amara lunicollis Schiødte, 1837

Connor Tate, 2025

Specimen number label:

3

Locality label:

UK: Surrey (VC17)

Chobham Common

SU 973 648

Sandy path margin amongst Calluna vulgaris

05.vi.2025 / Connor Tate

Specimen 4: Agonum piceum Linnaeus

‘Det’ label:

Agonum piceum Linnaeus, 1758

Connor Tate, 2025

Specimen number label:

4

Locality label:

UK: Cambridgeshire (VC29)

Wicken Fen NNR

TL 551 704

Sifted from Phragmites litter at marsh edge

17.vii.2025 / Connor Tate

Key notes:

• Three small dorsal punctures on the third interval of elytra

• Rounded pronotum (hind angles lack sharp corners)

• Pale palps

• Small in size (5–7 mm)

Curation Process

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References

Koivula, M.J., 2011. Useful model organisms, indicators, or both? Ground beetles (Coleoptera, Carabidae) reflecting environmental conditions. ZooKeys, (100), p.287.

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