Bembidion testaceum (Duftschmid, 1812)

Taxonomy: Adephaga > Carabidae > Bembidion > Ocydromus > Bembidion testaceum

Common name: 

Pale Pin-palp

Images

Bembidion testaceum

Description

Size: 4.5-5.5mm
Basic colour: Shiny black with a strong metallic green reflection.
Pattern colour: Elytra almost uniformly reddish brown with just a suggestion of a paler sub-apical mark, and a darker area around the scutellum and along the suture.
Pronotoum: Narrow compared to elytra, side borders very narrow, not reaching front angles, hind angles hardly protruding, base not punctured.
Leg colour: Brown.
Confusion species: Bembidion decorum
, Confusion species: Bembidion fluviatile

UK Priority Species data collation Bembidion testaceum

Biology

Status: Very scarce. Extremely local in England and south Wales.
UKBAP Species: Yes
Habitat: Sandy or gravelly river banks by slow moving water.
Other notes: Elytra very long, with six well-developed striae and convex intervals, seventh stria sometimes pertly developed.

Distribution (may take a minute to appear)