UK Beetle Recording

Philorhizus sigma

Taxonomy

Adephaga
Carabidae
Philorhizus
Philorhizus sigma

Description

Size: 3.4-4.4mm
Basic colour: Brown
Pattern colour: Head black, pronotum bright reddish, elytra straw-coloured with a dark sutural mark and transverse band leaving apices completely pale.
Pronotoum: Bright reddish. Transverse rather contracted basally.
Leg colour: Pale.
Confusion species: Philorhizus vectensis

Biology

Status: Scarce. Local in Norfolk, Yorkshire and Lincolnshire.
RDB Category: Vulnerable
Habitat: Marshes, fens and at the margins of standing fresh water.
Other notes: Elytra elongate, widened apically and with shoulders completely rounded; strias very fine; wings usually absent.

Distribution (may take a minute to appear)

Distribution Map

Philorhizus vectensis

Taxonomy

Adephaga
Carabidae
Philorhizus
Philorhizus vectensis

Description

Size: 3.2-3.7mm
Basic colour: Brown.
Pattern colour: Head black, elytra straw-coloured with a dark transverse band sub-apically; this extends forwards medially along the suture, and backwards laterally to include the apical angles of the elytra. Underside of the abdomen black or dark brown.
Pronotoum: Bright reddish.
Leg colour: Pale.
Confusion species: Philorhizus sigma

UK Priority Species data collation for Philorhizus vectensis

Biology

Status: Scarce. Local along the English south coast from Cornwall to Kent, occasionally inland, Essex and Suffolk.
UKBAP Species: Yes
Habitat: Partly vegetated dry sand or shingle near the coast.
Other notes: Elytra with shoulders rounded, sides also rounded, widest just behind middle; striae distinct with fine punctures. Wings absent.

Distribution (may take a minute to appear)

Distribution Map

Philorhizus quadrisignatus

UKBAP Species

Yes

Size

3.5-4mm

Basic colour

Head black, pronotum dark reddish brown, elytra brown.

Pattern colour

Elytra brown with a pale mark behind each shoulder and pale mark at apices of elytra.

Leg colour

Pale.

Read more about Philorhizus quadrisignatus

Philorhizus quadrisignatus

Taxonomy

Adephaga
Carabidae
Philorhizus
Philorhizus quadrisignatus

Description

Size: 3.5-4mm
Basic colour: Head black, pronotum dark reddish brown, elytra brown.
Pattern colour: Elytra brown with a pale mark behind each shoulder and pale mark at apices of elytra.
Pronotoum: Tansverse. Hardly sinuate in front of obtuse hind angles.
Leg colour: Pale.

Biology

UKBAP Species: Yes
Habitat: Deciduous woods and shrubby land, both on the trees and in the litter.
Other notes: Head strongly constricted behind the eyes. Elytra wide and flat, striae almost absent. Wings present.