Donacia obscura Gyllenhal, 1813

Taxonomy: Polyphaga > Chrysomeloidea > Chrysomelidae > Donacia > Donacia obscura

Images

Donacia obscura
Donacia obscura

Description

Size: 8.1-10.7mm
Basic colour: Dull bronze-brown
Pattern colour: None
Number of spots: None
Pronotoum: As basic colour
Leg colour: As basic colour
Confusion species: Donacia bicolora
, Confusion species: Donacia marginata

Palaearctic.

Biology

Status: Scattered, mainly in the north and west. Scarce (Notable A) but also RDB listed.
RDB Category: Vulnerable (RDB2)
Habitat: Various boggy areas with Cyperaceae (sedges and club-rushes); in Scotland, especially associated with beds of beak-sedges, Rhynchospora spp.
Host plant: Various Cyperaceae, especially bottle sedge, Carex rostrata.
Overwintering: As adults.
Food: Adults on pollen, larval food unknown.

Distribution (may take a minute to appear)