Donacia semicuprea Panzer, 1796

Taxonomy: Polyphaga > Chrysomeloidea > Chrysomelidae > Donacia > Donacia semicuprea

Images

Donacia semicuprea
Donacia semicuprea

Description

Size: 5.8-7.8mm
Basic colour: Shiny copper, often with greenish reflection on the sides of the elytra.
Pattern colour: None
Number of spots: None
Pronotoum: As basic colour, with a deep midline pit ('sulcus') distinguishing it from other British Donaciinae.
Leg colour: As basic colour but appears pale grey due to dense pubescence.

Western Palaearctic.

Biology

Status: Locally common in England, scattered in Wales and Ireland, not recorded from Scotland.
Habitat: Various habitats where the host plant is present.
Host plant: Sweet-grasses Glyceria spp, mainly reed sweet-grass G. maxima, sometimes plicate sweet-grass G. notata.
Overwintering: Three-year life cycle, adults overwinter in cocoons.
Food: Adults on leaves, larvae at roots (also of branched bur-reed Sparganium erectum).

Distribution (may take a minute to appear)