Gastrophysa polygoni (Linnaeus, 1758)

Taxonomy: Polyphaga > Chrysomeloidea > Chrysomelidae > Gastrophysa > Gastrophysa polygoni

Images

Gastrophysa polygoni

Description

Size: 3.9-5.0mm
Basic colour: Metallic blue or violet (rarely green) with pronotum, legs and antennal segments 1-4 orange-red
Pattern colour: None
Number of spots: None
Other colour forms: Rare
Pronotoum: Orange-red
Leg colour: Orange-red with variably dark tarsi

Biology

Status: Common and widespread.
Habitat: Various
Host plant: Various, but usually Knotgrass (Polygonum aviculare)
Overwintering: Adults overwinter and have been recorded every month except December.
Food: Leaves of host plants.

Distribution (may take a minute to appear)