Aphthona nonstriata (Goeze, 1777)

Taxonomy: Polyphaga > Chrysomeloidea > Chrysomelidae > Aphthona > Aphthona nonstriata

Images

Aphthona nonstriata

Description

Size: 2.6-2.8mm
Basic colour: Bright metallic blue, sometimes dark green or dark brassy/bronze, rarely almost black.
Pattern colour: None
Number of spots: None
Other colour forms: Sometimes
Pronotoum: As basic colour
Leg colour: Mostly as basic colour, hing femora red-brown to dark brown, sometimes darker apically.

Biology

Status: Common and widespread.
Habitat: Various near water
Host plant: Yellow iris (Iris pseudacorus)
Overwintering: Adults hibernate in tussocks and moss.
Food: Adults eat long narrow strips from iris leaves, larvae are iris leaf miners.
Other notes: The largest British Aphthona. Underside dark brown. Antennae dark brown except for segments 2-3 (sometimes 1-4) which are yellowish. Frontal ridge of the head (running vertically between the antennal bases) wide and flat.

Distribution (may take a minute to appear)