Iris Leaf Beetle - Aphthona nonstriata (Goeze, 1777)

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Classification Order: Coleoptera– Leaf Beetles Family: Chrysomelidae

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Length . 2.6-2.8mm ,

Phenology May and June.


One of The largest British Aphthona. Basic colour: Bright metallic blue, sometimes dark green or dark brassy/bronze, rarely almost black.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.

Leg colour: Mostly as basic colour, hing femora red-brown to dark brown, sometimes darker apically.

Food: Adults eat long narrow strips from iris leaves, larvae are iris leaf miners.

Life Cycle Overwintering: Adults hibernate in tussocks and moss.

Habitat Yellow iris (Iris pseudacorus) at or near water

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