Size: 4.6-5.7mm
Basic colour: Metallic green or blue.
Pattern colour: None
Number of spots: None
Pronotoum: As basic colour
Leg colour: As basic colour
Confusion species: Cryptocephalus aureolus

Size: 5.0-6.5mm
Basic colour: Blue-black, reddish and yellow
Pattern colour: Elytra yellow with a dark blue central band and three transverse stripes.
Number of spots: None, though the elytral banding effectively leaves three yellow spots per elytron.
Pronotoum: Reddish, often with a dark spot.
Leg colour: Dark blue-black; tibiae usually reddish at base.

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.

Size: 7.4-9.5mm
Basic colour: Black and yellowish-red
Pattern colour: 2 black spots on each yellowish-red elytron; the rear spot larger and may appear to be formed of two fused spots.
Number of spots: 2 on each elytron
Other colour forms: Rare
Pronotoum: Black
Leg colour: Black
Confusion species: Clytra laeviuscula

Size: 6-8mm
Basic colour: Head legs and body black, pronotum and elytra red.
Pattern colour: None
Number of spots: None
Pronotoum: Red
Leg colour: Black

First recorded in Britain in 1839, expanded its range especially since the 1980s. Widely regarded as a garden pest. See the Lily Beetle Survey here.