Size: 2-3mm
Basic colour: Black and yellow
Pattern colour: See notes below.
Number of spots: See notes below.
Other colour forms: Sometimes
Pronotoum: Black with fine yellow front and side margins; often two yellow spots near the middle of the rear edge.
Leg colour: Yellow

Size: 7.5-10.0mm
Basic colour: Metallic blue or greenish with red/red-brown elytra
Pattern colour: None
Number of spots: None
Pronotoum: Metallic blue or greenish
Leg colour: Metallic blue or greenish
Confusion species: Chrysomela populi

Once widely scattered across southern and eastern England, and possibly south Wales - now possibly extinct...

Size: 10-12mm
Basic colour: Metallic blue or greenish with red/red-brown elytra
Pattern colour: Dark apical spot on elytra
Number of spots: 1 per elytron
Pronotoum: Metallic blue or greenish
Leg colour: Metallic blue or greenish
Confusion species: Chrysomela tremula

One of Britain's larger and more distinctive chrysomelids.

Size: 6.3-8.0mm
Basic colour: Metallic green, sometimes blue or brassy. Occasionally pronotum and elytra are different colours.
Pattern colour: None
Number of spots: None
Other colour forms: Sometimes
Pronotoum: As basic colour
Leg colour: As basic colour

Size: 5.0-6.8mm
Basic colour: Head, pronotum, legs and underside brassy or metallic dark green. Elytra red-bronze with orange-yellow lateral margins.
Pattern colour: None
Number of spots: None
Pronotoum: As basic colour
Leg colour: As basic colour, or dark brown.
Confusion species: Chrysolina intermedia
, Confusion species: Chrysolina sanguinolenta