Size: 1.5-1.8mm Basic colour: Yellowish Pattern colour: None Number of spots: None Pronotoum: As basic colour Leg colour: As basic colour Confusion species: Aphthona pallida
Size: 2.3-2.5mm (possibly from 1.8mm) Basic colour: Shiny black, sometimes dark blue. Pattern colour: None Number of spots: None Other colour forms: Sometimes Pronotoum: As basic colour Leg colour: Yellow (see 'other notes' below).
Size: 2.0-2.5mm Basic colour: Yellowish Pattern colour: None Number of spots: None Pronotoum: As basic colour Leg colour: As basic colour Confusion species: Aphthona nigriceps
Size: 1.9-2.2mm Basic colour: Bright metallic green, rarely bluish Pattern colour: None Number of spots: None Other colour forms: Rare Pronotoum: As basic colour Leg colour: As basic colour
Large Flax Flea Beetle, or Flax and Linseed Flea Beetle
Size: 1.8-2.0mm Basic colour: Shiny black or dark metallic greenish to bronze. Pattern colour: None Number of spots: None Pronotoum: As basic colour Leg colour: As basic colour Confusion species: Aphthona ?atratula
