Altica lythri

Size: 

4.5-5.5mm

Basic colour: 

Metallic purple-blue or blue, usually not very shiny. Sometimes greenish, rarely black.

Pattern colour: 

None

Leg colour: 

As basic colour

Altica lythri

Authority: 

Aubé, 1843
Size: 4.5-5.5mm
Basic colour: Metallic purple-blue or blue, usually not very shiny. Sometimes greenish, rarely black.
Pattern colour: None
Number of spots: None
Other colour forms: Sometimes
Pronotoum: As basic colour
Leg colour: As basic colour
Confusion species: Altica brevicollis

Size: 

2.8-4.2mm

Basic colour: 

Metallic green or blue

Pattern colour: 

None

Leg colour: 

As basic colour

Altica carinthiaca

Authority: 

Weise, 1888
Size: 3-4mm
Basic colour: Deep metallic blue.
Pattern colour: None
Number of spots: None
Spot fusions: None
Other colour forms: None
Pronotoum: As basic colour
Leg colour: As basic colour
Confusion species: Altica oleracea
, Confusion species: Altica palustris

Recognised as British in 2000, though specimens attributable to it have now been found in collections going back at least as far as 1939. It has previously been confused with A. palustris and A. pusilla var. montana.

Altica brevicollis

Authority: 

Foudras, 1860
Size: 3.5-4.5mm
Basic colour: Shiny metallic greenish, sometimes blue, rarely brassy.
Pattern colour: None
Number of spots: None
Other colour forms: Sometimes
Pronotoum: As basic colour
Leg colour: As basic colour
Confusion species: Altica lythri

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