Chrysolina sanguinolenta (Linnaeus, 1758)
Taxonomy: Polyphaga > Chrysomeloidea > Chrysomelidae > Chrysolina > Chrysolina sanguinolenta
Images
Source:
Roger Key
Description
Size: 6.5-8.4mm
Basic colour: Elytra dark blue, sometimes with a violet reflection
Pattern colour: Elytra with yellowish to orange-red lateral margins.
Number of spots: None
Pronotoum: As basic colour
Leg colour: As basic colour
Confusion species: Chrysolina intermedia
, Confusion species: Chrysolina marginata
Basic colour: Elytra dark blue, sometimes with a violet reflection
Pattern colour: Elytra with yellowish to orange-red lateral margins.
Number of spots: None
Pronotoum: As basic colour
Leg colour: As basic colour
Confusion species: Chrysolina intermedia
, Confusion species: Chrysolina marginata
Biology
Status: Scarce (Notable A) and possibly declining - scattered, mostly in central and southern England
Habitat: Various
Host plant: Usually Common Toadflax (Linaria vulgaris), sometimes Snapdragon (Antirrhinum majus)
Overwintering: Unknown
Food: Leaves of host plants.
Other notes: Similar to C. intermedia, but ranges very different. Pronotum with front edge between the eyes slightly concave. Elytra less coarsely punctured than C. intermedia.
Habitat: Various
Host plant: Usually Common Toadflax (Linaria vulgaris), sometimes Snapdragon (Antirrhinum majus)
Overwintering: Unknown
Food: Leaves of host plants.
Other notes: Similar to C. intermedia, but ranges very different. Pronotum with front edge between the eyes slightly concave. Elytra less coarsely punctured than C. intermedia.