Chrysolina marginata (Linnaeus, 1758)
Taxonomy: Polyphaga > Chrysomeloidea > Chrysomelidae > Chrysolina > Chrysolina marginata
Description
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
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
Biology
Status: Scarce (Notable A) and possibly declining - widely scattered; may be under-recorded as adults and larvae are nocturnal.
Habitat: Open grasslands and heaths.
Host plant: Yarrow (Achillea millefolium)
Overwintering: Adults hibernate from mid-November to April.
Food: Leaves of host plants.
Other notes: May be found by turning over stones; adults shelter at/near the base of yarrow plants during the day.
Habitat: Open grasslands and heaths.
Host plant: Yarrow (Achillea millefolium)
Overwintering: Adults hibernate from mid-November to April.
Food: Leaves of host plants.
Other notes: May be found by turning over stones; adults shelter at/near the base of yarrow plants during the day.
Articles
Denton, J.S. (1997). Chrysolina marginata (Linnaeus) (Chrysomelidae) new for Hampshire. The Coleopterist 5(3): 82.