Taxonomy
- Polyphaga
- Chrysomeloidea
- Chrysomelidae
- Chrysolina
- Chrysolina oricalcia
Images
Source: Roger Key
Description
Size: 6.5-9.1mm
Basic colour: Dark blue, sometimes dark violet, very dark green, deep bronze or black with a bronze reflection.
Pattern colour: None
Number of spots: None
Other colour forms: Sometimes
Pronotoum: As basic colour
Leg colour: As basic colour
Confusion species: Chrysolina haemoptera
Basic colour: Dark blue, sometimes dark violet, very dark green, deep bronze or black with a bronze reflection.
Pattern colour: None
Number of spots: None
Other colour forms: Sometimes
Pronotoum: As basic colour
Leg colour: As basic colour
Confusion species: Chrysolina haemoptera
Biology
Status: Widespread but Scarce (Notable B) and may be declining in some parts of England.
Habitat: Various
Host plant: Various Apiaceae such as cow parsley
Overwintering: Unknown location, but adults do overwinter.
Food: Adults feed on leaves and possibly pollen; larvae feed on leaves at night and in the evening.
Other notes: Similar to C. haemoptera. Pronotum trapezoidal with longitudinal furrows towards the sides. Elytral striae formed of sparse punctures.
Habitat: Various
Host plant: Various Apiaceae such as cow parsley
Overwintering: Unknown location, but adults do overwinter.
Food: Adults feed on leaves and possibly pollen; larvae feed on leaves at night and in the evening.
Other notes: Similar to C. haemoptera. Pronotum trapezoidal with longitudinal furrows towards the sides. Elytral striae formed of sparse punctures.
Articles
-
(2000), Chrysolina oricalcia (Müller, O.F., 1776) (Chrysomelidae) new to West Lothian The Coleopterist 9(1):45