Chaetocnema confusa (Boheman, 1851)
Taxonomy: Polyphaga > Chrysomeloidea > Chrysomelidae > Chaetocnema > Chaetocnema confusa
Description
Size: 1.8-2.5
Basic colour: Black with a leaden reflection; sometimes bluish or dark bronze
Pattern colour: None
Number of spots: None
Other colour forms: Sometimes
Pronotoum: As basic colour
Leg colour: Front femora brown with faint metallic reflection, others blackish; tibiae and tarsi yellowish
Basic colour: Black with a leaden reflection; sometimes bluish or dark bronze
Pattern colour: None
Number of spots: None
Other colour forms: Sometimes
Pronotoum: As basic colour
Leg colour: Front femora brown with faint metallic reflection, others blackish; tibiae and tarsi yellowish
Biology
Status: Widespread but local in England and Wales.
Habitat: Various habitats, usually wet.
Host plant: Various sedges, also purple moor-grass Molinia caerulea, possibly also rushes.
Overwintering: Adults in moss and grass tussocks.
Food: Adults on leaves, larvae on roots.
Other notes: Unidentified braconid wasp larva is an internal parasite.
Habitat: Various habitats, usually wet.
Host plant: Various sedges, also purple moor-grass Molinia caerulea, possibly also rushes.
Overwintering: Adults in moss and grass tussocks.
Food: Adults on leaves, larvae on roots.
Other notes: Unidentified braconid wasp larva is an internal parasite.