Oulema rufocyanea (Suffrian, 1847)
Taxonomy: Polyphaga > Chrysomeloidea > Chrysomelidae > Oulema > Oulema rufocyanea
Images
Source:
Lech Borowiec
Description
Size: 4.0-4.8mm
Basic colour: Dark blue (elytra) and orange-red
Pattern colour: None
Number of spots: None
Pronotoum: Orange-red
Leg colour: Orange-red with dark tarsi
Confusion species: Oulema melanopus
Basic colour: Dark blue (elytra) and orange-red
Pattern colour: None
Number of spots: None
Pronotoum: Orange-red
Leg colour: Orange-red with dark tarsi
Confusion species: Oulema melanopus
Biology
Status: Widespread and common, especially in England.
Habitat: Various
Host plant: Various cereals and grasses
Overwintering: Adults hibernate in tussocks.
Food: Leaves of host plants.
Other notes: Very similar to O.melanopus, but usually smaller with flatter elytra. Certain separation requires dissection of the aedeagus which has a thick flagellum in O. melanopus and a thin one in O. rufocyanea.
Habitat: Various
Host plant: Various cereals and grasses
Overwintering: Adults hibernate in tussocks.
Food: Leaves of host plants.
Other notes: Very similar to O.melanopus, but usually smaller with flatter elytra. Certain separation requires dissection of the aedeagus which has a thick flagellum in O. melanopus and a thin one in O. rufocyanea.
Articles
Read, R.W.J. (1997). Record of Oulema rufocyanea (Suffrian) (Chrysomelidae) from the Isle of Wight. The Coleopterist 5(3): 89.