Oulema melanopus (Linnaeus, 1758)
cereal leaf beetle
on grasses
feeding pattern (© K Cutler; from Roberts & Walenta)
larva with parasitoid (© Washington State Department of Agriculture; from Roberts & Walenta)
parasite
Larvae free on the leaves, their body covered by a mantle consisting of a mix of frass and secretion; cause linear window feeding.
host plants
Poaceae, oligophagous
Bromus; Festuca; Hordeum vulgare; Ochlopoa annua; Poa; Secale cereale; Triticum aestivum; Zea mays.
phenology
Univoltine, hibernation as imago.
distribution within Europe
larva, pupa
Pictures in Rheinheimer & Hassler; see also Steinhausen (2001b).
notes
Pest in cereals.
references
Aslan, Gök, Gürbüz & Ayvaz (2009a), Bezděk & Baselga (2015a), Biondi (1994b), Fuss, Geiser & Patzner (2005a), Gavrilović & Ćurčić (2013a), Gavrilović, Gavrilović, Ćurčić, ao (2014a), Maican & Serafim (2016a), Noordijk, Ulenberg, Zwakhals ao (2016a), Rheinheimer & Hassler (2018a), Roberts & Walenta (2012a), Rozner & Rozner (2014a). Steinhausen (2001b), Troukens (2012b).