Metopolophium dirhodum (Walker, 1849)
rose – grain aphid
on Rosa, primary host plant
Rosa, UK © Bob Dransfield & Bob Brightwell, InfluentialPoints
parasite
Apterae 2-3 mm, green or yellowish green with a brighter green spinal stripe; antennae with dark apices to each segment.
host plants
Rosaceae, monophagous
Rosa boissieri, canina, carolina, glauca, pendulina, pisocarpa, rubiginosa, rugosa.
Both on wild and cultivated roses
on grasses etc., secondary host plants.
host plants
Poaceae, oligophagous
Agrostis capillaris; Alopecurus pratensis; Anisantha sterilis, tectorum; Arrhenatherum elatius; Avena barbata, fatua, sativa, sterilis; Ceratochloa cathartica; Cynosurus elegans; Dactylis glomerata; Deschampsia; Festuca; Glyceria; Hordeum marinum, murinum, vulgare & subsp. aegiceras + distichon; Phalaris arundinacea; Phalaroides arundinacea; Phleum pratense; Phragmites australis; Poa compressa; Schedonorus pratensis; Secale cereale; Triticum aestivum, turgidum & subsp. dicoccon + durum + polonicum; Zea mays.
Also on unspecified Cyperaceae and even Iris; Luzula alpinopilosa; Typha angustifolia, latifolia.
synonyms
Acyrthosiphon dirhodum; Metopolophium graminum (Theobald, 1913).
notes
Important pest on cereal crops; sometimes very numerous.
references
Aguirre-Segura, Pascual & Cueto (1993a), Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Blackman & Eastop (2017), Börner & Franz (1956a), Buga & Stekolshchikov (2012a), Durak, Durak & Borowiak-Sobkowiak (2011a), González Funes & Michelena Saval (1988b), Heie (1994a), Lampel & Meier (2007a), Mier Durante, Seco Fernández & Nieto Nafría (1989a), Mifsud, Mangion, Azzopardi ao (2011a), Nieto Nafría (1976a), Nieto Nafría & de Benito Dorrego (1976a), Nieto Nafría & Mier Durante (1982a), Nieto Nafría, Muñoz Martínez & Mier Durante (1987a), Pérez Hidalgo, Martínez Peláez & Nieto Nafría (2001a), Petrović (1998a), Piron (2017a), Suay Cano & González Funes (1998b), Tambs-Lyche (1968a), Wojciechowski, Depa, Halgoš ao (2016a).