Metopolophium dirhodum (Walker, 1849)

rose – grain aphid

on Rosa, primary host plant

Metopolophium dirhodum: apterae on Rosa

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

Metopolophium dirhodum on Triticum aestivum

Triticum aestivum, Hungary, Mosonmagyaróvár, 19.vi.2015 © László Érsek

Metopolophium dirhodum on Triticum aestivum

aptera with larvae

Metopolophium dirhodum on Triticum aestivum

aptera, parasitised by a trombiid larva

Metopolophium dirhodum on Avena fatua

Avena fatua, Hungary, Mosonmagyaróvár, 19.vi.2015 © László Érsek: more trobidiid larvae

Metopolophium dirhodum on Avena fatua

trombidiid larva

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), Łabanowski (0000a), 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).