Sitobion avenae (Fabricius, 1775)

english grain aphid

on grass-like plants

Sitobion avenae: aptera on Triticum spec.

Triticum spec., UK © Bob Dransfield & Bob Brightwell, InfluentialPoints

parasite

Apterae 1-3 mm, mainly on the upper leaves and on the inflorescence / ear.

hostplants

Poaceae, Cyperaceae, Juncaceae, narrowly polyphagous

Aegilops geniculata; “Agropyron”; Agrostis capillaris, stolonifera; Alopecurus arundinaceus, pratensis; Anisantha madritensis, sterilis; Apera spica-venti; Arrhenatherum elatius; Asphodelus fistulosus; Avena barbata, fatua, sativa, sterilis; Brachypodium sylvaticum; Briza media; Bromopsis erecta, inermis; Calamagrostis epigeios, pseudophragmites; Carex pilosa, sylvatica; Cynosurus cristatus, elegans; Dactylis glomerata; Deschampsia cespitosa; Drymochloa drymeja; Echinochloa crus-galli; Elytrigia repens; Festuca heterophylla, pallens; Glyceria notata; Holcus lanatus; Hordeum murinum, vulgare; Juncus bufonius, effusus, maritimus; Lagurus; Lolium multiflorum, perenne; Luzula; Melica transsilvanica; Molinia caerulea; Ochlopoa annua; Panicum repens; Phalaris canariensis; Phleum alpinum phleoides, pratense; Piptatherum miliaceum; Poa alpina, compressa, nemoralis, pratensis, trivialis; Schedonorus giganteus, pratensis; Secale cereale; Setaria pumila; Sorghum halepense; Stipa capillata; Triticum aestivum.

But sometimes as well:
Allium ampeloprasum; Amaranthus; Asparagus; Capsella bursa-pastoris; Polygonum aviculare; Spergula arvensis.

synonyms

Macrosiphum, Sitobium avenae; Sitobium granarium Kirby, 1798.

references

Aguirre-Segura, Pascual & Cueto (1993a), Blackman & Eastop (2017), Börner & Franz (1956a), Buga & Stekolshchikov (2012a), Buhr (1964b, 1965a), Dauphin &Aniotsbehere (1997a), Durak, Durak & Borowiak-Sobkowiak (0000a), González Funes & Michelena Saval (1988b), Hellrigl (2004a), Lampel (1988a), Lampel & Meier (2007a), Mier Durante & Nieto Nafría (1983a), Mier Durante, Seco Fernández & Nieto Nafría (1989a), Mifsud, Mangion, Azzopardi ao (2011a), Müller (1986a), Nieto Nafría & Mier Durante (1982a), Nieto Nafría, Muñoz Martínez & Mier Durante (1987a), Petrović (1998a), Seco Fernández, Mier Durante, Blaso Zumeta & Nieto Nafrîa (1998a), Suay Cano & González Funes (1998b), Tambs-Lyche (1968a), Weis (1955a).

mod 2.iv.2018