Pyrus spec., Hungary, Budapest © László Érsek

27.v.2020, colony

aptera

alate

Pyrus communis, England, East Sussex © Bob Dransfield & Bob Brightwell, InfluentialPoints

gall

leaves rolled inward, transversely or diagonally; aphids at the underside. They are attended by ants, but only on the primary host plant.

host plants

Rosaceae, monophagous

Pyrus communis & subsp. pyraster.

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on Poaceae, secondary host plants

gall

aphids under the crumpled leaves.

host plants

Poaceae, oligophagous

Agrostis; Anisantha diandra; Arrhenatherum; Brachypodium pinnatum; Bromus; Dactylis glomerata; Holcus lanatus; Hordeum murinum, vulgare; Ochlopoa annua; Panicum miliaceum; Piptatherum miliaceum; Poa; Triticum.

synonyms

Geoktapia pyraria; Longiunguis, Myzus, pyrarius; Myzus pyrinus Ferrari, 1872.

references

Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Bašilova & Rakauskas (2012a), Blackman & Eastop (2014), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Heie (1982a), Hellrigl (2004a), Houard (1908a), Lampel & Meier (2007a), Müller (1986a), Müller & Horatschek (1980a), Nieto Nafría & de Benito Dorrego (1976a), Nieto Nafría, Carnero Hernández & Mier Durante (1977a), Nieto Nafría, Mier Durante, García Prieto & Pérez Hidalgo (2005a), Pérez Hidalgo, Martínez Peláez & Nieto Nafría (2001a), Petrović (1998a), Piron (2021c), Ripka, Reider & Szalay-Marzsó (1998a), Roskam (2009a), Suay Cano & González Funes (1998a), Tavares (1905a,b), Weis (1955a), Wojciechowski, Depa, Halgoš ao (2016a).