Melanaphis pyraria (Passerini, 1862)

pear-grass aphid

on Pyrus, primary host plant

Melanaphis pyraria: gall on Pyrus spec.

Pyrus spec., Hungary, Budapest © László Érsek

Melanaphis pyraria: gall on Pyrus spec.

occupied leaf roll

Melanaphis pyraria: apterae on Pyrus spec.

apterae

Melanaphis pyraria: aptera on Pyrus communis

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

gall

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

hostplants

Rosaceae, monophagous

Pyrus communis & subsp. pyraster.


on Poaceae, secondary host plants

gall

aphids under the crumpled leaves.

hostplants

Poaceae, oligophagous

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

synonyms

Geoktapia pyraria; 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), Lampel & Meier (2007a), Müller (1986a), Nieto Nafría, Mier Durante, García Prieto & Pérez Hidalgo (2005a), Ripka, Reider & Szalay-Marzsó (1998a), Roskam (2009a), Suay Cano & González Funes (1998a), Weis (1955a).

mod 31.i.2018