Anoecia corni (Fabricius, 1775)common dogwood-grass aphid
on Cornus, primary host plant

Cornus sanguinea, Hungary, Budapest © László Érsek

on a young inflorescence

it looks as if the siphunculi are missing

Cornus sannguinea, Flevoland, Reve-Abbertbos © Hans Jonkmans: alatae and young larvae

… and ants
gall
leaf curl caused by aphids. The full grown apterae are dark brownish grey, 2-3 mm, not wax-powedered; siphunculi as a field of pores. Alatae dorsally with a brown or black spot and a conspicuously large pterostigma. Attended by ants.
host plants
Cornaceae, monophagous
Cornus alba, glabrata, mas, sanguinea.
on Poaceae, secondary host plants
gall
aphids on the roots
secondary host plants
Poaceae, oligophagous
“Agropyron“; Agrostis; Avena sterilis; Brachypodium; Calamagrostis; Cynosurus cristatus; Dactylis; Echinochloa crus-galli; Helictotrichon; Holcus; Hordeum murinum; Lolium; Poa; Sesleria; Setaria viridis; Triticum aestivum.
A reference to Malus baccata by Novgorodova & Stekolshchikov is difficult to understand.
references
Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Barbagallo & Pollini (2014a), Barjadze, Japoshvili, Karaca & Özdemir (2014a), Blackman & Eastop (2014), Börner & Franz (1956a), Buhr (1964b), Danielsson (1974a). Durak, Durak & Borowiak-Sobkowiak (0000a), Eklo & Hofsvang (2008a), Heie (1980a), Hellrigl (2004a), Lampel & Meier (2003a), Nieto Nafría & de Benito Dorrego (1976a), Nieto Nafría & Mier Durante (1998a), Novgorodova & Stekolshchikov (2013a), Osiadacz & Wojciechowski (2008a), Petrović (1998a), Rakauskas & Trukšinaitė (2011a), Ripka, Reider & Szalay-Marzsó (1998a), Roskam (2009a), Suay Cano & González Funes (1998c), Tambs-Lyche & Heie (1994a), Tomasi (2014a), Weis (1955a), Wojciechowski, Depa, Halgoš ao (2016a).
Last modified 12.ii.2020

Cornus sanguinea, Hungary, Budapest © László Érsek

on a young inflorescence

it looks as if the siphunculi are missing
Cornus sannguinea, Flevoland, Reve-Abbertbos © Hans Jonkmans: alatae and young larvae
… and ants
gall
leaf curl caused by aphids. The full grown apterae are dark brownish grey, 2-3 mm, not wax-powedered; siphunculi as a field of pores. Alatae dorsally with a brown or black spot and a conspicuously large pterostigma. Attended by ants.
host plants
Cornaceae, monophagous
Cornus alba, glabrata, mas, sanguinea.
on Poaceae, secondary host plants
gall
aphids on the roots
secondary host plants
Poaceae, oligophagous
“Agropyron“; Agrostis; Avena sterilis; Brachypodium; Calamagrostis; Cynosurus cristatus; Dactylis; Echinochloa crus-galli; Helictotrichon; Holcus; Hordeum murinum; Lolium; Poa; Sesleria; Setaria viridis; Triticum aestivum.
A reference to Malus baccata by Novgorodova & Stekolshchikov is difficult to understand.
references
Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Barbagallo & Pollini (2014a), Barjadze, Japoshvili, Karaca & Özdemir (2014a), Blackman & Eastop (2014), Börner & Franz (1956a), Buhr (1964b), Danielsson (1974a). Durak, Durak & Borowiak-Sobkowiak (0000a), Eklo & Hofsvang (2008a), Heie (1980a), Hellrigl (2004a), Lampel & Meier (2003a), Nieto Nafría & de Benito Dorrego (1976a), Nieto Nafría & Mier Durante (1998a), Novgorodova & Stekolshchikov (2013a), Osiadacz & Wojciechowski (2008a), Petrović (1998a), Rakauskas & Trukšinaitė (2011a), Ripka, Reider & Szalay-Marzsó (1998a), Roskam (2009a), Suay Cano & González Funes (1998c), Tambs-Lyche & Heie (1994a), Tomasi (2014a), Weis (1955a), Wojciechowski, Depa, Halgoš ao (2016a).