Aceria fraxinivora (Nalepa, 1909)

on Fraxinus

Aceria fraxinivora gall

Fraxinus excelsior, Dronten © Arnold Grosscurt

Aceria fraxinivora gall

transverse section

Aceria fraxinivora galls

Fraxinus excelsior, Naarderbos; of this particular tree no inflorescence remained unaffected

Aceria fraxinivora gall

Fraxinus excelsior, Belgium, prov. Liège, Grivegnée: old gall; © Jean-Yves Baugnée

Aceria fraxinivora: gall on Fraxinus ornus

Fraxinus ornus, Bulgaria, Varna © Stéphane Claerebout: sometimes the gall occurs on the twigs ….

Aceria fraxinivora: gall on Fraxinus ornus

and occasionally even on a leaf.

Aceria fraxinivora: gall on Fraxinus ornus

Fraxinus ornus, Dronten © Arnold Grosscurt; galls not larger than ± 2 cm.

host plants

Oleaceae, monophagous

Fraxinus americana, angustifolia & subsp. oxycarpa, bungeana, excelsior, ornus, pennsylvanica.


Eriophyes fraxinivorus; Eriophyes, Phytoptus, fraxini Karpelles, 1884.


It would be interesting to investigate if male and female trees are affected to a different degree.


the mites are predated by the larvae of the gall midge Arthrocnodax fraxinellus.


Abras, Fassotte, Chandelier & Cavelier (2008a), Ashe & O’Connor (2005a), Béguinot (2002a,d,e,h, 2003a, 2006a,c, 2007b, 2012a), Bellmann (2012a), Braggion (2013a), Buhr (1964b), Chinery (2011a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Denizhan, Monfreda, de Lillo & Çobanoğlu (2015a), Farkas (1965a), Flügel (2016a), Groom (2011a), Hellrigl (2003a, 2004b, 2006a), Houard (1909a), Keifer, Baker, Kono, Delfinado & Styer (1982a), Kollár (2007a, 2011a), Koops (2013a), Lambinon, Carbonnelle & Claerebout (2015a), Lambinon, Schneider & Feitz (2001a, 2012a), Lehmann & Hannover (2016a), Petanović & Stanković (1999a), Redfern & Shirley (2011a), Ripka (2007a, 2008a), Ripka & de Lillo (1997a), Roivainen (1947a, 1951), Roques, Cleary, Matsiakh & Eschem (2017a), Roskam (2009a), Skoracka, Lewandowski & Boczek (2005a), Tomasi (2003a, 2012a, 2014a), Weidner (1954a), Xue, Sadeghi & Hong (2009a).

mod 4.iv.2019