Eriophyes laevis (Nalepa, 1889)
on Alnus

Alnus glutinosa, Denekamp; lg. Singraven, 24.iv.2014: spring view

Alnus glutinosa, Amsterdam, Anna’s Hoeve, 6.vi.2013

Alnus glutinosa, Nieuwendam, 22.ii.2011

detail, upperside

gall from the side

underside

underside of a young gall; some pink mites are visible

horizontale doorsnede

horizontal section through an older gall (although still occupied); the inside hairs mostly are rust-coloured

hairs inside a young gall
two mites, of different stages
Alnus glutinosa, North Macedonia, Prespameer, Ezerani, 865 m a.s.l., 29.vii.2019 ©
Cor Zonneveld: whether this really is this species, is highly questionable!
some galls are starting to wither (orange discolouration locally)
host plants
Betulaceae, monophagous
Alnus glutinosa, incana & subsp. rugosa + tenuifolia, x pubescens, rubra, viridis.
The citation of Syringa vulgaris by Tomasi (2014a) must be a mistake.
synonyms
Eriophyes laevis typicus, Phytoptus laevis.
inquilines
references
Abras, Fassotte, Chandelier & Cavelier (2008a), Béguinot (2002g, 2006a, 2007b, 2012a), Bellmann (2012a), Buhr (1964b), Chinery (2011a), Cogolludo (1921a) , Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Denizhan, Monfreda, de Lillo & Çobanoğlu (2015a), Farkas (1965a), Fjelddalen (1995a), Groom (2011a), Houard (1908a), Jočić & Petanović (2012a), Keifer, Baker, Kono, Delfinado & Styer (1982a), Kollár (2011a), Koops (2013a), Lambinon, Carbonnelle & Claerebout (2015a), Lambinon, Schneider & Feitz (2001a), Lehmann & Flügel (2012a [“Aculus l.”]), Nalepa (1919a), Petanović & Stanković (1999a), Redfern & Shirley (2011a), Ripka (2007a, 2020a), Roivainen (1947a, 1950a, 1951a), Roskam (2009a), Skoracka, Lewandowski & Boczek (2005a), Stănescu (2009a), Sylvén (1960a), Tavares (1905a), Tomasi (2003a, 2014a), Vaněčková-Skuhravá (1996a), Weidner (1954a), Xue, Sadeghi & Hong (2009a).