Eriophyes laevis (Nalepa, 1889)

on Alnus

Eriophyes laevis: galls on Alnus glutinosa

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

Eriophyes laevis: galls on Alnus glutinosa

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

Eriophyes laevis galls

Alnus glutinosa, Nieuwendam, 22.ii.2011

Eriophyes laevis galls

detail, upperside

Eriophyes laevis gall

gall from the side

Eriophyes laevis gall

underside

Eriophyes laevis gall

underside of a young gall; some pink mites are visible

Eriophyes laevis gall

horizontale doorsnede

Eriophyes laevis gall

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

Eriophyes laevis gall

hairs inside a young gall

Eriophyes laevis

two mites, of different stages

cf Eriophyes laevis: galls on Alnus glutinosa

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!

cf Eriophyes laevis: galls on Alnus glutinosa

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

Diptacus sacramentae.

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), Roivainen (1947a, 1950a, 1951a), Roskam (2009a), Skoracka, Lewandowski & Boczek (2005a), Stănescu (2009a), Sylvén (1960a), Tavares (1905a), Tomasi (2003a, 2014a), Weidner (1954a), Xue, Sadeghi & Hong (2009a).

mod 21.viii.2019