Plant Parasites of Europe

leafminers, galls and fungi

Stenolechia gemmella

Stenolechia gemmella (Linnaeus, 1758)

black-dotted groundling

on Quercus

Stenolechia gemmella: gall on Quercus robur

Quercus robur, Belgium, prov. East Flanders, Berlare, Heidemeersen, Heide Hoge Berg, 25.v.2018 © Ruben Meert

Stenolechia gemmella: gall on Quercus robur

The bored shoot dies off and the leaves wither

Stenolechia gemmella: larva in opened gall

within the gall a single grey larva

Stenolechia gemmella gall

Quercus cerris, Dronten © Arnold Grosscurt

Stenolechia gemmella vacated gall

vacated gall


The larva bores in May – June in a young shoot, that becomes slightly swollen and ultimately dies off.

host plants

Fagaceae, monophagous

Quercus petraea, pubescens, robur.


Beguinot (2000b, 2001c, 2002a, 2007b), Bellmann (2012a), Bland, Corley, Emmet ao (2002a), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Hellrigl (2010a), Houard (1908a), Huemer (2012a), Kaitila (1996a), Redfern & Shirley (2011a), Requena (2009a), Roskam (2009a), Szőcs (1977a), Tomasi (2014a), Williams (2010a).

Last modified 26.i.2020