Stenolechia gemmella (Linnaeus, 1758)
black-dotted groundling
on Quercus
Quercus robur, Belgium, prov. East Flanders, Berlare, Heidemeersen, Heide Hoge Berg, 25.v.2018 © Ruben Meert
The bored shoot dies off and the leaves wither
within the gall a single grey larva
Quercus cerris, Dronten © Arnold Grosscurt
vacated gall
parasite
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.
references
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).