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.
hostplants
Fagaceae, monophagous
Quercus petraea, pubescens, robur.
references
Beguinot (2000b, 2001c, 2002a, 2007b), Bellmann (2012a), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Hellrigl (2010a), Houard (1908a), Huemer (2012a), Redfern & Shirley (2011a), Roskam (2009a), Szőcs (1977a), Tomasi (2014a), Williams (2010a).