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

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), Roskam (2009a), Szőcs (1977a), Tomasi (2014a), Williams (2010a).

mod 9.ix.2019