Chilaspis nitida (Giraud, 1859)

on Quercus, agamous generation

Chilaspis nitidia FF gall on Quercus cerris

Quercus cerris gall (from Houard, 1908a)

Chilaspis nitida: galls on Quercus cerris

Quercus cerris, Rotterdam-Schiebroek, 12.x.2017 © Ruud & Betty Middelkoop: locally the species can be very numerous

Chilaspis nitida: gall on Quercus cerris

a single gall

Chilaspis nitida: fallen galls

in the autumn the galls drop from the leaves

Chilaspis nitida: opened gall

opened gall

Chilaspis nitida: opened gall

larva

gall

gall attached at one point at the underside of a leaf vein. The fresh gall is green (eventually brown), oval, 4-6 mm long, covered with bundles of short stellate hairs. De thick wall encloses one or two gall chambers.

host plants

Fagaceae, narrowly monophagous

Quercus cerris, petraea, robur.


on Quercus, sexual generation

Chilaspis nitida: galls on Quercus cerris

Quercus cerris, galls (from Houard, 1908a)

gall

cotton wool-like catkin gall, 2-3 cm in diameter. In fact an aggregate of galled, bilocular anthers, each single one densely covered by long white hairs, similar to wool. In the centre 2-3 unilocular, extremely hard inner galls.

host plants

Fagaceae, narrowly monophagous

Quercus cerris.

synonyms

Andricus, Dryocosmus, nitidus; Chilaspis loewi Wachtl, 1882.

references

Buhr (1965a), Cerasa (2015a), Cogolludo (1921a), Hellrigl (2009a), Hellrigl & Bodur (2015a), Houard (1908a), Katılmış & Kıyak (2008a), Kemal & Koçak (2010a), Melika (2006a), Melika, Csóka & Pujade-Villar (2000a), Melika, Pujade-Villar, Abe ao (2010a), Pujade-Villar, Ros-Farré & Melika (2003a), Stănescu (2009a).

mod 22.ix.2019