Caryocolum gallagenellum autHuemer, 1989

on Cerastium

Gall

Larva in a 7-8 mm large globular gall, derived from 2-3 leaves of a young shoot. The inside is lined with silk. Most of the frass is incorporated here, a small part is ejected through a small hole in top of the gall. Before pupation the larva bite a hole in the wall of the gal and leaves.

host plants

Caryophyllaceae, monophagous

Cerastium arvense.

distribution within Europe

(PESI, 2019).

larva

Fully grown larva 7 mmm, orange brown; head middle-brown, rear margin dark brown. Integument of body with a granular structure.

references

Huemer (1988a), Huemer & Karsholt (2010a).

mod 3.viii.2019