Seq # 260210018

Cosmopterix pulchrimella Chambers, 1875 Species

Last modified: Jan. 9, 2023, 2:13 p.m.

A very rare species in Belgium, hitherto only known from WV, first recorded in 2017. In some cities like Brugge the species is not rare (see Meert R. 2019b).


Family: Cosmopterigidae > Subfamily: Cosmopteriginae > Genus: Cosmopterix > Species: Cosmopterix pulchrimella
Vernacular names
Glaskruidprachtmot (NL), Glaskraut-Prachtfalter (DE)
First mention in Belgium
Steeman C. & Sierens T. 2018. Interessante waarnemingen van Lepidoptera in België in 2017 (Lepidoptera). — Phegea 46(2): 31–47. On page 33. view page




At first, a short gallery soon widening into an irregular blotch. The species prefers plants that grow in shaded areas. The blotches are very transparant and the larvae well-seen. When several leaves are mined, the infestation can be noticed from a distance.
See also


Later instars of the larva spin a part of the mine together into a hiding shelter or a place to rest between feeding periods. Pupation inside the mine.

No pictures yet!

Flight periods

Perhaps two or three generations a year, difficult to separate.

Observed on

Host plant (species):
Parietaria judaica

Monophagous on Parietaria spec.

No pictures yet!