Seq # 361250020

Zelotherses unitana (Hübner, 1799) Species

Last modified: Nov. 8, 2023, 2:52 p.m.

A very rare and local species in Belgium. Hitherto known from outermost southeast LG and LX.
Can be confused with the more common Aphelia paleana and genital check is recommended for species ID.


Family: Tortricidae > Subfamily: Tortricinae > Tribus: Archipini > Genus: Zelotherses > Species: Zelotherses unitana
Vernacular names
Grijsgele bladroller (NL), Northern Grey Tortrix (EN)
First mention in Belgium
De Prins W. 1998. Catalogue of the Lepidoptera of Belgium. — Studiedocumenten Koninklijk Belgisch Instituut voor Natuurwetenschappen 92: 1–236. On page 91.




Wingspan 19–24 mm.

Museum specimens

No pictures yet!

Specimens in nature

No pictures yet!


The larva pupates in the larval habitation, mostly spun leaves. The adults come to light.

No pictures yet!

Flight periods

The moths are on the wing in June and July.

Observed on

Herbaceous plants

The larva lives on Cirsium oleraceum, Senecio nemorensis, Rubus sp., Stellaria nemorum, Ranunculus lanuginosus, Lamium galeobdolon, Urtica dioica, Ajuga reptans etc...
Also observed on Gramineae.

No pictures yet!


It inhabits moorland and bog areas.

No pictures yet!