Seq # 361610010

Aethes cnicana (Westwood, 1854) Species

Last modified: Nov. 12, 2023, 4:43 p.m.

A not so common species throughout Belgium.


Family: Tortricidae > Subfamily: Tortricinae > Tribus: Cochylini > Genus: Aethes > Species: Aethes cnicana
Vernacular names
C-smalsnuitje (NL), Thistle Conch (EN), Distel-Wurzelwickler (DE)
First mention in Belgium
De Crombrugghe G. 1906a. Catalogue raisonné des Microlépidoptères de Belgique. — Mémoires de la Société entomologique de Belgique XIII: 1–172; XIV: 1–155. On page 93.




Wingspan 14–17 mm. This species can be hardly separated from the sister species Aethes rubigana (see there also for the differences).

Museum specimens

Specimens in nature



The larva eats at first the seeds and later bores into the stem in order to eat the pith. It hibernates full-fed in the stem and pupates there in the spring.
The adults are active at dusk and later come to light.

No pictures yet!

Flight periods

The adults have been observed from late May till well in August.

Observed on

Host plant (genera):
Cirsium and Carduus

The larva feed on Cirsium spp. and on Carduus.

No pictures yet!


Inhabits rough grassland areas, marshy areas, fens, scrub, waste ground. containing thistle, the larval foodplant.

No pictures yet!