Seq # 250110030

Agonopterix arenella (Denis & Schiffermüller, 1775) Species

Last modified: Sept. 6, 2023, 8:09 p.m.

A rather common species throughout Belgium.


Family: Depressariidae > Subfamily: Depressariinae > Genus: Agonopterix > Species: Agonopterix arenella
Vernacular names
Bleke kaartmot (NL)
First mention in Belgium
De Sélys-Longchamps E. 1844. Énumération des insectes Lépidoptères de la Belgique. — Mémoires de la Société royale des Sciences de Liége 2: 1–35. On page 24. view page




Museum specimens

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Specimens in nature


Pale green with darker dorsal and dorso-lateral lines, head and prothoracic plate pale brown or yellowish; pinacula black.

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An inconspicuous linear mine on the underside of a leaf.
See also

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The first instars mine on the underside of a leaf, but later on they feed from a spun web also on the underside, usually folding the leaf downwards.
Pupation amongst detritus or in the earth close to the foodplant.
The species hibernates in the adult stage. The moths hide during the day. They become active at night and occasionally come to light. They are also attracted to sugar.

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Flight periods

One generation a year: from August, hibernating till early June of the next year.

Observed on

Host plant (genera):
Centaurea, Cirsium, Carduus, Serratula, Arctium, Carlina, Sonchus and Knautia

Several species of thistles or related plant species.

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Very different kinds of habitat.

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