Seq # 130010020

Adela cuprella (Denis & Schiffermüller, 1775) Species

Last modified: May 17, 2021, 4:19 p.m.

A rather common species throughout Belgium.


Family: Adelidae > Subfamily: Adelinae > Genus: Adela > Species: Adela cuprella
Vernacular names
Wilgenlangsprietmot (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




Wingspan 14–17 mm. Unicolourous brown, coppery or bronzy, without the green hue of Adela reaumurella. Head of the males black, of the females bright orange-red.

Museum specimens

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Specimens in nature


Case oval, constructed from 5–6 pairwise similar crescent-like leaf particles, 10–11 mm.

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Oviposition in the female catkins of mainly Salix cinerea. The young larva bores into the catkins of various Salix species. The later stages live on fallen Salix leaves on the ground, from a flat bivalved case. It overwinters twice, sometimes three times. Pupation in the case. The males are active in sunshine and swarm around the tops of blossoming Salix trees during springtime. Females rest in the lower vegetation.

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Flight periods

The adults fly from mid-April till early May when the Salix trees show their catkins.

Observed on

Host plant (species):
Salix cinerea
Host plant (genera):

Various Salix species, but mainly Salix cinerea.

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Alluvial forests, wetlands or river landscapes.

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