Seq # 130030030

Nemophora degeerella (Linnaeus, 1758) Species

Last modified: Feb. 20, 2024, 4:23 p.m.

A common species throughout Belgium.


Family: Adelidae > Subfamily: Adelinae > Genus: Nemophora > Species: Nemophora degeerella
Vernacular names
Geelbandlangsprietmot (NL), Yellow-barred Long-horn (EN), De Geers Langhornfalter (DE)
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 (as Adela degeerella L.). view page




Wingspan 13–24 mm. Base of the antennae in the female thickened with black scales, tip thinner and white. The black longitudinal stripes at the base do not reach the median band.

Museum specimens

Specimens in nature



Whitish, head dark brown, thoracic plates lighter brown.

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Long oval, 9–12 mm, constructed from 3 to 5 crescent-like segments in which leaf particles are used.

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Eggs are deposited on low plants. The larva lives on dead leaves on the ground from a flat bivalved case.
Hibernation as a full-grown larva or pre-pupa. Pupation in the case.
The moths are active during the day. They sometimes fly in swarms in bright sunlight, and at dusk.

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Flight periods

The adults fly from late May till mid-July.

Observed on

Dead leaves

The larva lives on dead leaves on the ground.

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Bright deciduous forests, at forest edges, with a preference for shadowy places with a lot of undergrowth.

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