Seq # 901760110

Xylena exsoleta (Linnaeus, 1758) Species

Last modified: May 7, 2024, 11:01 a.m.


This species has not been seen in Belgium for a very long time. Presumably extinct.

This species is considered Regionally Extinct according to the IUCN Red List category for Flanders 2023.


Details

Classification
Family: Noctuidae > Subfamily: Xyleninae > Tribus: Xylenini > Genus: Xylena > Subgenus: Xylena > Species: Xylena exsoleta
Vernacular names
Roetvlek (NL), Sword-grass (EN), Le Bois-sec (FR), Graue Moderholzeule (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 13.
Status

Native


Distribution


Imago

Wingspan: 55–68 mm.

Museum specimens


Specimens in nature

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Bionomics

The moths developed in the pupa and then rested until September, when the adult emerged after the onset of cooler weather.
The species would be attracted to the pheromone of Acrolepiopsis assectella.

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Flight periods

They fly from September onwards. Then they hibernate for the winter and reappear in March or April till May.


Observed on

Substrates:
Deciduous trees, Shrubs, Herbaceous plants and Grasses

The larvae are polyphagous, but feed often on Fabaceae, but also on other plants like Rumex , Helianthemum etc...

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Habitat

It inhabits grasslands, fringes, dry warm ruderal terrain, fallow land and embankments.

No pictures yet!