Brachylomia viminalis (Fabricius, 1777) Species
Last modified: May 7, 2024, 5:57 p.m.
A rather rare species in Belgium mainly known from the southern provinces, but after 1980 slowly spread northwards and nowadays throughout the country.
This species is considered Near Threatened according to the IUCN Red List category for Flanders 2023.
Details
- Classification
- Family: Noctuidae > Subfamily: Xyleninae > Tribus: Xylenini > Genus: Brachylomia > Species: Brachylomia viminalis
- Vernacular names
- Katwilguiltje (NL), Minor Shoulder-knot (EN), La Noctuelle de l'Osier (FR), Korbweideneule (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 10 (as Cleoceris viminalis F.). view page
- Status
-
Native
Distribution
Imago
Wingspan 28–34 mm.
Museum specimens
Specimens in nature
Bionomics
The larva lives first between spun leaves on terminal shoots, and later feeding openly at night, hiding between spun leaves by day.
Hibernates as an egg, laid on the twigs of the food plant.
Pupates in leaf litter or just under the soil surface.
The adults come to light and sugar.
Flight periods
The adults fly in one generation a year from late June till late August.
Observed on
- Host plant (species):
- Populus tremula
- Host plant (genera):
- Salix
The larva lives on Salix or Populus tremula.
