Acronicta psi (Linnaeus, 1758) Species
Last modified: June 18, 2022, 4:11 p.m.
A fairly common species throughout Belgium.
Details
- Classification
- Family: Noctuidae > Subfamily: Acronictinae > Genus: Acronicta > Subgenus: Triaena > Species: Acronicta psi
- Vernacular names
- Psi-uil (NL), Grey Dagger (EN), Le Psi (FR), Pfeileule (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.
- Status
-
Native
Distribution
Imago
Wingspan: 30–40 mm.
Adults of Acronicta cuspis, Acronicta tridens and Acronicta psi cannot be safely distinguished from each other, except by reference of the genitalia. Allthough larvae of these species are quiet different and are easy to identify as species.
Museum specimens
Specimens in nature
Genitalia
Caterpillar
Can be found from May till November.
Bionomics
Hibernates as a pupa in a loose grey cocoon under loose bark, in a crevice or in decayed wood.
The adults come to light and sugar.
Flight periods
The adults fly in two generations a year from mid April towards mid September.
Observed on
- Host plant (species):
- Prunus spinosa
- Host plant (genera):
- Crataegus, Malus, Betula, Tilia, Ulmus and Sorbus
- Substrates:
- Deciduous trees and Shrubs
The larva lives on a wide range of broadleaved trees and shrubs, including: Prunus spinosa, Crataegus, Malus, Betula, Tilia, Ulmus, Sorbus etc...
