Aplasta ononaria (Fuessly, 1783) Species
Last modified: June 6, 2025, 4:58 p.m.
A very rare and local species in Belgium, mainly known from the extreme south of the country. Nowadays not often observed.
Recently (2021) observed in WV, where different habitable populations occur in the far west. It is possible to observe this species in numbers there.
Data Deficient due to a lack of sufficient data according to the IUCN Red List category for Flanders 2023.
Details
- Classification
- Family: Geometridae > Subfamily: Geometrinae > Tribus: Pseudoterpnini > Genus: Aplasta > Species: Aplasta ononaria
- Vernacular names
- Stalkruidspanner (NL), Rest Harrow (EN), La Phalène de l'Arrête-Boeuf (FR), Hauhechelspanner (DE)
- First mention in Belgium
- Derenne F. 1928. Espèces nouvelles pour la faune belge (suite). — Lambillionea 28: 2, 10, 114–116. On page 116.
- Status
-
Native
Distribution
Imago
Wingspan 22–31 mm.
Museum specimens
Specimens in nature
Bionomics
Hibernates as a small larva and pupates in a loose spinning at the base of the food plant.
They are active by day and night they come to light.
Flight periods
The adults fly usually in one generation a year during June and July. When conditions are favourable, a small partial second generation may occur from August till September filled up with occasionally migrants.
Observed on
- Host plant (species):
- Ononis repens
The larva lives in the stems of Ononis.
