Perizoma bifaciata (Haworth, 1809) Species
Last modified: Nov. 8, 2025, 3:47 p.m.
A very rare and local species in Belgium.
This species is considered Critically Endangered according to the IUCN Red List category for Flanders 2023.
Details
- Classification
- Family: Geometridae > Subfamily: Larentiinae > Tribus: Perizomini > Genus: Perizoma > Species: Perizoma bifaciata
- Vernacular names
- Donkere ogentroostspanner (NL), Barred Rivulet (EN), La Périzome soulignée (FR), Zahntrost-Kapselspanner (DE)
- Synonyms
- Perizoma adaequata (Borkhausen, 1794)
- First mention in Belgium
- De Laever E. 1952. Espèces nouvelles pour la faune belge (suite). — Lambillionea 52: 3–5, 62–65. On page 62.
- Status
-
Native
Distribution
Imago
Wingspan 15–26 mm.
Museum specimens
Specimens in nature
Bionomics
Hibernates as a pupa, sometimes it may overwinter more than once.
The adults are active from dusk onwards and later come sparsely to light.
No pictures yet!
Flight periods
The adults fly in one generation a year from mid-July till the end of August.
Observed on
- Host plant (species):
- Odontites vernus
The larva lives inside the seed capsules of Odontites.
No pictures yet!
Habitat
It inhabits nutrient-poor grasslands.
No pictures yet!
