Depressaria olerella Zeller, 1854 Species
Last modified: Nov. 29, 2024, 1:46 p.m.
A very local and very rare species in Belgium. Only known from some old records from the southern parts of the country. Can be confused with Depressaria albipunctella.
Details
- Classification
- Family: Depressariidae > Subfamily: Depressariinae > Genus: Depressaria > Species: Depressaria olerella
- Vernacular names
- Duizendbladplatlijfje (NL)
- First mention in Belgium
- Janmoulle E. 1949a. Remarques sur la faune belge (suite). — Lambillionea 49: 19–20. On page 19.
- Status
-
Native
Distribution
Imago
Museum specimens
Specimens in nature
No pictures yet!Caterpillar
Olive green; head capsule and prothoracic plate black; pinacula pale green, slightly ringed black.
Cocoon/pupa
A very loose spinning; pupa brown.
Bionomics
The caterpillar spins a loose web in the terminal shoots of the foodplant, turning the leaflet sides upwards until they form a tube. One larva makes several such spinnings during its development. The larva consumes the leaflets under the spinnings; June–July.
Pupation in a loose silken cocoon in the soil or among detritus; July–August.
The species hibernate in the adult stage. It hides during the day and is seldom seen. The adults are active at night and come occasionally to light, especially after hibernation.
Flight periods
One generation a year from August and after hibernation in March–April or later.
Observed on
- Host plant (species):
- Achillea millefolium
Monophagous on Achillea millefolium.
Habitat
Sandy places, heathland with much grass and where the foodplants grows abundantly.
