Ancylis laetana (Fabricius, 1775) Species
Last modified: Nov. 25, 2023, 11:17 a.m.
A rather common species throughout Belgium.
Details
- Classification
- Family: Tortricidae > Subfamily: Olethreutinae > Tribus: Enarmoniini > Genus: Ancylis > Species: Ancylis laetana
- Vernacular names
- Witte haakbladroller (NL), Aspen Roller, Aspen Hook-wing (EN), Espen-Spitzflügelwickler (DE)
- Synonyms
- Ancylis ramana sensu auct., nec (Frölich, 1828)
- First mention in Belgium
- De Fré Ch. 1858. Catalogue des Microlépidoptères de la Belgique. — Annales de la Société entomologique belge 2: 45–162. On page 90.
- Status
-
Native
Distribution
Imago
Wingspan 13–18 mm. The contrasting white costal and grey-black dorsal areas of the forewing, together with the ferruginous apical area and the submetallic blue-grey ocellar area, are characteristic.
Museum specimens
Specimens in nature
Bionomics
The larva lives in a pocket in a folded leaf or between two leaves neatly spun together on the food plant.
It overwinters full-fed in the last spinning, which falls to the ground. Pupation in the larval habitation.
The moths are active at sunset and later come to light.
Flight periods
The adults have been observed from mid-April till mid-September. It is not clear whether these late specimens are representing a partial second generation.
Observed on
- Host plant (species):
- Populus tremula
The larva lives mostly on Populus tremula, occasionally on P. nigra.
Habitat
It inhabits open woodland, parks and gardens.
