Gynnidomorpha alismana (Ragonot, 1883) Species
Last modified: Nov. 15, 2023, 12:01 p.m.
A very rare species in Belgium.
Details
- Classification
- Family: Tortricidae > Subfamily: Tortricinae > Tribus: Cochylini > Genus: Gynnidomorpha > Species: Gynnidomorpha alismana
- Vernacular names
- Alismabladroller (NL), Froschlöffelwickler (DE)
- First mention in Belgium
- De Prins W. 1998. Catalogue of the Lepidoptera of Belgium. — Studiedocumenten Koninklijk Belgisch Instituut voor Natuurwetenschappen 92: 1–236. On page 86.
- Status
-
Native
Distribution
Imago
Wingspan 11–14 mm. It is very similar to the other species from the genus Gynnidomorpha and Phalonidia, but is generally distinguished by the strong brown continuous band with a prominent suffusion of blackish scales one third of the way along the central band from the dorsum. This species will also show a darker patch centrally before the termen.
Museum specimens
No pictures yet!Specimens in nature
No pictures yet!Bionomics
It hibernates full-fed from October in a grey, silken cocoon in the lower part of the stem. Pupation takes place in the stem.
The adults are active at dusk and later come to light.
Flight periods
The adults have been observed from late May till August.
Observed on
- Host plant (species):
- Alisma plantago-aquatica
The larva feeds in a flower-stem of Alisma plantago-aquatica.
Habitat
Habitats near water like river margins, ponds, swamps and fens.
