Gynnidomorpha vectisana (Humphreys & Westwood, 1845) Species
Last modified: Nov. 2, 2024, 2:59 p.m.
A very rare species in the northern part of Belgium. Not often recorded.
Details
- Classification
- Family: Tortricidae > Subfamily: Tortricinae > Tribus: Cochylini > Genus: Gynnidomorpha > Species: Gynnidomorpha vectisana
- Vernacular names
- Zwartstipbladroller (NL), Small Saltern Conch (EN)
- First mention in Belgium
- Janmoulle E. 1948a. Espèces nouvelles pour la faune belge. — Lambillionea 48: 20–21, 33–34, 50, 82–83. On page 50.
- Status
-
Native
Distribution
Imago
Wingspan 8,5–11 mm. Adults can be extremely variable in wing pattern, but typically show a diffuse dark spot in the centre of the forewing, more obvious in the plainer specimens.
Museum specimens
Specimens in nature
No pictures yet!Bionomics
The larvae of the first generation, in early summer, live freely in the inflorescence. Those of the autumn generation live as stem borers and hibernate in the roots. Infected stems turn yellow and have straw coloured frass at their base.
The adults flies at dusk and later come to light.
Flight periods
The adults are on the wing from May to mid-September.
Observed on
- Host plant (species):
- Triglochin maritima and Triglochin palustris
The larva feeds on Triglochin maritima. Also reported on Triglochin palustris which is more an inland plant of wetlands.
Habitat
It inhabits coastal salt-marshes, fens, wet heathland and freshwater marshes.
