Pammene obscurana (Stephens, 1834) Species
Last modified: Dec. 30, 2023, 12:05 p.m.
A rare but widespread species throughout Belgium, mainly observed in the northern part.
Details
- Classification
- Family: Tortricidae > Subfamily: Olethreutinae > Tribus: Grapholitini > Genus: Pammene > Species: Pammene obscurana
- Vernacular names
- Grijze dwergbladroller (NL), Obscure Birch Piercer, Birch Catkin Tortrix (EN), Zwergbirkenwickler (DE)
- First mention in Belgium
- Janmoulle E. 1953. Espèces nouvelles pour la faune belge (suite). — Lambillionea 53: 21–22, 37–38, 49–50. On page 21.
- Status
-
Native
Distribution
Imago
Wingspan 12–14 mm. An obscurely marked tortrix. The head and forewings are a dark fuscous marked with black. There are vague whitish costal marks and some plumbeous scales. A dorsal blotch is irregular white mixed fuscous but tends to show a double structure. An ocellus is evident with black dashes.
Museum specimens
No pictures yet!Specimens in nature
Bionomics
The larva feeds probably within the catkins of the host plant.The adults are active in early morning and in late afternoon and evening sunshine and come to light.
Flight periods
The adults fly from mid-April till early July with a peak during May.
Observed on
- Host plant (genera):
- Betula
Little is know about the food plant, but it is believed to feed on Betula.
Habitat
It inhabits suitable localities where the food plant occurs.
