Sorhagenia janiszewskae Riedl, 1962 Species
Last modified: Feb. 28, 2023, 10:58 a.m.
A very rare species in Belgium. For a certain identification, study of the genitalia is necessary, especially because of its resemblance with Sorhagenia rhamniella and Sorhagenia lophyrella , living on the same foodplants.
Details
- Classification
- Family: Cosmopterigidae > Subfamily: Chrysopeleiinae > Genus: Sorhagenia > Species: Sorhagenia janiszewskae
- Vernacular names
- Wegedoorntwijgmot (NL), Janiszewskas Prachtfalter (DE)
- First mention in Belgium
- Wullaert S. 2015. Melding van minerende en andere zeldzame Lepidoptera in België met 10 nieuwe soorten voor de Belgische fauna (Nepticulidae, Tineida, Momphidae, Cosmopterigidae, Gelechiidae, Tortricidae en Geometridae). — Phegea 43(3): 50–63. On page 56. view page
- Status
-
Native
Distribution
Imago
Museum specimens
No pictures yet!Specimens in nature
Genitalia
Cocoon/pupa
Pupa light brown in a slight spinning.
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Bionomics
Young larvae mine the stem of a leaf. Later they make a gallery in young twigs eating the soft centre. This activity causes the terminal leaves to wilt, thus indicating the presence of a larva.
Pupation in a slight spinning amongst debris on the ground.
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Flight periods
One generation a year: from mid June till the end of August.
Observed on
- Host plant (species):
- Frangula alnus and Rhamnus cathartica
- Host plant (genera):
- Rhamnus
Oligophagous on Rhamnaceae.
No pictures yet!
Habitat
Heathland and woodland.
No pictures yet!
