Cnephasia longana (Haworth, 1811) Species
Last modified: April 2, 2022, 5:48 p.m.
The only Belgian Cnephasia that can be recognized by external characters. Hitherto a very rare and local species in Belgium.
Details
- Classification
- Family: Tortricidae > Subfamily: Tortricinae > Tribus: Cnephasiini > Genus: Cnephasia > Subgenus: Cnephasia > Species: Cnephasia longana
- Vernacular names
- Topbladroller (NL), Ährenwickler (DE)
- Synonyms
- Cnephasia stratana (Zeller, 1847) and Cnephasia loewiana (Zeller, 1849)
- First mention in Belgium
- Fologne E. 1859b. Supplément au catalogue des lépidoptères de Belgique. — Annales de la Société entomologique belge 3: 133–142. On page 134.
- Status
-
Native
Distribution
Imago
Wingspan: 15–22 mm.
The males have a relatively unmarked slightly speckled buffish forewing, whereas the females have a number of darker brown markings.
Museum specimens
Specimens in nature
Genitalia
Male: sacculus short and straight, robust aedeagus with terminal teeth.
Female: colliculum thickened at both sides, clear chanel above ostium.
Bionomics
After hibernation as a first instar, the larva lives in a silken hibernacula, it first mines a leaf, then lives between leaves spun together.
The moths are active in the evening and later come to light.
Flight periods
The adults have been observed from June till the end of August, with the top in July.
Observed on
- Substrates:
- Herbaceous plants
The polyphagous larva feeds on a wide range of plants like: Chrysanthemum, Anthemis, Ranunculus, Iris, Lilium, Lychnis, Papaver, Dianthus, Humulus, etc...
