Aethes bilbaensis (Rössler, 1877) Species
Last modified: Nov. 12, 2023, 2:48 p.m.
A recent arrival in Belgium (2017). A very rare and local species.
Distribution based on specimens examined for genitals.
Details
- Classification
- Family: Tortricidae > Subfamily: Tortricinae > Tribus: Cochylini > Genus: Aethes > Species: Aethes bilbaensis
- Vernacular names
- Bruinschoudersmalsnuitje (NL), Samphire Conch (EN), Braunschulter-Wurzelwickler (DE)
- First mention in Belgium
- Steeman C. & Sierens T. 2018. Interessante waarnemingen van Lepidoptera in België in 2017 (Lepidoptera). — Phegea 46(2): 31–47. On page 45.
- Status
-
Native
Distribution
Imago
Caution is required because individuals from Aethes bilbaensis, A. flagellana, A. beatricella, A. francillana, A. tornella and A. dilucidana can only be distinguished reliably with a genital examination.
Approx Length (c. 7.5mm) Wingspan 10–15 mm. The leading edge of the forewing has a fairly broad zone with brown scales and is a relatively consistent characteristic view.
Museum specimens
No pictures yet!Specimens in nature
Genitalia
Caterpillar
The caterpillar yellowish and has a dark brown head. The prothoracic plate is yellowish or brownish and the trailing edge darkly seamed. The anal plate is one half dark spotted and the other half brownish.
Bionomics
The larva lives freely on the faded umbels, feeding on the fruits of the food plant. Then it bores itself into a stem, in anticipation of hibernation where it also pupates.
The adults fly mainly during the day and at dusk and comes sparsely to light.
Flight periods
The adults fly from late June towards September with a peak in July.
Observed on
- Host plant (species):
- Crithmum maritimum and Daucus carota
It inhabits open areas, rural places etc...
Habitat
The larva lives on different species of Apiaceae like Crithmum maritimum, Carum verticillatum, C. carvi. Also observed on Daucus carota.
