Dichrorampha vancouverana McDunnough, 1935 Species
Last modified: Dec. 22, 2023, 11:53 a.m.
A very rare and local species in Belgium. Status after 2004 only take into account genitalized individuals.
Details
- Classification
- Family: Tortricidae > Subfamily: Olethreutinae > Tribus: Grapholitini > Genus: Dichrorampha > Species: Dichrorampha vancouverana
- Vernacular names
- Haakjeswortelmot (NL), Gold-fringed Drill, Orange-spot Yarrow Moth (EN)
- Synonyms
- Dichrorampha gueneeana Obraztsov, 1953 and Dichrorampha politana sensu Janmoulle, 1953
- 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 12–15 mm. Distinguished from Dichrorampha alpinana and Dichrorampha flavidorsana by the sombre general coloration of the forewing, which is suffused with comparatively dull ochreous-orange and has a dull and inconspicuous narrow medio-dorsal blotch.
Most of the species in this genus should be checked for genitalia, especially when worn.
Museum specimens
No pictures yet!Specimens in nature
Genitalia
Bionomics
The larva lives in the roots and the rootstock on the host plant. It hibernates and pupates in a silken cocoon in the larval habitation during spring.
They are active during sunny days in the afternoon and at dusk. They come sparsely to light.
Flight periods
The adults have been observed from Late May towards late August.
Observed on
- Host plant (species):
- Achillea millefolium
The larva lives on Achillea millefolium.
Habitat
It inhabits flowery grasslands, wasteland, and roadside verges.
