Seq # 362920080

Dichrorampha obscuratana (Wolff, 1955) Species

Last modified: Dec. 21, 2023, 10:48 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 obscuratana
Vernacular names
Gehoekte wortelmot (NL)
First mention in Belgium
Janmoulle E. 1955a. Espèces nouvelles pour la faune belge (suite). — Lambillionea 55: 3–4, 53–54, 82. On page 54.
Status

Native


Distribution


Imago

Wingspan 13–16 mm. Forewing with conspicuous costal fold reaching mid-costa; ground colour olive-brown, sprinkled with many ochreous-brown transversal lines; some lead-coloured lines in the distal area; outer margin incised above middle, two to four black spots before margin.
Most of the species in this genus should be checked for genitalia, especially when worn.

Museum specimens

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Specimens in nature

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Bionomics

The larva lives in the roots and the rootstocks on the host plant. It hibernates in the larval stage and pupates in the larval habitation.
The adults are active during sunny days in the afternoon and at dusk. Later they come sparsely to light.

No pictures yet!

Flight periods

The adults have been seen from mid-May towards mid-July in one generation a year.


Observed on

Host plant (species):
Tanacetum vulgare

The larva lives probably on Tanacetum vulgare.

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Habitat

It inhabits wasteland, herb-rich roadsides and pastures, flowery grasslands etc...

No pictures yet!