Seq # 362920010

Dichrorampha acuminatana (Lienig & Zeller, 1846) Species

Last modified: May 5, 2024, 2:51 p.m.


A not so common species throughout Belgium.


Details

Classification
Family: Tortricidae > Subfamily: Olethreutinae > Tribus: Grapholitini > Genus: Dichrorampha > Species: Dichrorampha acuminatana
Vernacular names
Margrietwortelmot (NL), Sharp-winged Drill, Common Daisy Moth (EN), Gewöhnlicher Margeritenwickler (DE)
First mention in Belgium
De Crombrugghe G. 1899. Note sur quelques Microlépidoptères nouveaux pour la faune belge. — Annales de la Société Entomologique de Belgique 43: 72–76. On page 73.
Status

Native


Distribution


Imago

Wingspan 10–15 mm. This is a dark purplish brown species with a clear white band in the cilia, a dorsal patch with striae, small black dots on the termen and plumbeous striae from the pale costal strigulae. .
Most of the species in this genus should be checked for genitalia, especially when worn.

Museum specimens

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Specimens in nature


Genitalia


Caterpillar

Whitish body with a brown head brown, laterally darker and prothoracic plate brownish.

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Bionomics

The larva lives in the rootstock, tunnelling down into the roots of the food plant. It hibernates in the larval stage. Pupation in a silken cocoon in the larval habitation.
The adults are readily disturbed from rest during the day. They are active towards late afternoon and later come sparsely to light.

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Flight periods

The adults fly in two generations a year from end of April till late June and again from early July towards late September. Most observations during May and August.


Observed on

Host plant (species):
Leucanthemum vulgare

The larva lives on Leucanthemum vulgare. In literature is Tanacetum vulgare also mentioned, but this is still uncertain.

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Habitat

It inhabits flowery grasslands and roadsides.

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