Seq # 362920020

Dichrorampha aeratana (Pierce & Metcalfe, 1915) Species

Last modified: Dec. 20, 2023, 10:52 a.m.


Status insufficiently known, because most of the species of this genus should be checked for genitalia. It is assumed that it is an uncommon species in Belgium.
Distribution based on specimens that have been checked for genitalia.


Details

Classification
Family: Tortricidae > Subfamily: Olethreutinae > Tribus: Grapholitini > Genus: Dichrorampha > Species: Dichrorampha aeratana
Vernacular names
Asgrauwe wortelmot (NL), Obscure Drill, Dingy Daisy Moth (EN), Aschgraue Wurzelmotte (DE)
First mention in Belgium
De Prins W. 1979. Dichrorampha aeratana (Pierce & Metcalfe) een nieuwe soort voor de Belgische fauna (Lep., Tortricidae). — Phegea 7: 69–70. On page 69. view page
Status

Native

First observation in Belgium on 1977-06-18 at Baraque Fraiture (LX), leg. B. Maes, gen. det. W. De Prins.


Distribution


Imago

Wingspan 12–16 mm. A brown species with prominent glossy ochre tips to the scales from the wing base that give it a more peppered appearance than most other Dichrorampha species. Silvery and grey banded cilia. The pale costal strigulae are conspicuously present from one third, or less, subtending oblique plumbeous striae. The termen has prominent black spots.
Genitalia dissection is required to confirm identification.

Museum specimens

No pictures yet!

Specimens in nature


Genitalia


Bionomics

The larva bores in the roots where it hibernates and later pupates in a cocoon in the soil.
Males are on the wing in the afternoon during warm sunny weather and both sexes fly about the foodplant at dusk and later come to light.

No pictures yet!

Flight periods

The adults are on the wing from mid-April towards mid-August.


Observed on

Host plant (species):
Leucanthemum vulgare

The larva feeds on Leucanthemum vulgare. The reference in the literature to *Tanacetum vulgare * is doubtfull.

No pictures yet!

Habitat

It inhabits flowery grasslands and roadsides.

No pictures yet!