Dichrorampha acuminatana

(Lienig & Zeller, 1846)

Sharp-winged Drill

Dichrorampha acuminatana is a small with a wingspan of 10–15 mm, found across Europe and the Near East. The exhibits distinctive patterns with dark fuscous ground color, purplish tints, and ochreous . are active from May to September, with feeding on Leucanthemum vulgare (oxeye daisy) and Tanacetum vulgare (tansy). The species has been well-documented in Belgium and the Netherlands, with over 2,000 iNaturalist observations.

Dichrorampha acuminatana by (c) Donald Hobern, some rights reserved (CC BY). Used under a CC-BY license.Dichrorampha acuminatana by Donald Hobern from Canberra, Australia. Used under a CC BY 2.0 license.Dichrorampha acuminatana (36620088250) by Donald Hobern from Copenhagen, Denmark. Used under a CC BY 2.0 license.

Pronunciation

How to pronounce Dichrorampha acuminatana: /dɪkroʊˈræmfə əˌkjuːmɪˈnɑːtənə/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Distinguished from related Dichrorampha by the straighter of the . The combination of dark fuscous purplish-tinged ground color with ochreous , leaden-metallic streaks, and the characteristic paler triangular blotch is diagnostic. The three black dots on the , though sometimes obsolete, aid identification. The sharply marked and straight termen with minimal sinuation separate it from .

Images

Appearance

Small with wingspan 10–15 mm. with straighter than related ; fold reaches 1/3. Ground color dark fuscous with purplish tinge, obscurely with ochreous. with obscure leaden-metallic streaks. area paler-streaked. Prominent paler broad triangular straight-edged blotch. Three black dots on towards middle, sometimes nearly obsolete. Termen straight with very slight sinuation; sharply marked. light fuscous, darker in females. whitish with light ; plate of 2 faintly brownish.

Distribution

Europe and the Near East. Well-documented in Belgium (including Brussels-Capital, Flemish, and Walloon regions), the Netherlands, and other parts of continental Europe.

Seasonality

from May to September. season data primarily from Belgium and the Netherlands; timing may vary in other parts of the range.

Diet

feed on Leucanthemum vulgare (oxeye daisy) and Tanacetum vulgare (tansy).

Host Associations

  • Leucanthemum vulgare - larval oxeye daisy
  • Tanacetum vulgare - larval tansy

Similar Taxa

  • Dichrorampha alpestranaSimilar pattern but D. acuminatana has straighter and distinct triangular blotch
  • Dichrorampha montananaHistorically confused ; D. acuminatana distinguished by and pattern details

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Sources and further reading