Dichrorampha acuminatana

• Subfamily: Olethreutinae, Grapholitini
• Wingspan: 11-15 mm
• Flight period: May - Sep
• Spread: Uncommon
• Host plants: Asteraceae

Information

The Dichrorampha acuminatana also known as Sharp-winged Drill is a moth of the Tortricidae family with a wingspan of 11-15 mm. Present in almost all of Europe with the exception of Portugal, the Balkan Peninsula and Belarus *.
Its range extends to the Middle East
In Italy it is also present in the islands. *

The front wings of the Dichrorampha acuminatana have a dark brown background color, intense, with lighter markings and often heavily sprinkled with ocher. **
A whitish spot, composed of a series of lines, is present in the mid-dorsal area. The costa has gray streaks from about half to the apex. Visible 4 or 5 small dark almost black dashes along the margin, delimited by a white line ** character that distinguishes it from the congener Dichrorampha simpliciana .

The edge is fringed in light color. The hind wings are off-white or brownish, also fringed. **

It flies in two generations, from May to September generally with a break in July, it overwinters at the larva stage. The pupae are visible from May to September.
Like other species of the Dichrorampha genus, the larvae burrow into the rootstock and feed inside the stems and roots of the host plants. ***

Among the host plants there are various Asteraceae such as Leucanthemum vulgare (common daisy), Tanacetum vulgare (tansy) and Chrysanthemum.


* Lepidoptera mundi https://lepidoptera.eu/ - Fauna Europea https://fauna-eu.org/
** Bestimmungshilfe für die in Europa nachgewiesenen Schmetterlingsarten - http://lepiforum.de/
*** Online guide to the moths of Great Britain and Ireland - https://ukmoths.org.uk/