Notch-wing Button

Acleris emargana

Notch-wing Button (Acleris emargana)
Image: Wikipedia / Wikimedia Commons, CC BY-SA, wikipedia

Acleris emargana, the notched-winged tortricid, is a moth of the family Tortricidae. The species was first described by Johan Christian Fabricius in 1775. Source

Where is the Notch-wing Button now?

In the last 8 weeks it was recorded 56 times across 4 areas (each area is a 5 degree square).

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When does the Notch-wing Button arrive?

The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.

RegionFirst arrivalLast arrivalTypical peakAreas
Europe17 August 202617 August 202621 September 20261

Download every area as CSV · Review these arrival dates (researchers, ORCID sign-in)

Arriving at the same time in Europe

Every arrival in Europe, month by month

Related species

Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured · How it compares with human observers