Nut Leaf Weevil

Strophosoma melanogrammum

Nut Leaf Weevil (Strophosoma melanogrammum)
Image: Wikipedia / Wikimedia Commons, CC BY-SA, wikipedia

Strophosoma melanogrammum is a species of weevil that is native to the European Continent, but has been introduced into North America as well. Source

Where is the Nut Leaf Weevil now?

In the last 8 weeks it was recorded 4 times across 2 areas (each area is a 5 degree square).

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When does the Nut Leaf Weevil 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
Europe9 February 20269 February 202616 February 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

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