Archer'S Dart

Agrotis vestigialis

Agrotis vestigialis, the archer's dart, is a moth of the family Noctuidae. The species was first described by Johann Siegfried Hufnagel in 1766. It is found in most of the Palearctic realm from Ireland east, through to Russia, Siberia, the Altai Mountains and the Amur region, and is also present in the Mediterranean Basin. It is absent from the north of Finland and Norway. Source

Where it is now

In the last 8 weeks this insect was recorded 15 times across 3 areas (each area is a 5 degree square).

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Arrival dates

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.

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