Northern Deep-Brown Dart

Aporophyla lueneburgensis

The northern deep-brown dart is a moth of the family Noctuidae. It was first described by Christian Friedrich Freyer in 1848. It is found in northern and western Europe. Source

Where it is now

In the last 8 weeks this insect was recorded 331 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.