Dark Crimson Underwing

Catocala sponsa

Catocala sponsa, the dark crimson underwing, is a species of moth of the family Erebidae. It is found in Europe, North Africa and from Anatolia up to the Caucasus. Source

Where it is now

In the last 8 weeks this insect was recorded 3 times across 1 area (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.