Dotted Chestnut

Conistra rubiginea

Conistra rubiginea, the dotted chestnut, is a moth of the family Noctuidae. The species was first described by Michael Denis and Ignaz Schiffermüller in 1775. It is distributed in Europe and, according to William Warren, Armenia and Asia Minor. Source

Where it is now

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

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Movement and weather

Over the weeks it was present in the past year, its centre in Europe ranged from 46°N in March to 62°N in May, about 1,700 km apart.

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.