Sycamore

Acronicta aceris

The sycamore is a moth of the family Noctuidae. The species was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae. It is distributed through most of Europe, from central England south to Morocco. To the east it is found from the Near East and Middle East to western Asia. Source

Where it is now

In the last 8 weeks this insect was recorded 24 times across 1 area (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 47°N in May to 60°N in June, about 1,400 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.