Common Quaker

Orthosia cerasi

The common Quaker is a moth of the family Noctuidae first described by Johan Christian Fabricius in 1775. Some authors prefer the synonym Orthosia stabilis (Denis & Schiffermüller, 1775). It is distributed throughout Europe and is also found in Turkey, Palestine (region), Transcaucasia, Russia and eastern Siberia. Source

Where it is now

No records in the last 8 weeks. It may be out of season where the observers and sensors are.

See the Common Quaker on the live map

Movement and weather

Each season it is first heard regularly where daytime highs are around 14°C (typically 7 to 16°C, from 6 areas).

Over the weeks it was present in the past year, its centre in Europe ranged from 49°N in March to 60°N in May, about 1,200 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.