White Ermine

Spilosoma lubricipeda

Spilosoma lubricipeda, the white ermine, is a moth of the family Erebidae. It is found throughout the temperate belt of Eurasia from Europe through Kazakhstan and southern Siberia to Amur Region,India, China, Korea and Japan. In China several sibling species occur. Source

Where it is now

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

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Movement and weather

Each season it is first heard regularly where daytime highs are around 17°C (typically 16 to 20°C, from 8 areas). That holds across 15° of latitude, which suggests its timing follows temperature more than the calendar.

Over the weeks it was present in the past year, its centre in Europe ranged from 48°N in April to 58°N in June, about 1,000 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.