Pearl Veneer

Agriphila straminella

Agriphila straminella is a species of moth of the family Crambidae. It was described by Michael Denis and Ignaz Schiffermüller in 1775 and is found in Europe and east across the Palearctic. Source

Where it is now

In the last 8 weeks this insect was recorded 22 times across 4 areas (each area is a 5 degree square).

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Movement and weather

Each season it is first heard regularly where daytime highs are around 20°C (typically 18 to 29°C, from 8 areas). That range is wide, so temperature alone does not explain when it turns up.

Over the weeks it was present in the past year, its centre in Europe ranged from 53°N in September to 66°N in June, about 1,500 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.