Pale Mottled Willow

Caradrina clavipalpis

Caradrina clavipalpis, the pale mottled willow is a moth of the family Noctuidae. The species was first described by Giovanni Antonio Scopoli in his 1763 Entomologia Carniolica. It is found in the Palearctic realm. It is an introduced species in North America, where it was first reported from Queens in New York City in 1993. In 2009 it was found in Rochester, New York, so it appears to be established and spreading. Source

Where it is now

In the last 8 weeks this insect was recorded 196 times across 9 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 40°N in October to 59°N in September, about 2,100 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.