Rannoch Looper

Macaria brunneata

Macaria brunneata, the Rannoch looper, is a moth of the family Geometridae. The species was first described by Carl Peter Thunberg in 1784. It is found in Siberia, Japan, and northern and mountainous parts of North America, and throughout Europe, though in Britain it is largely or entirely restricted to mature forests in central Scotland. 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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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.