Hemlock Looper

Lambdina fiscellaria

Hemlock Looper (Lambdina fiscellaria)
Image: Wikipedia / Wikimedia Commons, CC BY-SA, wikipedia

Lambdina fiscellaria, the mournful thorn or hemlock looper, is a moth of the family Geometridae. It is found in North America, from the Pacific to the Atlantic coast and from Canada south to Pennsylvania, Wisconsin and California. Source

Where is the Hemlock Looper now?

In the last 8 weeks this insect was recorded 55 times across 7 areas (each area is a 5 degree square).

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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.