Isabella Tiger Moth

Pyrrharctia isabella

Isabella Tiger Moth (Pyrrharctia isabella)
Image: Wikipedia / Wikimedia Commons, CC BY-SA, wikipedia

Pyrrharctia isabella, the Isabella tiger moth, whose larval form is called the banded woolly bear, woolly bear, or woolly worm, occurs in the United States and throughout Canada. It was first formally named by James Edward Smith in 1797. Source

Where is the Isabella Tiger Moth now?

In the last 8 weeks this insect was recorded 43 times across 5 areas (each area is a 5 degree square).

See the Isabella Tiger Moth on the live map

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How the Isabella Tiger Moth moves through the year

Over the weeks it was present in the past year, its centre in North America ranged from 37°N in May to 47°N in July, about 1,000 km apart.

Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.