Cutworm

Syngrapha interrogationis

Syngrapha interrogationis, the scarce silver Y, is a moth of the family Noctuidae. It is found in northern part of the world including Alaska, Canada, Iceland, Europe, Siberia, the Pacific Northwest region of the United States, and Northeast Asia. Source

Where it is now

In the last 8 weeks this insect was recorded 15 times across 2 areas (each area is a 5 degree square).

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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.