Forbes' Idia Moth

Forbes' Idia Moth

Idia forbesii

Daily sighting probability <5% · Rare
at Washington

In 3 days ~10%

5 Verified sightings at Washington
June Best month

About the Forbes' Idia Moth

Idia forbesii, or Forbes' idia moth, is a litter moth of the family Erebidae. The species was first described by George Hazen French in 1894. It is found in North America from Wisconsin to Quebec, south to Florida and Texas.

The wingspan is about 17 mm. There is one generation in the north and multiple generations in the south. Larvae feed on detritus, including dead leaves. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Washington 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Forbes' Idia Moth in Washington?

Rare

Under 5% of wildlife watchers report a Forbes' Idia Moth sighting in Washington on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 1649th most-seen of the 1807 insects we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.

When is the best time to see a Forbes' Idia Moth in Washington?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Forbes' Idia Moth in Washington on a given day, so our monthly data shows no clear season.

Where else can you see a Forbes' Idia Moth?

Only Washington, in our data

Washington is the only city on Wallace's Line with enough records to rate Forbes' Idia Moth sightings: under 5% of wildlife watchers there report one on a given day.

Where does the Forbes' Idia Moth sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Forbes' Idia Moth is recorded against all the insects logged in Washington (5 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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