Yellow-Collared Slug Moth

Yellow-Collared Slug Moth

Apoda y-inversa

Daily sighting probability <5% · Rare
at New York City

In 3 days ~10%

8 Verified sightings at New York City
23 In all 2 parks From 2019 to 2026
June Best month
☀️🌙 Day & Night When it's spotted

About the Yellow-Collared Slug Moth

Apoda y-inversum, the inverted Y slug moth or yellow-collared slug moth, is a moth of the family Limacodidae. It is found in North America from Quebec and Ontario, south to Florida, west to Oklahoma and Mississippi. The wingspan is 21–30 mm. Adults are on wing from May to August.

The larvae feed on the leaves of beech, hickory, ironwood and oak. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Shenandoah National Park 🇺🇸 United States
~10%
2 Great Smoky Mountains National Park 🇺🇸 United States
<5%

Cities Where Found

# City Country Daily sighting probability
1 Dallas 🇺🇸 United States
~10%
2 Austin 🇺🇸 United States
<5%
3 New York City 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Yellow-Collared Slug Moth in New York City?

Rare

Under 5% of wildlife watchers report a Yellow-Collared Slug Moth sighting in New York City on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 1363rd most-seen of the 1623 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 Yellow-Collared Slug Moth in New York City?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Yellow-Collared Slug Moth in New York City on a given day, so our monthly data shows no clear season.

What time of day is best to see a Yellow-Collared Slug Moth?

Between 9 pm and midnight

Across all the parks we cover, that three-hour window holds the most Yellow-Collared Slug Moth sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is seen both by day and at night.

Is New York City the best place to see a Yellow-Collared Slug Moth?

3rd of 3

Of the 3 cities where we can rate Yellow-Collared Slug Moth sightings, New York City ranks 3rd at under 5%. The best odds are in Dallas (United States, about 10%) and Austin (United States, under 5%).

Where does the Yellow-Collared Slug Moth sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Yellow-Collared Slug Moth is recorded against all the insects logged in New York City (8 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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