Yellow-Shouldered Slug Moth

Yellow-Shouldered Slug Moth

Lithacodes fasciola

Daily sighting probability <5% · Rare
at Austin

In 3 days ~10% in a week ~20%

25 Verified sightings at Austin
66 In all 2 parks From 2019 to 2026
April Best month
☀️🌙 Day & Night When it's spotted

About the Yellow-Shouldered Slug Moth

Lithacodes fasciola, the yellow-shouldered slug or ochre-winged hag moth, is a moth of the family Limacodidae. Wikipedia →

Global Distribution

Parks Where Found

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

Cities Where Found

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

Before you go

What are the chances of seeing a Yellow-Shouldered Slug Moth in Austin?

Rare

Under 5% of wildlife watchers report a Yellow-Shouldered Slug Moth sighting in Austin on a given day, based on 25 verified sightings from GBIF citizen-science data. It is the 821st most-seen of the 1624 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.

When is the best time to see a Yellow-Shouldered Slug Moth in Austin?

April and July

In those months about 10% of wildlife watchers report a Yellow-Shouldered Slug Moth in Austin on a given day, against under 5% in May–June and August–March, the lowest months.

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

Between 9 pm and midnight

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

Is Austin the best place to see a Yellow-Shouldered Slug Moth?

Yes

Of the 5 cities where we can rate Yellow-Shouldered Slug Moth sightings, Austin has the highest daily chance: under 5%. Next come Dallas (United States, under 5%) and Boston (United States, under 5%).

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

GBIF citizen-science records

It is estimated from how often the Yellow-Shouldered Slug Moth is recorded against all the insects logged in Austin (25 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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