Mournful Thyris Moth

Mournful Thyris Moth

Pseudothyris sepulchralis

Daily sighting probability ~10% · With luck
at Great Smoky Mountains National Park

In 3 days ~40% in a week ~60%

74 Verified sightings at Great Smoky Mountains National Park From 2019 to 2026
81 In all 2 parks
April Best month
☀️ Diurnal When it's spotted

About the Mournful Thyris Moth

Pseudothyris sepulchralis, the mournful thyris, is a species of day-flying moth in the family Thyrididae and can be found throughout North America. They have a flight duration of 2–3 weeks. The adults are rarely found on flowering plants for feeding. 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 San Antonio 🇺🇸 United States
<5%
4 Boston 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Mournful Thyris Moth in Great Smoky Mountains National Park?

With luck

About 10% of wildlife watchers report a Mournful Thyris Moth sighting in Great Smoky Mountains National Park on a given day, based on 74 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 71st most-seen of the 822 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 60%, if each day is a fresh chance.

When is the best time to see a Mournful Thyris Moth in Great Smoky Mountains National Park?

April

In that month about 40% of wildlife watchers report a Mournful Thyris Moth in Great Smoky Mountains National Park on a given day, against under 5% in July to February, the lowest months.

What time of day is best to see a Mournful Thyris Moth?

Between noon and 3 pm

Across all the parks we cover, that three-hour window holds the most Mournful Thyris Moth sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.

Is Great Smoky Mountains National Park the best place to see a Mournful Thyris Moth?

Yes

Of the 2 parks where we can rate Mournful Thyris Moth sightings, Great Smoky Mountains National Park has the highest daily chance: about 10%. Next come Shenandoah National Park (United States, about 10%).

Where does the Mournful Thyris Moth sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Mournful Thyris Moth is recorded against all the insects logged in Great Smoky Mountains National Park (74 verified sightings from 2019 to 2026), 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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