Three-Patched Bigwing

Three-Patched Bigwing

Heterophleps refusaria

Daily sighting probability <5% · Rare
at Great Smoky Mountains National Park

In 3 days ~10% in a week ~30%

11 Verified sightings at Great Smoky Mountains National Park From 2019 to 2026
17 In all 2 parks
July Best month
☀️🌙 Day & Night When it's spotted

About the Three-Patched Bigwing

Heterophleps refusaria, the three-patched bigwing, is a species of geometrid moth in the family Geometridae. It was described by Francis Walker in 1861 and is found in North America. The MONA or Hodges number for Heterophleps refusaria is 7645. Wikipedia →

Global Distribution

Parks Where Found

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

Before you go

What are the chances of seeing a Three-Patched Bigwing in Great Smoky Mountains National Park?

Rare

Under 5% of wildlife watchers report a Three-Patched Bigwing sighting in Great Smoky Mountains National Park on a given day, based on 11 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 441st most-seen of the 822 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Three-Patched Bigwing in Great Smoky Mountains National Park?

June and July

In those months about 10% of wildlife watchers report a Three-Patched Bigwing in Great Smoky Mountains National Park on a given day, against under 5% in August to May, the lowest months.

What time of day is best to see a Three-Patched Bigwing?

Between 8 and 11 pm

Across all the parks we cover, that three-hour window holds the most Three-Patched Bigwing 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 Great Smoky Mountains National Park the best place to see a Three-Patched Bigwing?

Among the best

Of the 2 parks where we can rate Three-Patched Bigwing sightings, Great Smoky Mountains National Park ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Shenandoah National Park (United States, under 5%).

Where does the Three-Patched Bigwing sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Three-Patched Bigwing is recorded against all the insects logged in Great Smoky Mountains National Park (11 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.

← Back to Great Smoky Mountains National Park