Red-Shouldered Stink Bug

Red-Shouldered Stink Bug

Thyanta custator

Daily sighting probability ~10% · With luck
at Mesa

In 3 days ~20% in a week ~40%

18 Verified sightings at Mesa
5 In 1 park From 2019 to 2026
August Best month
☀️🌙 Day & Night When it's spotted

About the Red-Shouldered Stink Bug

Thyanta custator, commonly known as the red-shouldered stink bug, is a species of stink bug in the family Pentatomidae. It is found in North America. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Saguaro National Park 🇺🇸 United States
<5%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Dallas 🇺🇸 United States
~10%
2 Mesa 🇺🇸 United States
~10%
3 Austin 🇺🇸 United States
<5%
4 Phoenix 🇺🇸 United States
<5%
5 Montreal 🇨🇦 Canada
<5%
6 Salt Lake City 🇺🇸 United States
<5%
7 San Antonio 🇺🇸 United States
<5%
8 Denver 🇺🇸 United States
<5%
9 Toronto 🇨🇦 Canada
<5%
10 Houston 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Red-Shouldered Stink Bug in Mesa?

With luck

About 10% of wildlife watchers report a Red-Shouldered Stink Bug sighting in Mesa on a given day, based on 18 verified sightings from GBIF citizen-science data. It is the 106th most-seen of the 232 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.

When is the best time to see a Red-Shouldered Stink Bug in Mesa?

August

In that month about 20% of wildlife watchers report a Red-Shouldered Stink Bug in Mesa on a given day, against under 5% in July and October–March, the lowest months. That is one of Mesa's wettest months, with about 35 mm of rain against almost none in June.

What time of day is best to see a Red-Shouldered Stink Bug?

Between 7 and 10 pm

Across all the parks we cover, that three-hour window holds the most Red-Shouldered Stink Bug 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 Mesa the best place to see a Red-Shouldered Stink Bug?

Among the best

Of the 14 cities where we can rate Red-Shouldered Stink Bug sightings, Mesa ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Dallas (United States, about 10%).

Where does the Red-Shouldered Stink Bug sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Red-Shouldered Stink Bug is recorded against all the insects logged in Mesa (18 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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