Gum Tree Shield Bug

Gum Tree Shield Bug

Theseus modestus

Daily sighting probability ~10% · With luck
at Perth

In 3 days ~30% in a week ~60%

62 Verified sightings at Perth
September Best month
☀️ Diurnal When it's spotted

About the Gum Tree Shield Bug

Theseus modestus is a species of stink bug in the family Pentatomidae, found in Australia. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Perth 🇦🇺 Australia
~10%
2 Brisbane 🇦🇺 Australia
~10%
3 Sydney 🇦🇺 Australia
<5%

Before you go

What are the chances of seeing a Gum Tree Shield Bug in Perth?

With luck

About 10% of wildlife watchers report a Gum Tree Shield Bug sighting in Perth on a given day, based on 62 verified sightings from GBIF citizen-science data. It is the 32nd most-seen of the 275 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.

When is the best time to see a Gum Tree Shield Bug in Perth?

September

In that month about 20% of wildlife watchers report a Gum Tree Shield Bug in Perth on a given day, against about 10% in October to August, the lowest months.

What time of day is best to see a Gum Tree Shield Bug?

Between 9 am and noon

Across all the parks we cover, that three-hour window holds the most Gum Tree Shield Bug sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Perth the best place to see a Gum Tree Shield Bug?

Yes

Of the 3 cities where we can rate Gum Tree Shield Bug sightings, Perth has the highest daily chance: about 10%. Next come Brisbane (Australia, about 10%) and Sydney (Australia, under 5%).

Which relatives of the Gum Tree Shield Bug live in Perth?

Same family: Pentatomidae

The closest relatives of the Gum Tree Shield Bug that you can see in Perth (family Pentatomidae, Stink Bugs) are Poecilometis lineatus (about 10%) and Brown Soldier Bug (about 10%), with each one's daily chance of a sighting.

Where does the Gum Tree Shield Bug sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Gum Tree Shield Bug is recorded against all the insects logged in Perth (62 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.

← Back to Perth