Common Assassin Bug

Common Assassin Bug

Pristhesancus plagipennis

Daily sighting probability ~30% · Possible
at Sydney

In 3 days ~70% in a week ~90%

1,550 Verified sightings at Sydney
108 In all 5 parks From 2019 to 2026
February Best month
☀️ Diurnal When it's spotted

About the Common Assassin Bug

Pristhesancus plagipennis is an Australian insect in the assassin bug genus Pristhesancus. Amongst its prey is the bronze orange bug (Musgraveia sulciventris), a common garden pest. It is sometimes called the bee-killer assassin bug, as it is also known to prey on honey bees. The juveniles (nymphs / instars) have a distinctive bright orange abdomen. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Royal National Park 🇦🇺 Australia
~30%
2 Noosa National Park 🇦🇺 Australia
~10%
3 Lamington National Park 🇦🇺 Australia
~10%
4 Springbrook National Park 🇦🇺 Australia
~10%
5 Blue Mountains National Park 🇦🇺 Australia
~10%

Cities Where Found

# City Country Daily sighting probability
1 Sydney 🇦🇺 Australia
~30%
2 Brisbane 🇦🇺 Australia
~20%

Before you go

What are the chances of seeing a Common Assassin Bug in Sydney?

Possible

About 30% of wildlife watchers report a Common Assassin Bug sighting in Sydney on a given day, based on 1,550 verified sightings from GBIF citizen-science data. It is the most-seen of the 742 insects we can rate there. Over three days the chance rises to about 70%, and over a week to about 90%, if each day is a fresh chance.

When is the best time to see a Common Assassin Bug in Sydney?

January and February

In those months about 40% of wildlife watchers report a Common Assassin Bug in Sydney on a given day, against about 20% in July and August, the lowest months. Those are among Sydney's wettest months, with about 110 mm of rain a month against 45 mm in September.

What time of day is best to see a Common Assassin Bug?

Between noon and 3 pm

Across all the parks we cover, that three-hour window holds the most Common Assassin Bug sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Sydney the best place to see a Common Assassin Bug?

Yes

Of the 2 cities where we can rate Common Assassin Bug sightings, Sydney has the highest daily chance: about 30%. Next come Brisbane (Australia, about 20%).

Where does the Common Assassin Bug sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Common Assassin Bug is recorded against all the insects logged in Sydney (1,550 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 Sydney