Pristhesancus plagipennis
In 3 days ~20% in a week ~30%
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 →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Royal National Park | 🇦🇺 Australia | |
| 2 | Noosa National Park | 🇦🇺 Australia | |
| 3 | Lamington National Park | 🇦🇺 Australia | |
| 4 | Springbrook National Park | 🇦🇺 Australia | |
| 5 | Blue Mountains National Park | 🇦🇺 Australia |
With luck
About 10% of wildlife watchers report a Common Assassin Bug sighting in Blue Mountains National Park on a given day, based on 10 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 409th most-seen of the 789 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
February–May, July and October
In those months about 10% of wildlife watchers report a Common Assassin Bug in Blue Mountains National Park on a given day, against under 5% in June, August–September and November–January, the lowest months.
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.
5th of 5
Of the 5 parks where we can rate Common Assassin Bug sightings, Blue Mountains National Park ranks 5th at about 10%. The best odds are in Royal National Park (Australia, about 30%), Noosa National Park (Australia, about 10%) and Lamington National Park (Australia, about 10%).
Same family: Reduviidae
The closest relatives of the Common Assassin Bug that you can see in Blue Mountains National Park (family Reduviidae, Assassin Bugs) are Orange Assassin Bug (about 10%), Ectomocoris ornatus (about 10%) and Austrovelinus varius (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Common Assassin Bug is recorded against all the insects logged in Blue Mountains National Park (10 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.
