Acrophylla titan
In 3 days ~20% in a week ~50%
Acrophylla titan, the titan stick insect, is the third-longest stick insect found in Australia. First described by William Sharp Macleay in 1826, it was considered to be the longest stick insect in the world until the discovery of Ctenomorpha gargantua.
It is native to south-east Queensland and New South Wales. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Springbrook National Park | 🇦🇺 Australia | |
| 2 | Blue Mountains National Park | 🇦🇺 Australia |
With luck
About 10% of wildlife watchers report a Titan Stick Insect sighting in Springbrook National Park on a given day, based on 10 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 180th most-seen of the 429 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
March, May, August–September and December–January
In those months about 10% of wildlife watchers report a Titan Stick Insect in Springbrook National Park on a given day, against under 5% in February, April, June–July and October–November, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Titan Stick Insect sightings with a recorded time, and about half of them come between 6 am and 6 pm: it is seen both by day and at night.
Yes
Of the 2 parks where we can rate Titan Stick Insect sightings, Springbrook National Park has the highest daily chance: about 10%. Next come Blue Mountains National Park (Australia, about 10%).
Same family: Phasmatidae
The closest relatives of the Titan Stick Insect that you can see in Springbrook National Park (family Phasmatidae) are Tessellated Stick Insect (about 20%), Margin-Winged Stick Insect (about 10%) and Red-Winged Stick Insect (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Titan Stick Insect is recorded against all the insects logged in Springbrook 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.
