Fallen Bark Looper

Fallen Bark Looper

Gastrophora henricaria

Endemic
Daily sighting probability ~20% · Possible
at Kosciuszko National Park

In 3 days ~40% in a week ~70%

14 Verified sightings at Kosciuszko National Park From 2019 to 2026
113 In all 6 parks
November Best month
☀️🌙 Day & Night When it's spotted

About the Fallen Bark Looper

Gastrophora is a monotypic moth genus in the family Geometridae. Its only species, Gastrophora henricaria, the fallen bark looper or beautiful leaf moth, is found in the south-east corner of Australia. Both the genus and species were first described by Achille Guenée in 1857.

The wingspan is about 50 mm. The larvae feed on Eucalyptus species and Lophostemon confertus. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Kosciuszko National Park 🇦🇺 Australia
~20%
2 Blue Mountains National Park 🇦🇺 Australia
~10%
3 Lamington National Park 🇦🇺 Australia
~10%
4 Great Otway National Park 🇦🇺 Australia
~10%
5 Springbrook National Park 🇦🇺 Australia
~10%
6 Royal National Park 🇦🇺 Australia
~10%

Cities Where Found

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

Before you go

What are the chances of seeing a Fallen Bark Looper in Kosciuszko National Park?

Possible

About 20% of wildlife watchers report a Fallen Bark Looper sighting in Kosciuszko National Park on a given day, based on 14 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 39th most-seen of the 105 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.

When is the best time to see a Fallen Bark Looper in Kosciuszko National Park?

November

In that month about 40% of wildlife watchers report a Fallen Bark Looper in Kosciuszko National Park on a given day, against under 5% in March to September, the lowest months.

What time of day is best to see a Fallen Bark Looper?

Between 8 and 11 pm

Across all the parks we cover, that three-hour window holds the most Fallen Bark Looper sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.

Is Kosciuszko National Park the best place to see a Fallen Bark Looper?

Yes

Of the 6 parks where we can rate Fallen Bark Looper sightings, Kosciuszko National Park has the highest daily chance: about 20%. Next come Blue Mountains National Park (Australia, about 10%) and Lamington National Park (Australia, about 10%).

Where does the Fallen Bark Looper sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Fallen Bark Looper is recorded against all the insects logged in Kosciuszko National Park (14 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.

← Back to Kosciuszko National Park