Bag-Shelter Moth

Bag-Shelter Moth

Ochrogaster lunifer

Endemic
Daily sighting probability ~20% · Possible
at Uluru-Kata Tjuta National Park

In 3 days ~50% in a week ~80%

10 Verified sightings at Uluru-Kata Tjuta National Park From 2019 to 2026
50 In all 6 parks
September Best month
☀️ Diurnal When it's spotted

About the Bag-Shelter Moth

Ochrogaster lunifer, the bag-shelter moth or processionary caterpillar, is a member of the family Notodontidae. The species was first described by Gottlieb August Wilhelm Herrich-Schäffer in 1855. Both the larval and adult forms have hairs that cause irritation of the skin (urticaria). The adult moth has a woolly appearance and its wings can grow to be about 5.5 cm across. The larvae feed on Grevillea striata at night and reside in brown silken bag nests during the day.

Ochrogaster lunifer has a one-year lifecycle, living communally with siblings and conspecifics from egg to pre-pupa. In October to November (Spring), adult moths emerge from the pupae underground, mate and the females lay an egg mass containing 150–550 eggs on the trunk or in the canopy of a host tree. Host trees include species of wattles and eucalypts. The eggs hatch after approximately 3–4 weeks. The caterpillars moult 7 times giving 8 instars which develop from December to May (Summer-Autumn). First instars do not feed and stay within the protection of the egg mass, other early instars feed on leaves in their host tree during the day and later instars feed at night. Throughout their development, the... Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Uluru-Kata Tjuta National Park 🇦🇺 Australia
~20%
2 Cape Range 🇦🇺 Australia
~20%
3 Hattah-Kulkyne National Park 🇦🇺 Australia
~20%
4 Ningaloo Marine Park 🇦🇺 Australia
~10%
5 Grampians National Park 🇦🇺 Australia
~10%
6 Blue Mountains National Park 🇦🇺 Australia
~10%

Cities Where Found

# City Country Daily sighting probability
1 Brisbane 🇦🇺 Australia
~10%

Before you go

What are the chances of seeing a Bag-Shelter Moth in Uluru-Kata Tjuta National Park?

Possible

About 20% of wildlife watchers report a Bag-Shelter Moth sighting in Uluru-Kata Tjuta National Park on a given day, based on 10 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 15th most-seen of the 38 insects we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.

When is the best time to see a Bag-Shelter Moth in Uluru-Kata Tjuta National Park?

September

In that month about 40% of wildlife watchers report a Bag-Shelter Moth in Uluru-Kata Tjuta National Park on a given day, against under 5% in June–August and December–March, the lowest months.

What time of day is best to see a Bag-Shelter Moth?

Between 8 and 11 am

Across all the parks we cover, that three-hour window holds the most Bag-Shelter Moth 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 Uluru-Kata Tjuta National Park the best place to see a Bag-Shelter Moth?

Yes

Of the 6 parks where we can rate Bag-Shelter Moth sightings, Uluru-Kata Tjuta National Park has the highest daily chance: about 20%. Next come Cape Range (Australia, about 20%) and Hattah-Kulkyne National Park (Australia, about 20%).

Where does the Bag-Shelter Moth sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Bag-Shelter Moth is recorded against all the insects logged in Uluru-Kata Tjuta 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.

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