Brunia replana
In 3 days ~20% in a week ~40%
Brunia replana, the lichen-eating caterpillar or lichen moth, is a species of moth of the subfamily Arctiinae. It is found in Australia (including New South Wales, Queensland and Tasmania) and the caterpillar feeds nocturnally on lichen.
The wingspan is about 30 mm. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Blue Mountains National Park | 🇦🇺 Australia | |
| 2 | Springbrook National Park | 🇦🇺 Australia |
With luck
About 10% of wildlife watchers report a Lichen-Eating Caterpillar sighting in Springbrook National Park on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 262nd 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 40%, if each day is a fresh chance.
January, April–June and November
In those months about 10% of wildlife watchers report a Lichen-Eating Caterpillar in Springbrook National Park on a given day, against under 5% in February–March, July–October and December, the lowest months.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Lichen-Eating Caterpillar sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 2 parks where we can rate Lichen-Eating Caterpillar sightings, Springbrook National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Blue Mountains National Park (Australia, about 10%).
Same family: Erebidae
The closest relatives of the Lichen-Eating Caterpillar that you can see in Springbrook National Park (family Erebidae, Underwing, Tiger, Tussock, and Allied Moths) are Eilema plana (about 20%), Asian Magpie Moth (about 20%) and Jute Looper (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Lichen-Eating Caterpillar is recorded against all the insects logged in Springbrook National Park (8 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.
