Thallarcha albicollis
In 3 days ~10% in a week ~30%
Thallarcha albicollis is a moth of the subfamily Arctiinae first described by Rudolf Felder and Alois Friedrich Rogenhofer in 1875. It is found in Australia, including Tasmania. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Otway National Park | 🇦🇺 Australia | |
| 2 | Blue Mountains National Park | 🇦🇺 Australia |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Melbourne | 🇦🇺 Australia |
With luck
About 10% of wildlife watchers report a Thallarcha albicollis sighting in Blue Mountains National Park on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 456th most-seen of the 789 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
January and September–November
In those months about 10% of wildlife watchers report a Thallarcha albicollis in Blue Mountains National Park on a given day, against under 5% in February–August and December, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Thallarcha albicollis sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Among the best
Of the 2 parks where we can rate Thallarcha albicollis sightings, Blue Mountains National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Great Otway National Park (Australia, about 10%).
Same genus: Thallarcha
The closest relatives of the Thallarcha albicollis that you can see in Blue Mountains National Park (genus Thallarcha) are Thallarcha phalarota (about 10%) and Thallarcha macilenta (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Thallarcha albicollis is recorded against all the insects logged in Blue Mountains 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.
