Speiredonia spectans
In 3 days ~10% in a week ~30%
Speiredonia spectans, the granny's cloak moth, is a moth of the family Erebidae. The species was first described by Achille Guenée in 1852. It is found in north-eastern Australia and Tasmania. Strays have been recorded on Norfolk Island and in New Zealand.
The wingspan is about 70 mm. The larvae feed on Acacia species. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Lamington National Park | 🇦🇺 Australia | |
| 2 | Springbrook National Park | 🇦🇺 Australia | |
| 3 | Royal National Park | 🇦🇺 Australia | |
| 4 | Blue Mountains National Park | 🇦🇺 Australia |
With luck
About 10% of wildlife watchers report a Granny's Cloak Moth sighting in Blue Mountains National Park on a given day, based on 9 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, March and November
In those months about 10% of wildlife watchers report a Granny's Cloak Moth in Blue Mountains National Park on a given day, against under 5% in February, April–October and December, the lowest months. Those are among Blue Mountains National Park's wettest months, with about 130 mm of rain a month against 40 mm in May.
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Granny's Cloak Moth 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.
Among the best
Of the 4 parks where we can rate Granny's Cloak Moth sightings, Blue Mountains National Park ranks 4th at about 10%, level with the leaders once rounded. The best odds are in Lamington National Park (Australia, about 10%), Springbrook National Park (Australia, about 10%) and Royal National Park (Australia, about 10%).
Same family: Erebidae
The closest relatives of the Granny's Cloak Moth that you can see in Blue Mountains National Park (family Erebidae, Underwing, Tiger, Tussock, and Allied Moths) are Light Ermine Moth (about 10%), Bird Dropping Lichen Moth (about 10%) and Tigrioides alterna (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Granny's Cloak Moth is recorded against all the insects logged in Blue Mountains National Park (9 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.
