Thyas juno
In 3 days ~10% in a week ~20%
Thyas juno is a species of moth of the family Erebidae first described by Johan Wilhelm Dalman in 1823. It is found in the Indian subregion, China, Japan, Korea, Thailand, Borneo, Java, Sulawesi and on the southern Moluccas.
The larvae feed on Castanea, Quercus, Juglans and Pterocarya species. Wikipedia →
| # | Park | Country | Daily sighting probability |
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More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report a Thyas juno sighting in Hong Kong on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 868th most-seen of the 1125 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
February
In that month about 10% of wildlife watchers report a Thyas juno in Hong Kong on a given day, against under 5% in March to January, the lowest months. That is one of Hong Kong's driest months, with about 30 mm of rain against 280 mm in June.
Among the best
Of the 3 cities where we can rate Thyas juno sightings, Hong Kong ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Osaka (Japan, under 5%).
Same family: Erebidae
The closest relatives of the Thyas juno that you can see in Hong Kong (family Erebidae, Underwing, Tiger, Tussock, and Allied Moths) are Banyan Tussock Moth (about 20%), Orvasca subnotata (about 20%) and Zhejiang Tussock Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Thyas juno is recorded against all the insects logged in Hong Kong (7 verified sightings), 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.
