Thyrassia penangae
In 3 days ~20% in a week ~40%
Thyrassia penangae is a species of moth in the family Zygaenidae. It is found in south-east Asia, including Peninsular Malaysia and China. Wikipedia →
| # | Park | Country | Daily sighting probability |
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More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Thyrassia penangae sighting in Nanjing on a given day, based on 11 verified sightings from GBIF citizen-science data. It is the 132nd most-seen of the 272 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.
September
In that month about 20% of wildlife watchers report a Thyrassia penangae in Nanjing on a given day, against under 5% in July and October–April, the lowest months.
Among the best
Of the 3 cities where we can rate Thyrassia penangae sightings, Nanjing ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Shanghai (China, about 10%).
Same family: Zygaenidae
The closest relatives of the Thyrassia penangae that you can see in Nanjing (family Zygaenidae, Burnet Moths) are Semi-Hyaline Zygaenid Moth (about 10%), Histia flabellicornis (about 10%) and Sinica sinica (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Thyrassia penangae is recorded against all the insects logged in Nanjing (11 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.
