Potanthus flava
In 3 days ~10% in a week ~30%
Potanthus flavus is a butterfly of the family Hesperiidae. It is found from the Amur region of Russia to Japan, as well as in Thailand, the Philippines and China (Jilin, Hebei, Shandong, Hunan, Fujian and Yunnan). The wingspan is 27–30 mm. 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 Japanese Dart sighting in Osaka on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 246th most-seen of the 352 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.
June and August–September
In those months about 10% of wildlife watchers report a Japanese Dart in Osaka on a given day, against under 5% in July and October–May, the lowest months.
3rd of 3
Of the 3 cities where we can rate Japanese Dart sightings, Osaka ranks 3rd at under 5%. The best odds are in Nagoya (Japan, about 10%) and Tokyo (Japan, about 10%).
Same family: Hesperiidae
The closest relatives of the Japanese Dart that you can see in Osaka (family Hesperiidae, Skippers) are Small Branded Swift (about 10%) and Common Straight Swift (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Japanese Dart is recorded against all the insects logged in Osaka (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.
