Nordstromia japonica
In 3 days ~10% in a week ~20%
Nordstromia japonica is a species of moth belonging to the subfamily Drepaninae. It is found in Japan and China (Hunan and Sichuan). The wingspan is 25–37 mm. Adults are pale vinous lavender grey, with two narrow brown-bordered, yellow, obliquely transverse bands on both wings. The outer band crosses from the apex to the middle of the abdominal margin and the inner band from the middle of the costa to one-third the latter. The costal edge and apex of the forewings are ochreous yellow. There is a slight curved brown streak on the forewings and a small spot on the hindwings at the end of the cell. 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 Nordstromia japonica sighting in Seoul on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 353rd most-seen of the 525 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.
July and August
In those months about 10% of wildlife watchers report a Nordstromia japonica in Seoul on a given day, against under 5% in September to June, the lowest months. Those are among Seoul's wettest months, with about 310 mm of rain a month against 20 mm in January.
Yes
Of the 2 cities where we can rate Nordstromia japonica sightings, Seoul has the highest daily chance: under 5%. Next come Tokyo (Japan, under 5%).
GBIF citizen-science records
It is estimated from how often the Nordstromia japonica is recorded against all the insects logged in Seoul (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.
