Hydaticus grammicus
In 3 days ~10% in a week ~20%
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report a Hydaticus grammicus 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.
June and July
In those months about 10% of wildlife watchers report a Hydaticus grammicus in Seoul on a given day, against under 5% in August to May, the lowest months. Those are among Seoul's wettest months, with about 240 mm of rain a month against 20 mm in January.
Among the best
Of the 3 cities where we can rate Hydaticus grammicus sightings, Seoul ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Beijing (China, under 5%).
GBIF citizen-science records
It is estimated from how often the Hydaticus grammicus 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.
