Nepa cinerea
In 3 days ~20% in a week ~50%
Nepa cinerea is a species of water scorpion (Nepidae), found in most of Europe, including the British Isles, as well as North Africa and southern and northern Asia. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cévennes National Park | 🇫🇷 France | |
| 2 | Monfragüe National Park | 🇪🇸 Spain | |
| 3 | Fertő-Hanság National Park | 🇭🇺 Hungary | |
| 4 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 5 | Pyrénées National Park | 🇫🇷 France | |
| 6 | Wadden Sea National Park | 🇩🇪 Germany | |
| 7 | Sierra de Guadarrama National Park | 🇪🇸 Spain |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | London | 🇬🇧 United Kingdom | |
| 2 | Birmingham | 🇬🇧 United Kingdom | |
| 3 | Copenhagen | 🇩🇰 Denmark | |
| 4 | Manchester | 🇬🇧 United Kingdom | |
| 5 | Cologne | 🇩🇪 Germany | |
| 6 | Minsk | 🇧🇾 Belarus | |
| 7 | Madrid | 🇪🇸 Spain | |
| 8 | Essen | 🇩🇪 Germany | |
| 9 | Prague | 🇨🇿 Czechia | |
| 10 | Kyiv | 🇺🇦 Ukraine |
With luck
About 10% of wildlife watchers report a Eurasian Water Scorpion sighting in Fertő-Hanság National Park on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 116th most-seen of the 243 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
June
In that month about 20% of wildlife watchers report a Eurasian Water Scorpion in Fertő-Hanság National Park on a given day, against under 5% in July–August and October–April, the lowest months.
Between noon and 3 pm
Across all the parks we cover, that three-hour window holds the most Eurasian Water Scorpion sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Among the best
Of the 7 parks where we can rate Eurasian Water Scorpion sightings, Fertő-Hanság National Park ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Cévennes National Park (France, about 10%) and Monfragüe National Park (Spain, about 10%).
Same order: Hemiptera
The closest relatives of the Eurasian Water Scorpion that you can see in Fertő-Hanság National Park (order Hemiptera, True Bugs, Hoppers, Aphids, and allies) are European Firebug (about 20%), European Striped Shield Bug (about 20%) and Sloe Bug (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Eurasian Water Scorpion is recorded against all the insects logged in Fertő-Hanság National Park (8 verified sightings from 2019 to 2026), 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.
