Pteronemobius heydenii
In 3 days ~30% in a week ~50%
Pteronemobius heydenii, the marsh cricket, is a cricket in the family Trigonidiidae. It is found in Europe. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Fertő-Hanság National Park | 🇭🇺 Hungary | |
| 2 | Pyrénées National Park | 🇫🇷 France |
With luck
About 10% of wildlife watchers report a Marsh-Cricket sighting in Fertő-Hanság National Park on a given day, based on 10 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 89th most-seen of the 243 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
June and September
In those months about 20% of wildlife watchers report a Marsh-Cricket in Fertő-Hanság National Park on a given day, against under 5% in July–August and October–April, the lowest months.
Between 1 and 4 pm
Across all the parks we cover, that three-hour window holds the most Marsh-Cricket sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 2 parks where we can rate Marsh-Cricket sightings, Fertő-Hanság National Park has the highest daily chance: about 10%. Next come Pyrénées National Park (France, under 5%).
Same order: Orthoptera
The closest relatives of the Marsh-Cricket that you can see in Fertő-Hanság National Park (order Orthoptera, Grasshoppers, Crickets, and Katydids) are Great Green Bush-Cricket (about 20%), Striped Bush-Cricket (about 20%) and Italian Locust (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Marsh-Cricket is recorded against all the insects logged in Fertő-Hanság National Park (10 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.
