Dyroderes umbraculatus
In 3 days ~10% in a week ~30%
Dyroderes umbraculatus is a shield bug belonging to the family Pentatomidae, subfamily Pentatominae. The species was first described by Johan Christian Fabricius in 1775. The genus Dyroderes has one living representative, but BioLib also records one fossil species: †Dyroderes laticollis Piton, 1940.
D. umbraculatus mainly lives on Galium species and is found in Austria, the British Isles, Bulgaria, France, Greece, Hungary, Italy, Portugal, Spain and Switzerland. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cévennes National Park | 🇫🇷 France | |
| 2 | Pyrénées National Park | 🇫🇷 France |
With luck
About 10% of wildlife watchers report a White-Shouldered Shieldbug sighting in Cévennes National Park on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 666th most-seen of the 996 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.
April, June and September
In those months about 10% of wildlife watchers report a White-Shouldered Shieldbug in Cévennes National Park on a given day, against under 5% in May, July–August and October–March, the lowest months.
Between 3 and 6 pm
Across all the parks we cover, that three-hour window holds the most White-Shouldered Shieldbug sightings with a recorded time, and about 9 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 White-Shouldered Shieldbug sightings, Cévennes National Park has the highest daily chance: about 10%. Next come Pyrénées National Park (France, under 5%).
Same family: Pentatomidae
The closest relatives of the White-Shouldered Shieldbug that you can see in Cévennes National Park (family Pentatomidae, Stink Bugs) are European Striped Shield Bug (about 30%), Black-Shouldered Shieldbug (about 20%) and Brown Marmorated Stink Bug (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the White-Shouldered Shieldbug is recorded against all the insects logged in Cévennes 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.
