Anoplotrupes stercorosus
In 3 days ~30% in a week ~60%
Anoplotrupes stercorosus, the dor beetle, is a species of earth-boring dung beetle belonging to the family Geotrupidae, subfamily Geotrupinae. Varieties or forms that have been recognized at times include the following: A. stercorosus var. viridis (Dalla Torre, 1879)
This beetle is present throughout most of Europe and in Asia. It is also found in other regions of the world where cattle have been introduced, such as Australia. These beetles inhabit fresh areas of broadleaf forests, mainly beech forests; moist mixed forest; and fresh coniferous forests.
The adults of A. stercorosus grow up to 12–19 millimetres (0.47–0.75 in) long and therefore they do not reach the length of the very similar common dung beetle (Geotrupes stercorarius). The body colour is blue-black, while the underside is usually metallic blue. The elytra... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Białowieża National Park | 🇵🇱 Poland | |
| 2 | Cairngorms National Park | 🇬🇧 United Kingdom | |
| 3 | Gauja National Park | 🇱🇻 Latvia | |
| 4 | Ordesa y Monte Perdido National Park | 🇪🇸 Spain | |
| 5 | Snowdonia National Park | 🇬🇧 United Kingdom | |
| 6 | Tatra National Park | 🇸🇰 Slovakia | |
| 7 | Aigüestortes National Park | 🇪🇸 Spain | |
| 8 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 9 | Triglav National Park | 🇸🇮 Slovenia | |
| 10 | Pyrénées National Park | 🇫🇷 France | |
| 11 | Plitvice Lakes National Park | 🇭🇷 Croatia | |
| 12 | Picos de Europa National Park | 🇪🇸 Spain | |
| 13 | Hohe Tauern National Park | 🇦🇹 Austria | |
| 14 | Cévennes National Park | 🇫🇷 France | |
| 15 | Biebrza National Park | 🇵🇱 Poland | |
| 16 | Ecrins National Park | 🇫🇷 France | |
| 17 | Mercantour National Park | 🇫🇷 France | |
| 18 | Wadden Sea National Park | 🇩🇪 Germany | |
| 19 | Sierra de Guadarrama National Park | 🇪🇸 Spain |
With luck
About 10% of wildlife watchers report a Woodland Dor Beetle sighting in Helsinki on a given day, based on 105 verified sightings from GBIF citizen-science data. It is the 39th most-seen of the 838 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
September
In that month about 30% of wildlife watchers report a Woodland Dor Beetle in Helsinki on a given day, against under 5% in November to March, the lowest months.
Between 1 and 4 pm
Across all the parks we cover, that three-hour window holds the most Woodland Dor Beetle sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 17 cities where we can rate Woodland Dor Beetle sightings, Helsinki ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Kyiv (Ukraine, about 10%).
Same order: Coleoptera
The closest relatives of the Woodland Dor Beetle that you can see in Helsinki (order Coleoptera, Beetles) are Seven-Spotted Lady Beetle (about 30%), Alder Leaf Beetle (about 20%) and Common Red Soldier Beetle (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Woodland Dor Beetle is recorded against all the insects logged in Helsinki (105 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.
