Anchomenus dorsalis
In 3 days ~10% in a week ~20%
Anchomenus dorsalis is a species of ground beetle in the subfamily Platyninae. It is found in Europe, North Africa, West and Central Asia. This beetle is bright green-blue and red-brown in color. The adults are 5.6–7.7 mm long, with females larger than males.
This beetle forms aggregations of several individuals, often with beetles of the genus Brachinus. When disturbed it releases a volatile that contains undecane. Its coloration may be aposematic mimicry of the similarly colored Brachinus beetles it lives with, which emit a much more powerful antipredator volatile mix. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Wadden Sea National Park | 🇩🇪 Germany |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Bucharest | 🇷🇴 Romania | |
| 2 | Vienna | 🇦🇹 Austria | |
| 3 | Nizhny Novgorod | 🇷🇺 Russia | |
| 4 | Moscow | 🇷🇺 Russia | |
| 5 | Prague | 🇨🇿 Czechia | |
| 6 | Saint Petersburg | 🇷🇺 Russia |
Rare
Under 5% of wildlife watchers report an Anchomenus dorsalis sighting in Nizhny Novgorod on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 351st most-seen of the 405 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.
August to October
In those months about 10% of wildlife watchers report an Anchomenus dorsalis in Nizhny Novgorod on a given day, against under 5% in November to July, the lowest months.
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Anchomenus dorsalis sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
3rd of 6
Of the 6 cities where we can rate Anchomenus dorsalis sightings, Nizhny Novgorod ranks 3rd at under 5%. The best odds are in Bucharest (Romania, about 10%) and Vienna (Austria, under 5%).
Same family: Carabidae
The closest relatives of the Anchomenus dorsalis that you can see in Nizhny Novgorod (family Carabidae, Ground Beetles) are Bronze Ground Beetle (about 10%), Platynus assimilis (about 10%) and Granulated Ground Beetle (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Anchomenus dorsalis is recorded against all the insects logged in Nizhny Novgorod (5 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.
