Leucorrhinia rubicunda
In 3 days ~10% in a week ~20%
The northern white-faced darter (Leucorrhinia rubicunda) or the ruby whiteface is a dragonfly found in Europe as far east as the Altai Mountains. It is predominantly northern in its distribution, being one of the few dragonflies common north of the Arctic Circle. Its most southerly location is Northern Belgium and it is found through Germany, Poland, Czech Republic, Fennoscandia, Belarus, Ukraine and Russia. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Novosibirsk | 🇷🇺 Russia | |
| 2 | Helsinki | 🇫🇮 Finland | |
| 3 | Moscow | 🇷🇺 Russia | |
| 4 | Saint Petersburg | 🇷🇺 Russia |
Rare
Under 5% of wildlife watchers report a Ruby Whiteface sighting in Saint Petersburg on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 295th most-seen of the 448 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.
May
In that month about 10% of wildlife watchers report a Ruby Whiteface in Saint Petersburg on a given day, against under 5% in June to April, the lowest months.
4th of 4
Of the 4 cities where we can rate Ruby Whiteface sightings, Saint Petersburg ranks 4th at under 5%. The best odds are in Novosibirsk (Russia, about 10%), Helsinki (Finland, under 5%) and Moscow (Russia, under 5%).
Same family: Libellulidae
The closest relatives of the Ruby Whiteface that you can see in Saint Petersburg (family Libellulidae, Skimmers) are Vagrant Darter (about 10%), Black Meadowhawk (about 10%) and Yellow-Winged Darter (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Ruby Whiteface is recorded against all the insects logged in Saint Petersburg (8 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.
