Ancylis badiana
In 3 days ~10% in a week ~20%
Ancylis badiana is a moth of the family Tortricidae. It is found in the Palearctic realm. The wingspan is 12–16 mm.16–20 mm. The moth flies from late April to June and again from July to September in two generations, although this might be dependent on the location.
The larvae feed on Trifolium, Vicia, Lathyrus and Lythrum salicaria. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Birmingham | 🇬🇧 United Kingdom | |
| 2 | Manchester | 🇬🇧 United Kingdom | |
| 3 | Liverpool | 🇬🇧 United Kingdom | |
| 4 | Nizhny Novgorod | 🇷🇺 Russia | |
| 5 | Helsinki | 🇫🇮 Finland | |
| 6 | Saint Petersburg | 🇷🇺 Russia | |
| 7 | Moscow | 🇷🇺 Russia |
Rare
Under 5% of wildlife watchers report a Common Roller sighting in Saint Petersburg on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 248th 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.
June
In that month about 10% of wildlife watchers report a Common Roller in Saint Petersburg on a given day, against under 5% in July to May, the lowest months.
6th of 7
Of the 7 cities where we can rate Common Roller sightings, Saint Petersburg ranks 6th at under 5%. The best odds are in Birmingham (United Kingdom, about 10%), Manchester (United Kingdom, about 10%) and Liverpool (United Kingdom, about 10%).
GBIF citizen-science records
It is estimated from how often the Common Roller is recorded against all the insects logged in Saint Petersburg (10 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.
