Hedya salicella
In 3 days ~10% in a week ~20%
Hedya salicella is a moth of the family Tortricidae. It is found in Europe. The wingspan is 19–24 mm. The moth flies from June to October. [1]. The larvae feed on large holes and willow and poplar. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Liverpool | 🇬🇧 United Kingdom | |
| 2 | Kyiv | 🇺🇦 Ukraine | |
| 3 | Berlin | 🇩🇪 Germany | |
| 4 | London | 🇬🇧 United Kingdom | |
| 5 | Saint Petersburg | 🇷🇺 Russia |
Rare
Under 5% of wildlife watchers report a White-Backed Marble sighting in Saint Petersburg on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 377th 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.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a White-Backed Marble in Saint Petersburg on a given day, so our monthly data shows no clear season.
5th of 5
Of the 5 cities where we can rate White-Backed Marble sightings, Saint Petersburg ranks 5th at under 5%. The best odds are in Liverpool (United Kingdom, about 10%), Kyiv (Ukraine, under 5%) and Berlin (Germany, under 5%).
GBIF citizen-science records
It is estimated from how often the White-Backed Marble is recorded against all the insects logged in Saint Petersburg (6 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.
