Caloptilia semifascia
In 3 days ~20% in a week ~30%
Caloptilia semifascia is a moth of the family Gracillariidae. It is known from most of Europe, except the Iberian Peninsula, Ireland, Iceland and the western part of the Balkan Peninsula. The wingspan is 10–12 mm. Adults are on wing from late July to October and again, after hibernating, until May.
The larvae feed on Acer campestre. They mine the leaves of their host plant. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Liverpool | 🇬🇧 United Kingdom |
With luck
About 10% of wildlife watchers report a Maple Slender sighting in Liverpool on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 434th most-seen of the 632 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
March and July–August
In those months about 10% of wildlife watchers report a Maple Slender in Liverpool on a given day, against under 5% in April–June and September–February, the lowest months.
Only Liverpool, in our data
Liverpool is the only city on Wallace's Line with enough records to rate Maple Slender sightings: about 10% of wildlife watchers there report one on a given day.
Same genus: Caloptilia
The closest relatives of the Maple Slender that you can see in Liverpool (genus Caloptilia) are Small Red Slender (about 10%) and Willow Leafcone Caterpillar Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Maple Slender is recorded against all the insects logged in Liverpool (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.
