Phyllonorycter coryli
In 3 days ~10% in a week ~30%
Phyllonorycter coryli, or nut leaf blister moth, is a moth of the family Gracillariidae. It is found most of Europe, except the Balkan Peninsula. The wingspan is 7–9 mm. The forewings are golden-ochreous, often fuscous-tinged, first costal spot dark-margined posteriorly. The larva is pale yellowish; dorsal line dark green; head pale brown.
The larvae feed on Corylus avellana, Corylus colurna, Corylus maxima and Ostrya carpinifolia. 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 | |
| 2 | London | 🇬🇧 United Kingdom | |
| 3 | Birmingham | 🇬🇧 United Kingdom | |
| 4 | Rotterdam [The Hague] | 🇳🇱 Netherlands | |
| 5 | Manchester | 🇬🇧 United Kingdom | |
| 6 | Paris | 🇫🇷 France |
Rare
Under 5% of wildlife watchers report a Nut Leaf Blister Moth sighting in Rotterdam [The Hague] on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 301st most-seen of the 355 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
July–August and October
In those months about 10% of wildlife watchers report a Nut Leaf Blister Moth in Rotterdam [The Hague] on a given day, against under 5% in September and November–June, the lowest months.
4th of 6
Of the 6 cities where we can rate Nut Leaf Blister Moth sightings, Rotterdam [The Hague] ranks 4th at under 5%. The best odds are in Liverpool (United Kingdom, about 10%), London (United Kingdom, about 10%) and Birmingham (United Kingdom, under 5%).
GBIF citizen-science records
It is estimated from how often the Nut Leaf Blister Moth is recorded against all the insects logged in Rotterdam [The Hague] (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.
