Zelleria hepariella
In 3 days ~10% in a week ~20%
Zelleria hepariella is a moth of the family Yponomeutidae. It is found in Europe and northern Asia Minor. The wingspan is 12–14 mm. The head varies from reddish-brown to ochreous-whitish. Forewings are red-brown, sometimes suffusedly irrorated with dark fuscous, towards dorsum sometimes obscurely paler; second discal stigma sometimes obscurely dark fuscous. Hindwings dark grey, lighter anteriorly. The larva is light green; dorsal line dark green; head yellowish-brown.
Adults are on wing in July or August depending on the location. The larvae feed on Fraxinus excelsior, Lonicera and Artemisia. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | London | 🇬🇧 United Kingdom |
Rare
Under 5% of wildlife watchers report a Brown Ash Ermel sighting in London on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 1394th most-seen of the 1504 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 Brown Ash Ermel in London on a given day, so our monthly data shows no clear season.
Only London, in our data
London is the only city on Wallace's Line with enough records to rate Brown Ash Ermel sightings: under 5% of wildlife watchers there report one on a given day.
Same family: Yponomeutidae
The closest relatives of the Brown Ash Ermel that you can see in London (family Yponomeutidae, Ermine Moths) are Bird-Cherry Ermine (about 10%), Hawthorn Moth (about 10%) and Spindle Ermine Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Brown Ash Ermel is recorded against all the insects logged in London (5 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.
