Aplocera efformata
In 3 days ~10% in a week ~20%
Aplocera efformata, the lesser treble-bar, is a moth of the family Geometridae. The species was first described by Achille Guenée in 1858. It is known from Europe, Morocco and Anatolia. It has a wingspan of 35–41 mm. Its wings are shades of brown and gray with three cross-lines (submedial, medial, and postmedial) with faint cross bars. 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 Lesser Treble-Bar sighting in London on a given day, based on 14 verified sightings from GBIF citizen-science data. It is the 895th 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.
August and September
In those months about 10% of wildlife watchers report a Lesser Treble-Bar in London on a given day, against under 5% in October to July, the lowest months.
Only London, in our data
London is the only city on Wallace's Line with enough records to rate Lesser Treble-Bar sightings: under 5% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Lesser Treble-Bar is recorded against all the insects logged in London (14 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.
