Alcis repandata
In 3 days ~10% in a week ~30%
The mottled beauty (Alcis repandata) is a moth of the family Geometridae. The species was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae. Subspecies and forms include: Alcis repandata muraria
Alcis repandata repandata Alcis repandata sodorensium Alcis repandata f. conversaria Alcis repandata f. nigricata Alcis repandata is a common species of Europe and the Near East, extending throughout Europe to the Urals, in the south over the Mediterranean, Asia Minor, the Caucasus to Kazakhstan and in the north to the Arctic Circle.
The species inhabits deciduous, mixed and coniferous forests, bushy heaths, meadows, marshes and settlement areas. In the Alps occurs up to 1800 meters. Alcis repandata has a wingspan reaching 30–45 mm. This is an extremely variable species, typically being buff or grey with black bars along the costa, but often with a broad blackish band across the forewings.
Meyrick describes it - The head is grey mixed with whitish and fuscous. The forewings are light ochreous-brown, sprinkled with black and sometimes with whitish. The first line is curved, the median... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Vanoise National Park | 🇫🇷 France | |
| 2 | Aigüestortes National Park | 🇪🇸 Spain | |
| 3 | Cairngorms National Park | 🇬🇧 United Kingdom | |
| 4 | Mercantour National Park | 🇫🇷 France | |
| 5 | Snowdonia National Park | 🇬🇧 United Kingdom | |
| 6 | Hohe Tauern National Park | 🇦🇹 Austria | |
| 7 | Triglav National Park | 🇸🇮 Slovenia | |
| 8 | Ecrins National Park | 🇫🇷 France | |
| 9 | Tatra National Park | 🇸🇰 Slovakia | |
| 10 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 11 | Pyrénées National Park | 🇫🇷 France | |
| 12 | Cévennes National Park | 🇫🇷 France |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Liverpool | 🇬🇧 United Kingdom | |
| 2 | Manchester | 🇬🇧 United Kingdom | |
| 3 | Helsinki | 🇫🇮 Finland | |
| 4 | London | 🇬🇧 United Kingdom | |
| 5 | Birmingham | 🇬🇧 United Kingdom | |
| 6 | Nizhny Novgorod | 🇷🇺 Russia | |
| 7 | Moscow | 🇷🇺 Russia |
With luck
About 10% of wildlife watchers report a Mottled Beauty sighting in Birmingham on a given day, based on 15 verified sightings from GBIF citizen-science data. It is the 406th most-seen of the 811 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.
June
In that month about 10% of wildlife watchers report a Mottled Beauty in Birmingham on a given day, against under 5% in July to May, the lowest months.
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Mottled Beauty sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is seen both by day and at night.
Among the best
Of the 7 cities where we can rate Mottled Beauty sightings, Birmingham ranks 5th at about 10%, level with the leaders once rounded. The best odds are in Liverpool (United Kingdom, about 10%), Manchester (United Kingdom, about 10%) and Helsinki (Finland, about 10%).
Same family: Geometridae
The closest relatives of the Mottled Beauty that you can see in Birmingham (family Geometridae, Geometer Moths) are Riband Wave (about 20%), Willow Beauty (about 20%) and Yellow Shell Moth (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Mottled Beauty is recorded against all the insects logged in Birmingham (15 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.
