Orthosia cerasi
In 3 days ~10% in a week ~30%
The common Quaker (Orthosia cerasi) is a moth of the family Noctuidae first described by Johan Christian Fabricius in 1775. Some authors prefer the synonym Orthosia stabilis (Denis & Schiffermüller, 1775). It is distributed throughout Europe and is also found in Turkey, Palestine (region), Transcaucasia, Russia and eastern Siberia.
This is a variable species, the ground colour of the forewings ranging from greyish to orangey brown, sometimes with a broad dark band. The most distinctive features are two large stigmata, each edged by a narrow pale line, with a similarly coloured subterminal line. The hindwings are drab grey or brown.
The wingspan is 34–40 mm. Forewing reddish grey, more or less dusted with dark: inner and outer lines blackish, indistinct; orbicular and reniform stigmata ringed with ochreous; submarginal line ochreous preceded by a fuscous or rufous shade; claviform mostly unmarked; veins towards termen pale: hindwing grey, the fringe paler. The species varies according to the amount of red present; — ab. pallida Tutt is pale grey, sometimes with an ochreous flush; — obliqua Vill. is darker grey with markings clearer; — suffusa... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Snowdonia National Park | 🇬🇧 United Kingdom | |
| 2 | Cairngorms National Park | 🇬🇧 United Kingdom | |
| 3 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 4 | Sierra de Guadarrama National Park | 🇪🇸 Spain | |
| 5 | Wadden Sea National Park | 🇩🇪 Germany | |
| 6 | Cévennes National Park | 🇫🇷 France | |
| 7 | Pyrénées National Park | 🇫🇷 France |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Liverpool | 🇬🇧 United Kingdom | |
| 2 | Birmingham | 🇬🇧 United Kingdom | |
| 3 | London | 🇬🇧 United Kingdom | |
| 4 | Porto | 🇵🇹 Portugal | |
| 5 | Manchester | 🇬🇧 United Kingdom | |
| 6 | Essen | 🇩🇪 Germany | |
| 7 | Budapest | 🇭🇺 Hungary | |
| 8 | Vienna | 🇦🇹 Austria | |
| 9 | Prague | 🇨🇿 Czechia | |
| 10 | Paris | 🇫🇷 France |
Rare
Under 5% of wildlife watchers report a Common Quaker sighting in Rotterdam [The Hague] on a given day, based on 5 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.
March
In that month about 20% of wildlife watchers report a Common Quaker in Rotterdam [The Hague] on a given day, against under 5% in May to February, the lowest months.
Between 10 pm and 1 am
Across all the parks we cover, that three-hour window holds the most Common Quaker sightings with a recorded time, and about half of them come between 6 pm and 6 am: it is seen both by day and at night.
13th of 18
Of the 18 cities where we can rate Common Quaker sightings, Rotterdam [The Hague] ranks 13th at under 5%. The best odds are in Liverpool (United Kingdom, about 20%), Birmingham (United Kingdom, about 10%) and London (United Kingdom, about 10%).
Same family: Noctuidae
The closest relatives of the Common Quaker that you can see in Rotterdam [The Hague] (family Noctuidae, Cutworm Moths and Allies) are Large Yellow Underwing (about 20%), Silver Υ (about 10%) and Lesser Yellow Underwing (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Common Quaker is recorded against all the insects logged in Rotterdam [The Hague] (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.
