Nyctobrya muralis
In 3 days ~10% in a week ~30%
The marbled green (Cryphia muralis) is a moth of the family Noctuidae. The species was first described by Johann Reinhold Forster in 1771. It is found in Europe. Its wings are white with several shades of green. However, the green fades. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sierra Nevada National Park | 🇪🇸 Spain | |
| 2 | Sierra de Guadarrama National Park | 🇪🇸 Spain | |
| 3 | Cévennes National Park | 🇫🇷 France | |
| 4 | Wadden Sea National Park | 🇩🇪 Germany | |
| 5 | Pyrénées National Park | 🇫🇷 France |
Rare
Under 5% of wildlife watchers report a Marbled Green sighting in Sierra de Guadarrama National Park on a given day, based on 11 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 300th most-seen of the 597 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 to September
In those months about 10% of wildlife watchers report a Marbled Green in Sierra de Guadarrama National Park on a given day, against under 5% in October to June, the lowest months. Those are among Sierra de Guadarrama National Park's driest months, with about 30 mm of rain a month against 110 mm in November.
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Marbled Green 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.
2nd of 5
Of the 5 parks where we can rate Marbled Green sightings, Sierra de Guadarrama National Park ranks 2nd at under 5%. The best odds are in Sierra Nevada National Park (Spain, about 10%).
Same family: Noctuidae
The closest relatives of the Marbled Green that you can see in Sierra de Guadarrama National Park (family Noctuidae, Cutworm Moths and Allies) are Silver Υ (about 10%), Turnip Moth (about 10%) and Common Quaker (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Marbled Green is recorded against all the insects logged in Sierra de Guadarrama National Park (11 verified sightings from 2019 to 2026), 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.
