Isturgia famula
In 3 days ~20% in a week ~30%
Isturgia famula is a moth of the family Geometridae. It is known from southern Europe. Adults are on wing from May to June and are on wing during the day on sunny days. The larvae feed on Cytisus, Genista, Sarothamnus, Spartium and Ulex species. It overwinters as a pupa in the ground. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sierra Nevada National Park | 🇪🇸 Spain | |
| 2 | Sierra de Guadarrama National Park | 🇪🇸 Spain | |
| 3 | Cévennes National Park | 🇫🇷 France |
With luck
About 10% of wildlife watchers report an Isturgia famula sighting in Sierra de Guadarrama National Park on a given day, based on 17 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 226th most-seen of the 597 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
April and May
In those months about 10% of wildlife watchers report an Isturgia famula in Sierra de Guadarrama National Park on a given day, against under 5% in June to March, the lowest months.
Between 4 and 7 pm
Across all the parks we cover, that three-hour window holds the most Isturgia famula sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 3 parks where we can rate Isturgia famula sightings, Sierra de Guadarrama National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Sierra Nevada National Park (Spain, about 10%).
GBIF citizen-science records
It is estimated from how often the Isturgia famula is recorded against all the insects logged in Sierra de Guadarrama National Park (17 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.
