Lithosia quadra
In 3 days ~20% in a week ~50%
Lithosia quadra, the four-spotted footman, is a moth of the family Erebidae. It is found in southern and central Europe then east across the Palearctic to the Amur River and Japan. It is also found in the south of Great Britain and Scandinavia.
The wingspan is 35–55 mm. The males are smaller than the females. There is strong sexual dimorphism in the imago, the males have gray wings with a yellow wing joint and a blue-black stripe at the front of the outer rim of the forewing. The females have yellow wings with two blue-black dots. It is the biggest species of the subfamily Lithosiinae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Aigüestortes National Park | 🇪🇸 Spain | |
| 2 | Ordesa y Monte Perdido National Park | 🇪🇸 Spain | |
| 3 | Cévennes National Park | 🇫🇷 France | |
| 4 | Pyrénées National Park | 🇫🇷 France | |
| 5 | Triglav National Park | 🇸🇮 Slovenia | |
| 6 | Vanoise National Park | 🇫🇷 France | |
| 7 | Mercantour National Park | 🇫🇷 France | |
| 8 | Bavarian Forest National Park | 🇩🇪 Germany |
With luck
About 10% of wildlife watchers report a Four-Spotted Footman sighting in Porto on a given day, based on 57 verified sightings from GBIF citizen-science data. It is the 104th most-seen of the 498 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
September and October
In those months about 20% of wildlife watchers report a Four-Spotted Footman in Porto on a given day, against under 5% in November to May, the lowest months.
Between 10 pm and 1 am
Across all the parks we cover, that three-hour window holds the most Four-Spotted Footman sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
2nd of 14
Of the 14 cities where we can rate Four-Spotted Footman sightings, Porto ranks 2nd at about 10%. The best odds are in Kharkiv (Ukraine, about 30%).
Same family: Erebidae
The closest relatives of the Four-Spotted Footman that you can see in Porto (family Erebidae, Underwing, Tiger, Tussock, and Allied Moths) are Swan Moth (about 20%), Buff Footman (about 20%) and Ruby Tiger Moth (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Four-Spotted Footman is recorded against all the insects logged in Porto (57 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.
