Udea ferrugalis
In 3 days ~20% in a week ~30%
Udea ferrugalis, the rusty dot pearl, is a moth of the family Crambidae. The species was first described by Jacob Hübner in 1796. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Addo Elephant National Park | 🇿🇦 South Africa | |
| 2 | Pyrénées National Park | 🇫🇷 France | |
| 3 | Cévennes National Park | 🇫🇷 France | |
| 4 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 5 | Wadden Sea National Park | 🇩🇪 Germany | |
| 6 | Sierra de Guadarrama National Park | 🇪🇸 Spain | |
| 7 | Garden Route National Park | 🇿🇦 South Africa | |
| 8 | Kruger National Park | 🇿🇦 South Africa | |
| 9 | Table Mountain National Park | 🇿🇦 South Africa |
With luck
About 10% of wildlife watchers report a Rusty Dot Pearl sighting in Rotterdam [The Hague] on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 174th most-seen of the 355 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.
November
In that month about 20% of wildlife watchers report a Rusty Dot Pearl in Rotterdam [The Hague] on a given day, against under 5% in December to July, the lowest months.
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Rusty Dot Pearl 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.
18th of 30
Of the 30 cities where we can rate Rusty Dot Pearl sightings, Rotterdam [The Hague] ranks 18th at about 10%. The best odds are in Valencia (Spain, about 20%), Antananarivo (Madagascar, about 20%) and Turin (Italy, about 20%).
Same family: Crambidae
The closest relatives of the Rusty Dot Pearl that you can see in Rotterdam [The Hague] (family Crambidae, Crambid Snout Moths) are Box Tree Moth (about 10%), Pearl Veneer (about 10%) and Mint Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Rusty Dot Pearl is recorded against all the insects logged in Rotterdam [The Hague] (10 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.
