Evergestis extimalis
In 3 days ~20% in a week ~40%
Evergestis extimalis is a species of moth of the family Crambidae. It is found in the Palearctic. The wingspan is 27–31 mm. The forewings are pale ochreous-yellow, darker terminally; lines and discal spot hardly darker, marked with a few fuscous dots; a brown terminal suffusion, more or less strongly dilated towards middle;cilia fuscous. Hindwings prismatic yellow -whitish; termen yellower, brownish-tinged. The larva is pale yellow; dorsal line darker; lateral pale purple; spots on lateral line black; head black.
The moth flies from June to September depending on the location. The larvae feed on Brassicaceae species preferring the seed-heads. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Wadden Sea National Park | 🇩🇪 Germany |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Novosibirsk | 🇷🇺 Russia | |
| 2 | Amsterdam | 🇳🇱 Netherlands | |
| 3 | Prague | 🇨🇿 Czechia | |
| 4 | Berlin | 🇩🇪 Germany | |
| 5 | Copenhagen | 🇩🇰 Denmark | |
| 6 | Saint Petersburg | 🇷🇺 Russia | |
| 7 | Moscow | 🇷🇺 Russia |
With luck
About 10% of wildlife watchers report a Marbled Yellow Pearl sighting in Novosibirsk on a given day, based on 13 verified sightings from GBIF citizen-science data. It is the 87th most-seen of the 216 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
July
In that month about 20% of wildlife watchers report a Marbled Yellow Pearl in Novosibirsk on a given day, against under 5% in August to May, the lowest months. That is one of Novosibirsk's wettest months, with about 75 mm of rain against 25 mm in February.
Between 5 and 8 am
Across all the parks we cover, that three-hour window holds the most Marbled Yellow Pearl sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 7 cities where we can rate Marbled Yellow Pearl sightings, Novosibirsk has the highest daily chance: about 10%. Next come Amsterdam (Netherlands, about 10%) and Prague (Czechia, under 5%).
Same family: Crambidae
The closest relatives of the Marbled Yellow Pearl that you can see in Novosibirsk (family Crambidae, Crambid Snout Moths) are Beet Webworm Moth (about 10%), Lesser Pearl (about 10%) and Garden Grass-Veneer (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Marbled Yellow Pearl is recorded against all the insects logged in Novosibirsk (13 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.
