Yponomeuta cagnagellus
In 3 days ~10% in a week ~20%
Yponomeuta cagnagella, the spindle ermine, is a moth from the family Yponomeutidae, the ermine moths. The wingspan of the moth ranges from 19 to 26 millimetres. The head is white. Forewings are white; four longitudinal series of few black dots, first not reaching middle, second beginning near before middle, lowest including 4-7 dots; some additional black dots before termen; cilia white. Hindwings are dark grey. The larva is pale greyish-yellowish; spots black; head black.
Flight time ranges from the end of June to October. The moth is attracted to light. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Bavarian Forest National Park | 🇩🇪 Germany |
More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report a Spindle Ermine Moth sighting in Helsinki on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 665th most-seen of the 838 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
June
In that month about 10% of wildlife watchers report a Spindle Ermine Moth in Helsinki on a given day, against under 5% in July to May, the lowest months.
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most Spindle Ermine Moth sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
7th of 9
Of the 9 cities where we can rate Spindle Ermine Moth sightings, Helsinki ranks 7th at under 5%. The best odds are in Kharkiv (Ukraine, about 10%), Cologne (Germany, about 10%) and Berlin (Germany, about 10%).
Same genus: Yponomeuta
The closest relatives of the Spindle Ermine Moth that you can see in Helsinki (genus Yponomeuta, Small Ermine Moths) are Bird-Cherry Ermine (about 20%) and Cherry Ermine (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Spindle Ermine Moth is recorded against all the insects logged in Helsinki (6 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.
