Crambus perlellus
In 3 days ~20% in a week ~40%
Crambus perlella is a species of moth of the family Crambidae. It is found in Europe and east across the Palearctic. The wingspan is 19–28 mm. The face is rather prominent. Forewings very shining whitish, often ochreous-tinged; veins and dorsal area often more or less broadly suffused with dark grey; cilia shining white. Hindwings are grey, sometimes much suffused with ochreous-whitish, sometimes posteriorly dark grey. The larva is light grey-greenish or greyish-ochreous; dorsal line darker; spots brown; head pale yellow-brown, darker-marked. See also Parsons et al.
The moth flies from July to August depending on the location. The larvae feed on various grasses. Adults feed on the nectar of Leucanthemum species. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 2 | Snowdonia National Park | 🇬🇧 United Kingdom | |
| 3 | Wadden Sea National Park | 🇩🇪 Germany |
With luck
About 10% of wildlife watchers report a Yellow Satin Veneer sighting in Rotterdam [The Hague] on a given day, based on 11 verified sightings from GBIF citizen-science data. It is the 153rd 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 40%, if each day is a fresh chance.
June to August
In those months about 10% of wildlife watchers report a Yellow Satin Veneer in Rotterdam [The Hague] on a given day, against under 5% in September to May, the lowest months.
Between 6 and 9 am
Across all the parks we cover, that three-hour window holds the most Yellow Satin Veneer sightings with a recorded time, and about half of them come between 6 am and 6 pm: it is seen both by day and at night.
Among the best
Of the 8 cities where we can rate Yellow Satin Veneer sightings, Rotterdam [The Hague] ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Helsinki (Finland, about 10%) and London (United Kingdom, about 10%).
GBIF citizen-science records
It is estimated from how often the Yellow Satin Veneer is recorded against all the insects logged in Rotterdam [The Hague] (11 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.
