Strophosoma melanogrammum
In 3 days ~10% in a week ~30%
Strophosoma melanogrammum is a species of weevil that is native to the European Continent, but has been introduced into North America as well. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Acadia National Park | 🇺🇸 United States | |
| 2 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 3 | Cairngorms National Park | 🇬🇧 United Kingdom | |
| 4 | Wadden Sea National Park | 🇩🇪 Germany | |
| 5 | Pyrénées National Park | 🇫🇷 France |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Hamburg | 🇩🇪 Germany | |
| 2 | London | 🇬🇧 United Kingdom | |
| 3 | Stockholm | 🇸🇪 Sweden | |
| 4 | Rotterdam [The Hague] | 🇳🇱 Netherlands | |
| 5 | Vancouver | 🇨🇦 Canada | |
| 6 | Berlin | 🇩🇪 Germany | |
| 7 | Birmingham | 🇬🇧 United Kingdom | |
| 8 | Seattle | 🇺🇸 United States | |
| 9 | Boston | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Nut Leaf Weevil sighting in Rotterdam [The Hague] on a given day, based on 11 verified sightings from GBIF citizen-science data. It is the 301st most-seen of the 355 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
April and May
In those months about 10% of wildlife watchers report a Nut Leaf Weevil in Rotterdam [The Hague] on a given day, against under 5% in June to March, the lowest months.
Between 3 and 6 pm
Across all the parks we cover, that three-hour window holds the most Nut Leaf Weevil 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.
4th of 9
Of the 9 cities where we can rate Nut Leaf Weevil sightings, Rotterdam [The Hague] ranks 4th at under 5%. The best odds are in Hamburg (Germany, about 10%), London (United Kingdom, about 10%) and Stockholm (Sweden, about 10%).
Same family: Curculionidae
The closest relatives of the Nut Leaf Weevil that you can see in Rotterdam [The Hague] (family Curculionidae, True Weevils) are Green Immigrant Leaf Weevil (about 10%), Black Vine Weevil (about 10%) and Nettle Weevil (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Nut Leaf Weevil 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.
