Chrysolina americana
In 3 days ~30% in a week ~50%
Chrysolina americana, common name rosemary beetle, is a species of beetle belonging to the family Chrysomelidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Monfragüe National Park | 🇪🇸 Spain | |
| 2 | Doñana National Park | 🇪🇸 Spain | |
| 3 | Sierra Nevada National Park | 🇪🇸 Spain | |
| 4 | Sierra de Guadarrama National Park | 🇪🇸 Spain | |
| 5 | Cévennes National Park | 🇫🇷 France | |
| 6 | Pyrénées National Park | 🇫🇷 France |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Liverpool | 🇬🇧 United Kingdom | |
| 2 | Manchester | 🇬🇧 United Kingdom | |
| 3 | London | 🇬🇧 United Kingdom | |
| 4 | Naples | 🇮🇹 Italy | |
| 5 | Leeds | 🇬🇧 United Kingdom | |
| 6 | Athens | 🇬🇷 Greece | |
| 7 | Birmingham | 🇬🇧 United Kingdom | |
| 8 | Paris | 🇫🇷 France | |
| 9 | Brussels | 🇧🇪 Belgium | |
| 10 | Lyon | 🇫🇷 France |
With luck
About 10% of wildlife watchers report a Rosemary Beetle sighting in Rotterdam [The Hague] on a given day, based on 32 verified sightings from GBIF citizen-science data. It is the 51st most-seen of the 355 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
May–June and September
In those months about 20% of wildlife watchers report a Rosemary Beetle in Rotterdam [The Hague] on a given day, against under 5% in July and December–March, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Rosemary Beetle sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
12th of 25
Of the 25 cities where we can rate Rosemary Beetle sightings, Rotterdam [The Hague] ranks 12th at about 10%. The best odds are in Liverpool (United Kingdom, about 20%), Manchester (United Kingdom, about 20%) and London (United Kingdom, about 20%).
GBIF citizen-science records
It is estimated from how often the Rosemary Beetle is recorded against all the insects logged in Rotterdam [The Hague] (32 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.
