Plagiodera versicolora
In 3 days ~20% in a week ~40%
Plagiodera versicolora is a species of leaf beetle (subfamily Chrysomelinae) in the genus Plagiodera. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Willow Leaf Beetle sighting in Rotterdam [The Hague] on a given day, based on 17 verified sightings from GBIF citizen-science data. It is the 119th 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 September
In those months about 10% of wildlife watchers report a Willow Leaf Beetle in Rotterdam [The Hague] on a given day, against under 5% in October to May, the lowest months.
Among the best
Of the 21 cities where we can rate Willow Leaf Beetle sightings, Rotterdam [The Hague] ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Sendai (Japan, about 10%).
Same family: Chrysomelidae
The closest relatives of the Willow Leaf Beetle that you can see in Rotterdam [The Hague] (family Chrysomelidae, Leaf Beetles) are Alder Leaf Beetle (about 20%), Green Dock Beetle (about 10%) and Rosemary Beetle (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Willow Leaf Beetle is recorded against all the insects logged in Rotterdam [The Hague] (17 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.
