Valenzuela flavidus
In 3 days ~20% in a week ~40%
Valenzuela flavidus is a species of Psocoptera from Caeciliusidae family that can be found in the United Kingdom, and sometimes Ireland. They are also common in Austria, Azores, Belgium, Bulgaria, Canary Islands, Croatia, Denmark, Finland, France, Germany, Greece, Hungary, Italy, Latvia, Luxembourg, Norway, Poland, Portugal, Romania, Spain, Sweden, Switzerland, and the Netherlands. It is also widespread in Near East. The species are yellowish-black coloured. Wikipedia →
| # | Park | Country | Daily sighting probability |
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More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Yellow Barklouse sighting in London on a given day, based on 78 verified sightings from GBIF citizen-science data. It is the 394th most-seen of the 1504 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.
November
In that month about 20% of wildlife watchers report a Yellow Barklouse in London on a given day, against under 5% in February to July, the lowest months.
Among the best
Of the 21 cities where we can rate Yellow Barklouse sightings, London ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Hamburg (Germany, about 10%) and Leeds (United Kingdom, about 10%).
GBIF citizen-science records
It is estimated from how often the Yellow Barklouse is recorded against all the insects logged in London (78 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.
