Hygrobia hermanni
In 3 days ~10% in a week ~20%
Hygrobia hermanni, commonly known as the screech beetle, is a species of beetle in the family Hygrobiidae. It is found in Southern and Western Europe and North Africa in stagnant and muddy waters. It's able to make a strident grating noise, hence the name screech beetle. The sound is produced when the sharp edge of the 7th abdominal tergite is rubbed against a subapical median file on the elytral undersurface. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | London | 🇬🇧 United Kingdom |
Rare
Under 5% of wildlife watchers report a Squeak Beetle sighting in London on a given day, based on 9 verified sightings from GBIF citizen-science data. It is the 1109th most-seen of the 1504 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Squeak Beetle in London on a given day, so our monthly data shows no clear season.
Only London, in our data
London is the only city on Wallace's Line with enough records to rate Squeak Beetle sightings: under 5% of wildlife watchers there report one on a given day.
Same order: Coleoptera
The closest relatives of the Squeak Beetle that you can see in London (order Coleoptera, Beetles) are Asian Lady Beetle (about 50%), Seven-Spotted Lady Beetle (about 50%) and Thick-Legged Flower Beetle (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Squeak Beetle is recorded against all the insects logged in London (9 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.
