Dilophus febrilis
In 3 days ~10% in a week ~20%
Dilophus febrilis is a species of fever fly in the family Bibionidae. It is found in the Palearctic. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Wadden Sea National Park | 🇩🇪 Germany |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Helsinki | 🇫🇮 Finland | |
| 2 | Liverpool | 🇬🇧 United Kingdom | |
| 3 | Manchester | 🇬🇧 United Kingdom | |
| 4 | Hamburg | 🇩🇪 Germany | |
| 5 | Paris | 🇫🇷 France | |
| 6 | Berlin | 🇩🇪 Germany | |
| 7 | Vienna | 🇦🇹 Austria | |
| 8 | London | 🇬🇧 United Kingdom | |
| 9 | Saint Petersburg | 🇷🇺 Russia |
Rare
Under 5% of wildlife watchers report a Fever Fly sighting in London on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 1153rd 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 Fever Fly in London on a given day, so our monthly data shows no clear season.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Fever Fly sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
8th of 9
Of the 9 cities where we can rate Fever Fly sightings, London ranks 8th at under 5%. The best odds are in Helsinki (Finland, about 10%), Liverpool (United Kingdom, under 5%) and Manchester (United Kingdom, under 5%).
GBIF citizen-science records
It is estimated from how often the Fever Fly is recorded against all the insects logged in London (8 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.
