What are the chances of seeing a Gastrolepta anthracina in Essen?
Rare
Under 5% of wildlife watchers report a Gastrolepta anthracina sighting in Essen on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 381st most-seen of the 434 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.
When is the best time to see a Gastrolepta anthracina in Essen?
May
In that month about 10% of wildlife watchers report a Gastrolepta anthracina in Essen on a given day, against under 5% in June to April, the lowest months.
Where else can you see a Gastrolepta anthracina?
Only Essen, in our data
Essen is the only city on Wallace's Line with enough records to rate Gastrolepta anthracina sightings: under 5% of wildlife watchers there report one on a given day.
Which relatives of the Gastrolepta anthracina live in Essen?
Same family: Tachinidae
The closest relatives of the Gastrolepta anthracina that you can see in Essen (family Tachinidae, Tachinid Flies) are Common Tachinid (about 10%) and Red Spotted Parasite Fly (about 10%), with each one's daily chance of a sighting.
Where does the Gastrolepta anthracina sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Gastrolepta anthracina is recorded against all the insects logged in Essen (6 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.