What are the chances of seeing an Episyrphus trisectus in Cape Town?
With luck
About 10% of wildlife watchers report an Episyrphus trisectus sighting in Cape Town on a given day, based on 96 verified sightings from GBIF citizen-science data. It is the 53rd most-seen of the 311 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
When is the best time to see an Episyrphus trisectus in Cape Town?
May to November
In those months about 10% of wildlife watchers report an Episyrphus trisectus in Cape Town on a given day, against under 5% in December to April, the lowest months.
What time of day is best to see an Episyrphus trisectus?
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Episyrphus trisectus sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Is Cape Town the best place to see an Episyrphus trisectus?
Among the best
Of the 4 cities where we can rate Episyrphus trisectus sightings, Cape Town ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Pretoria (South Africa, about 10%) and Johannesburg (South Africa, about 10%).
Which relatives of the Episyrphus trisectus live in Cape Town?
Same family: Syrphidae
The closest relatives of the Episyrphus trisectus that you can see in Cape Town (family Syrphidae, Hover Flies) are Common Drone Fly (about 10%), Stripe-Eyed Lagoon Fly (about 10%) and Eristalinus barclayi (about 10%), with each one's daily chance of a sighting.
Where does the Episyrphus trisectus sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Episyrphus trisectus is recorded against all the insects logged in Cape Town (96 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.