What are the chances of seeing a Delta pyriforme in Chennai?
With luck
About 10% of wildlife watchers report a Delta pyriforme sighting in Chennai on a given day, based on 30 verified sightings from GBIF citizen-science data. It is the 97th most-seen of the 376 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
When is the best time to see a Delta pyriforme in Chennai?
August
In that month about 20% of wildlife watchers report a Delta pyriforme in Chennai on a given day, against under 5% in April and May, the lowest months.
Is Chennai the best place to see a Delta pyriforme?
12th of 27
Of the 27 cities where we can rate Delta pyriforme sightings, Chennai ranks 12th at about 10%. The best odds are in Xiuying District (China, about 20%), Hanoi (Vietnam, about 20%) and Hyderabad (India, about 10%).
Where does the Delta pyriforme sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Delta pyriforme is recorded against all the insects logged in Chennai (30 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.