What are the chances of seeing a Nephrotoma suturalis in Philadelphia?
Rare
Under 5% of wildlife watchers report a Nephrotoma suturalis sighting in Philadelphia on a given day, based on 20 verified sightings from GBIF citizen-science data. It is the 255th most-seen of the 632 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
When is the best time to see a Nephrotoma suturalis in Philadelphia?
April and August
In those months about 10% of wildlife watchers report a Nephrotoma suturalis in Philadelphia on a given day, against under 5% in May–July and September–March, the lowest months.
Is Philadelphia the best place to see a Nephrotoma suturalis?
2nd of 7
Of the 7 cities where we can rate Nephrotoma suturalis sightings, Philadelphia ranks 2nd at under 5%. The best odds are in Miami (United States, about 10%).
Where does the Nephrotoma suturalis sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Nephrotoma suturalis is recorded against all the insects logged in Philadelphia (20 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.