Dendroleon obsoletus
In 3 days ~10% in a week ~20%
Dendroleon obsoletus, the spotted-winged antlion, is a species of antlion in the family Myrmeleontidae. It is found in North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States | |
| 2 | Great Smoky Mountains National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Philadelphia | 🇺🇸 United States | |
| 2 | Baltimore | 🇺🇸 United States | |
| 3 | Washington | 🇺🇸 United States | |
| 4 | New York City | 🇺🇸 United States | |
| 5 | Toronto | 🇨🇦 Canada |
Rare
Under 5% of wildlife watchers report an Eastern Spotted-Winged Antlion sighting in Philadelphia on a given day, based on 12 verified sightings from GBIF citizen-science data. It is the 352nd 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 20%, if each day is a fresh chance.
July
In that month about 10% of wildlife watchers report an Eastern Spotted-Winged Antlion in Philadelphia on a given day, against under 5% in August to June, the lowest months.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Eastern Spotted-Winged Antlion sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Yes
Of the 5 cities where we can rate Eastern Spotted-Winged Antlion sightings, Philadelphia has the highest daily chance: under 5%. Next come Baltimore (United States, under 5%) and Washington (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Eastern Spotted-Winged Antlion is recorded against all the insects logged in Philadelphia (12 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.
