Acrolophus popeanella
In 3 days ~10% in a week ~30%
Acrolophus popeanella (Clemens' grass tubeworm moth) is a moth of the family Acrolophidae. It was described by James Brackenridge Clemens in 1859. 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 | Baltimore | 🇺🇸 United States | |
| 2 | Washington | 🇺🇸 United States | |
| 3 | Dallas | 🇺🇸 United States | |
| 4 | Chicago | 🇺🇸 United States | |
| 5 | Philadelphia | 🇺🇸 United States | |
| 6 | Houston | 🇺🇸 United States | |
| 7 | Austin | 🇺🇸 United States | |
| 8 | Boston | 🇺🇸 United States | |
| 9 | New York City | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Clemens' Grass Tubeworm Moth sighting in Philadelphia on a given day, based on 33 verified sightings from GBIF citizen-science data. It is the 171st 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.
July and August
In those months about 10% of wildlife watchers report a Clemens' Grass Tubeworm Moth in Philadelphia on a given day, against under 5% in September to June, the lowest months.
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Clemens' Grass Tubeworm Moth sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is seen both by day and at night.
Among the best
Of the 9 cities where we can rate Clemens' Grass Tubeworm Moth sightings, Philadelphia ranks 5th at about 10%, level with the leaders once rounded. The best odds are in Baltimore (United States, about 10%), Washington (United States, about 10%) and Dallas (United States, about 10%).
GBIF citizen-science records
It is estimated from how often the Clemens' Grass Tubeworm Moth is recorded against all the insects logged in Philadelphia (33 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.
