Acrolophus arcanella
In 3 days ~10% in a week ~20%
Acrolophus arcanella (grass tubeworm moth) is a moth of the family Acrolophidae. It is found in eastern North America. The wingspan is about 25 mm. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Dallas | 🇺🇸 United States | |
| 2 | Baltimore | 🇺🇸 United States | |
| 3 | Chicago | 🇺🇸 United States | |
| 4 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 5 | Philadelphia | 🇺🇸 United States | |
| 6 | Washington | 🇺🇸 United States | |
| 7 | New York City | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report an Arcane Grass Tubeworm Moth sighting in Chicago on a given day, based on 61 verified sightings from GBIF citizen-science data. It is the 293rd most-seen of the 978 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.
June and July
In those months about 10% of wildlife watchers report an Arcane Grass Tubeworm Moth in Chicago on a given day, against under 5% in August to May, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Arcane Grass Tubeworm Moth sightings with a recorded time, and about 9 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
Among the best
Of the 7 cities where we can rate Arcane Grass Tubeworm Moth sightings, Chicago ranks 3rd at under 5%, level with the leaders once rounded. The best odds are in Dallas (United States, under 5%) and Baltimore (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Arcane Grass Tubeworm Moth is recorded against all the insects logged in Chicago (61 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.
