Acrolophus piger
In 3 days ~20% in a week ~40%
Acrolophus piger, the piger grass tubeworm moth, is a moth of the family Acrolophidae. It was described by Harrison Gray Dyar Jr. in 1900. It is found in North America, including Alabama, Florida, Mississippi, North Carolina, South Carolina and Texas.
The wingspan is about 16 mm. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Austin | 🇺🇸 United States | |
| 2 | Houston | 🇺🇸 United States | |
| 3 | Dallas | 🇺🇸 United States | |
| 4 | San Antonio | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Piger Grass Tubeworm Moth sighting in Houston on a given day, based on 170 verified sightings from GBIF citizen-science data. It is the 129th most-seen of the 1057 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
April–May and July–September
In those months about 10% of wildlife watchers report a Piger Grass Tubeworm Moth in Houston on a given day, against under 5% in June and October–March, the lowest months.
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Piger Grass Tubeworm Moth sightings with a recorded time, and about 8 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
2nd of 4
Of the 4 cities where we can rate Piger Grass Tubeworm Moth sightings, Houston ranks 2nd at about 10%. The best odds are in Austin (United States, about 20%).
Same genus: Acrolophus
The closest relatives of the Piger Grass Tubeworm Moth that you can see in Houston (genus Acrolophus, Grass Tubeworm Moths) are Heppner's Grass Tubeworm Moth (about 10%) and Frilly Grass Tubeworm Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Piger Grass Tubeworm Moth is recorded against all the insects logged in Houston (170 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.
