Achyra rantalis
In 3 days ~20% in a week ~50%
Achyra rantalis, the garden webworm, is a moth of the family Crambidae described by Achille Guenée in 1854. It is found in North America, where it has been recorded from Maine to southern Quebec and Ontario, south to Florida and Mexico. It has also been recorded in Iowa, Colorado, California, and the West Indies. Its habitat consists of fields and gardens.
The wingspan is 17–23 millimetres (0.67–0.91 in). There may be up to four generations per year in the south. The larvae feed on the leaves of various low-growing plants, including alfalfa, beans, clover, corn, cotton, peas and strawberries. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Padre Island National Seashore | 🇺🇸 United States | |
| 2 | Big Bend National Park | 🇺🇸 United States | |
| 3 | Joshua Tree National Park | 🇺🇸 United States | |
| 4 | Saguaro National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Austin | 🇺🇸 United States | |
| 2 | Dallas | 🇺🇸 United States | |
| 3 | San Antonio | 🇺🇸 United States | |
| 4 | Ciudad Juárez | 🇲🇽 México | |
| 5 | Houston | 🇺🇸 United States | |
| 6 | Detroit | 🇺🇸 United States | |
| 7 | Boston | 🇺🇸 United States | |
| 8 | Toronto | 🇨🇦 Canada | |
| 9 | Mesa | 🇺🇸 United States | |
| 10 | Torreón | 🇲🇽 México |
With luck
About 10% of wildlife watchers report a Garden Webworm Moth sighting in Padre Island National Seashore on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 44th most-seen of the 74 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
April
In that month about 20% of wildlife watchers report a Garden Webworm Moth in Padre Island National Seashore on a given day, against under 5% in June to January, the lowest months.
Between 10 pm and 1 am
Across all the parks we cover, that three-hour window holds the most Garden Webworm Moth sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Yes
Of the 4 parks where we can rate Garden Webworm Moth sightings, Padre Island National Seashore has the highest daily chance: about 10%. Next come Big Bend National Park (United States, about 10%) and Joshua Tree National Park (United States, under 5%).
Same family: Crambidae
The closest relatives of the Garden Webworm Moth that you can see in Padre Island National Seashore (family Crambidae, Crambid Snout Moths) are Spotted Beet Webworm Moth (about 10%), Genista Broom Moth (about 10%) and Watermilfoil Leafcutter Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Garden Webworm Moth is recorded against all the insects logged in Padre Island National Seashore (8 verified sightings from 2019 to 2026), 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.
