Desmia funeralis
In 3 days ~10% in a week ~20%
Desmia funeralis, the grape leaffolder, is a moth of the family Crambidae. It is found across the southern parts of the United States to California, north to the northeastern states and southeastern Canada. The wingspan is 21–28 mm. From a top-down perspective, D. funeralis appears identical to D. maculalis. Adults are on wing from May to September. It is a day-flying species. There are two to three generations per year.
The larvae feed on Vitis, Cercis canadensis and Oenothera. It is considered a minor pest of grapes in the United States. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cumbres de Monterrey National Park | 🇲🇽 Mexico | |
| 2 | Great Smoky Mountains National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Austin | 🇺🇸 United States | |
| 2 | Dallas | 🇺🇸 United States | |
| 3 | Houston | 🇺🇸 United States | |
| 4 | Washington | 🇺🇸 United States | |
| 5 | Sacramento | 🇺🇸 United States | |
| 6 | Toronto | 🇨🇦 Canada | |
| 7 | Chicago | 🇺🇸 United States | |
| 8 | New York City | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Grape Leaffolder Moth sighting in Great Smoky Mountains National Park on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 628th most-seen of the 822 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.
August
In that month about 10% of wildlife watchers report a Grape Leaffolder Moth in Great Smoky Mountains National Park on a given day, against under 5% in September to July, the lowest months.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Grape Leaffolder Moth sightings with a recorded time, and about half of them come between 6 am and 6 pm: it is seen both by day and at night.
Among the best
Of the 2 parks where we can rate Grape Leaffolder Moth sightings, Great Smoky Mountains National Park ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Cumbres de Monterrey National Park (Mexico, under 5%).
Same family: Crambidae
The closest relatives of the Grape Leaffolder Moth that you can see in Great Smoky Mountains National Park (family Crambidae, Crambid Snout Moths) are Basswood Leafroller Moth (about 10%), Hollow-Spotted Blepharomastix Moth (about 10%) and Elegant Grass-Veneer (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Grape Leaffolder Moth is recorded against all the insects logged in Great Smoky Mountains National Park (5 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.
