Desmia funeralis
In 3 days ~10% in a week ~30%
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 Dallas on a given day, based on 41 verified sightings from GBIF citizen-science data. It is the 421st most-seen of the 1412 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.
June and July
In those months about 10% of wildlife watchers report a Grape Leaffolder Moth in Dallas on a given day, against under 5% in August to May, 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.
2nd of 8
Of the 8 cities where we can rate Grape Leaffolder Moth sightings, Dallas ranks 2nd at under 5%. The best odds are in Austin (United States, about 10%).
Same family: Crambidae
The closest relatives of the Grape Leaffolder Moth that you can see in Dallas (family Crambidae, Crambid Snout Moths) are Garden Webworm Moth (about 10%), Celery Leaftier Moth (about 10%) and Waterlily Leafcutter Moth (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 Dallas (41 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.
