Protodeltote muscosula
In 3 days ~10% in a week ~30%
Protodeltote muscosula, the large mossy lithacodia, is an owlet moth (family Noctuidae). The species was first described by Achille Guenée in 1852. Larvae feed on swamp grasses, in particular, saw grass. Adults have a wingspan of 19-23mm. The MONA or Hodges number for Protodeltote muscosula is 9047. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Point Pelee National Park | 🇨🇦 Canada | |
| 2 | Shenandoah National Park | 🇺🇸 United States | |
| 3 | Acadia National Park | 🇺🇸 United States | |
| 4 | Great Smoky Mountains National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Baltimore | 🇺🇸 United States | |
| 2 | Toronto | 🇨🇦 Canada | |
| 3 | Washington | 🇺🇸 United States | |
| 4 | Chicago | 🇺🇸 United States | |
| 5 | New York City | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Large Mossy Glyph sighting in Shenandoah National Park on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 447th most-seen of the 723 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.
May–June and August
In those months about 10% of wildlife watchers report a Large Mossy Glyph in Shenandoah National Park on a given day, against under 5% in July and September–April, the lowest months.
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Large Mossy Glyph sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is seen both by day and at night.
Among the best
Of the 4 parks where we can rate Large Mossy Glyph sightings, Shenandoah National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Point Pelee National Park (Canada, about 10%).
Same family: Noctuidae
The closest relatives of the Large Mossy Glyph that you can see in Shenandoah National Park (family Noctuidae, Cutworm Moths and Allies) are Beautiful Wood-Nymph (about 20%), American Dagger (about 10%) and Eight-Spotted Forester Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Large Mossy Glyph is recorded against all the insects logged in Shenandoah National Park (9 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.
