Lytrosis unitaria
In 3 days ~20% in a week ~40%
Lytrosis unitaria, the common lytrosis moth, is a species of moth of the family Geometridae. It is found in North America, including Arkansas, Georgia, Iowa, Maine,Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Ontario, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, West Virginia and Wisconsin.
The wingspan is about 50 mm (2.0 in). The larvae feed on Rosa, Crataegus, Amelanchier, Acer, Quercus and Viburnum species. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Smoky Mountains National Park | 🇺🇸 United States |
More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Common Lytrosis Moth sighting in Great Smoky Mountains National Park on a given day, based on 23 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 276th most-seen of the 822 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.
June
In that month about 20% of wildlife watchers report a Common Lytrosis Moth in Great Smoky Mountains National Park on a given day, against under 5% in July to May, the lowest months.
Between 10 pm and 1 am
Across all the parks we cover, that three-hour window holds the most Common Lytrosis Moth sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
Only Great Smoky Mountains National Park, in our data
Great Smoky Mountains National Park is the only park on Wallace's Line with enough records to rate Common Lytrosis Moth sightings: about 10% of wildlife watchers there report one on a given day.
Same family: Geometridae
The closest relatives of the Common Lytrosis Moth that you can see in Great Smoky Mountains National Park (family Geometridae, Geometer Moths) are Tulip-Tree Beauty (about 30%), White-Striped Black (about 20%) and Pale Beauty (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Common Lytrosis Moth is recorded against all the insects logged in Great Smoky Mountains National Park (23 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.
