Vernia verna
In 3 days ~10% in a week ~30%
Vernia verna, the little glassywing, is a species of butterfly of the family Hesperiidae. It is found in the eastern United States and southeastern Canada, from central New England west to central Nebraska, south to northern Florida, the Gulf Coast and southern Texas.
The wingspan is 27–39 mm. Adults prefer to feed on the nectar of white, pink and purple flowers, including Apocynum, Prunella, Mentha × piperita, Eutrochium and Asclepias. The larvae feed on Tridens flavus. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Baltimore | 🇺🇸 United States | |
| 2 | Washington | 🇺🇸 United States | |
| 3 | Toronto | 🇨🇦 Canada | |
| 4 | Boston | 🇺🇸 United States | |
| 5 | Philadelphia | 🇺🇸 United States | |
| 6 | New York City | 🇺🇸 United States | |
| 7 | Chicago | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Little Glassywing sighting in Washington on a given day, based on 91 verified sightings from GBIF citizen-science data. It is the 313th most-seen of the 1807 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 August
In those months about 10% of wildlife watchers report a Little Glassywing in Washington on a given day, against under 5% in July and September–May, the lowest months.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Little Glassywing sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 7
Of the 7 cities where we can rate Little Glassywing sightings, Washington ranks 2nd at under 5%. The best odds are in Baltimore (United States, about 10%).
Same family: Hesperiidae
The closest relatives of the Little Glassywing that you can see in Washington (family Hesperiidae, Skippers) are Silver-Spotted Skipper (about 20%), Zabulon Skipper (about 20%) and Peck's Skipper (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Little Glassywing is recorded against all the insects logged in Washington (91 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.
