Gnophomyia tristissima
In 3 days ~20% in a week ~30%
Gnophomyia tristissima is a species of limoniid crane flies in the family Limoniidae. It is all black with yellow halteres. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 2 | Shenandoah National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Washington | 🇺🇸 United States | |
| 2 | Philadelphia | 🇺🇸 United States | |
| 3 | Montreal | 🇨🇦 Canada | |
| 4 | Toronto | 🇨🇦 Canada | |
| 5 | Baltimore | 🇺🇸 United States | |
| 6 | New York City | 🇺🇸 United States | |
| 7 | Boston | 🇺🇸 United States | |
| 8 | Minneapolis [Saint Paul] | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Gnophomyia tristissima 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 406th most-seen of the 723 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
May and September–October
In those months about 10% of wildlife watchers report a Gnophomyia tristissima in Shenandoah National Park on a given day, against under 5% in June–August and November–April, the lowest months.
Between noon and 3 pm
Across all the parks we cover, that three-hour window holds the most Gnophomyia tristissima sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 2 parks where we can rate Gnophomyia tristissima sightings, Shenandoah National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Great Smoky Mountains National Park (United States, about 10%).
Same family: Limoniidae
The closest relatives of the Gnophomyia tristissima that you can see in Shenandoah National Park (family Limoniidae, Limoniid Crane Flies) are Spectacled Crane Fly (about 10%), Cladura flavoferruginea (about 10%) and Eugnophomyia luctuosa (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Gnophomyia tristissima 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.
