Dythemis nigrescens
In 3 days ~50% in a week ~80%
Dythemis nigrescens, the black setwing, is a species of skimmer in the dragonfly family Libellulidae. It is found in Central America and North America. The IUCN conservation status of Dythemis nigrescens is "LC", least concern, with no immediate threat to the species' survival. The population is stable. The IUCN status was reviewed in 2017. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Big Bend National Park | 🇺🇸 United States | |
| 2 | Cumbres de Monterrey National Park | 🇲🇽 Mexico |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Austin | 🇺🇸 United States | |
| 2 | Monterrey | 🇲🇽 México | |
| 3 | San Antonio | 🇺🇸 United States | |
| 4 | Houston | 🇺🇸 United States |
Possible
About 20% of wildlife watchers report a Black Setwing sighting in Big Bend National Park on a given day, based on 105 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 23rd most-seen of the 329 insects we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
June
In that month about 40% of wildlife watchers report a Black Setwing in Big Bend National Park on a given day, against under 5% in July and December–February, the lowest months.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Black Setwing sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 2 parks where we can rate Black Setwing sightings, Big Bend National Park has the highest daily chance: about 20%. Next come Cumbres de Monterrey National Park (Mexico, under 5%).
Same genus: Dythemis
The closest relatives of the Black Setwing that you can see in Big Bend National Park (genus Dythemis, Setwings) are Swift Setwing (about 10%) and Checkered Setwing (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Black Setwing is recorded against all the insects logged in Big Bend National Park (105 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.
