Leucorrhinia intacta
In 3 days ~20% in a week ~40%
The dot-tailed whiteface (Leucorrhinia intacta) is a species of dragonfly in the family Libellulidae. It is also one of the most common and widespread in the genus Leucorrhinia. The naiad of the dot-tailed whiteface is very small with a length of 9/16 to 3/4 inch (14–19 mm). Its abdomen is rounded, giving it a short, stocky appearance known as the sprawler form. Its brown in color and marked with either three dark stripes or two rows of dark spots running the length of the underside of the abdomen. There are needle-shaped hooks on the top of abdominal segments three through eight, and a single, rear-facing spine on each side of abdominal segments eight and nine.
The dot-tailed whiteface is a small dragonfly with a length of 1 to 11/5 inches (25 to 38 mm). It is distinguished by the mostly black body, small black basal wing spots, black legs, and white face. Male dot-tailed whitefaces have one yellow spot on the dorsal side of the abdomen. Female dot-tailed whitefaces have multiple yellow spots along the dorsal side of the abdomen and the last yellow spot is large and square shaped. There is also a small yellow stripe along the lateral edge... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Elk Island National Park | 🇨🇦 Canada | |
| 2 | Riding Mountain National Park | 🇨🇦 Canada | |
| 3 | Acadia National Park | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Dot-Tailed Whiteface sighting in Riding Mountain National Park on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 66th most-seen of the 104 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 Dot-Tailed Whiteface in Riding Mountain National Park on a given day, against under 5% in July to May, the lowest months. That is one of Riding Mountain National Park's wettest months, with about 100 mm of rain against 20 mm in February.
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most Dot-Tailed Whiteface sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 3 parks where we can rate Dot-Tailed Whiteface sightings, Riding Mountain National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Elk Island National Park (Canada, about 10%).
Same genus: Leucorrhinia
The closest relatives of the Dot-Tailed Whiteface that you can see in Riding Mountain National Park (genus Leucorrhinia, Whitefaces) are Belted Whiteface (about 10%) and Boreal Whiteface (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Dot-Tailed Whiteface is recorded against all the insects logged in Riding Mountain 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.
