Enallagma aspersum
In 3 days ~20% in a week ~30%
Enallagma aspersum, the azure bluet, is a species of narrow-winged damselfly in the family Coenagrionidae. It is found in North America in Canada and the United States. The IUCN conservation status of Enallagma aspersum is "least concern", with no immediate threat to the species' survival. The population is stable. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States | |
| 2 | Acadia National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | New York City | 🇺🇸 United States | |
| 2 | Boston | 🇺🇸 United States | |
| 3 | Toronto | 🇨🇦 Canada | |
| 4 | Washington | 🇺🇸 United States | |
| 5 | Chicago | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report an Azure Bluet sighting in Acadia National Park on a given day, based on 15 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 202nd most-seen of the 405 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.
July and August
In those months about 10% of wildlife watchers report an Azure Bluet in Acadia National Park on a given day, against under 5% in September to June, the lowest months.
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most Azure Bluet 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 2 parks where we can rate Azure Bluet sightings, Acadia National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Shenandoah National Park (United States, about 10%).
GBIF citizen-science records
It is estimated from how often the Azure Bluet is recorded against all the insects logged in Acadia National Park (15 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.
