Acilius abbreviatus
In 3 days ~10% in a week ~30%
Acilius abbreviatus is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Bear Rainforest | 🇨🇦 Canada | |
| 2 | Rocky Mountain National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Vancouver | 🇨🇦 Canada |
Rare
Under 5% of wildlife watchers report an Abbreviated Predaceous Diving Beetle sighting in Rocky Mountain National Park on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 172nd most-seen of the 191 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.
May–June and September
In those months about 10% of wildlife watchers report an Abbreviated Predaceous Diving Beetle in Rocky Mountain National Park on a given day, against under 5% in July–August and October–April, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Abbreviated Predaceous Diving Beetle 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 Abbreviated Predaceous Diving Beetle sightings, Rocky Mountain National Park ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Great Bear Rainforest (Canada, under 5%).
Same order: Coleoptera
The closest relatives of the Abbreviated Predaceous Diving Beetle that you can see in Rocky Mountain National Park (order Coleoptera, Beetles) are White-Spotted Sawyer (about 30%), Blue Fungus Beetle (about 20%) and Ornate Checkered Beetle (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Abbreviated Predaceous Diving Beetle is recorded against all the insects logged in Rocky Mountain National Park (5 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.
