Dark Firefly

Dark Firefly

Pyropyga nigricans

Daily sighting probability <5% · Rare
at Denver

In 3 days ~10% in a week ~20%

19 Verified sightings at Denver
July Best month

About the Dark Firefly

Pyropyga nigricans, also known as the black-bordered elf firefly, is a species of diurnal beetle in the family Lampyridae. It is widespread in western North America and occurs from central and eastern Mexico to Canada. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Salt Lake City 🇺🇸 United States
~10%
2 Portland 🇺🇸 United States
<5%
3 Denver 🇺🇸 United States
<5%
4 Sacramento 🇺🇸 United States
<5%
5 Montreal 🇨🇦 Canada
<5%
6 Toronto 🇨🇦 Canada
<5%
7 Los Angeles 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Dark Firefly in Denver?

Rare

Under 5% of wildlife watchers report a Dark Firefly sighting in Denver on a given day, based on 19 verified sightings from GBIF citizen-science data. It is the 198th most-seen of the 461 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.

When is the best time to see a Dark Firefly in Denver?

June and July

In those months about 10% of wildlife watchers report a Dark Firefly in Denver on a given day, against under 5% in August to May, the lowest months. Those are among Denver's wettest months, with about 50 mm of rain a month against 15 mm in January.

Is Denver the best place to see a Dark Firefly?

3rd of 7

Of the 7 cities where we can rate Dark Firefly sightings, Denver ranks 3rd at under 5%. The best odds are in Salt Lake City (United States, about 10%) and Portland (United States, under 5%).

Where does the Dark Firefly sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Dark Firefly is recorded against all the insects logged in Denver (19 verified sightings), 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.

← Back to Denver