Rainbow Scarab

Rainbow Scarab

Phanaeus vindex

Daily sighting probability <5% · Rare
at Washington

In 3 days ~10%

8 Verified sightings at Washington
21 In all 3 parks From 2019 to 2026
May Best month
☀️ Diurnal When it's spotted

About the Rainbow Scarab

Phanaeus vindex, also known as a rainbow scarab (like other members in its genus), is a North American species of true dung beetle in the family Scarabaeidae. It is found in eastern and central United States (Florida and New England to Arizona and Wyoming) and northern Mexico. It is the most widespread species of Phanaeus in the United States and it has a wide habitat tolerance. It may hybridize with the generally less common P. difformis.

P. vindex adults are hard-bodied beetles which range from approximately 11-22 millimeters (0.4-0.9 inches) in length. They are relatively bulky and oblong. These beetles are sexually dimorphic; the males can be identified by their iridescent elytra and a large horn on their heads while females have slightly less vibrant shells and lack horns. Females also have different numbers of segments on their abdomen than males. Additionally, the ends of male abdomens raise above the elytra, however, in females, they do not. On top of this, the abdomen is distinctly colored in both sexes. Like most Phanaeus species, male rainbow scarabs can be observed in either a major morph with large horns and bodies, or a minor morph, with significantly... Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Merritt Island National Wildlife Refuge 🇺🇸 United States
~10%
2 Everglades National Park 🇺🇸 United States
<5%
3 Great Smoky Mountains National Park 🇺🇸 United States
<5%

Cities Where Found

# City Country Daily sighting probability
1 Miami 🇺🇸 United States
~10%
2 Orlando 🇺🇸 United States
~10%
3 Dallas 🇺🇸 United States
<5%
4 Washington 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Rainbow Scarab in Washington?

Rare

Under 5% of wildlife watchers report a Rainbow Scarab sighting in Washington on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 1330th most-seen of the 1807 insects we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.

When is the best time to see a Rainbow Scarab in Washington?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Rainbow Scarab in Washington on a given day, so our monthly data shows no clear season.

What time of day is best to see a Rainbow Scarab?

Between 10 am and 1 pm

Across all the parks we cover, that three-hour window holds the most Rainbow Scarab sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.

Is Washington the best place to see a Rainbow Scarab?

4th of 4

Of the 4 cities where we can rate Rainbow Scarab sightings, Washington ranks 4th at under 5%. The best odds are in Miami (United States, about 10%), Orlando (United States, about 10%) and Dallas (United States, under 5%).

Which relatives of the Rainbow Scarab live in Washington?

Same family: Scarabaeidae

The closest relatives of the Rainbow Scarab that you can see in Washington (family Scarabaeidae, Scarabs) are Common Green June Beetle (about 10%), Oriental Beetle (about 10%) and Japanese Beetle (about 10%), with each one's daily chance of a sighting.

Where does the Rainbow Scarab sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Rainbow Scarab is recorded against all the insects logged in Washington (8 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.

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