Scarlet-Bordered Assassin Bug

Scarlet-Bordered Assassin Bug

Rhiginia cruciata

Daily sighting probability <5% · Rare
at Washington

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

24 Verified sightings at Washington
50 In all 2 parks From 2019 to 2026
May Best month
☀️ Diurnal When it's spotted

About the Scarlet-Bordered Assassin Bug

Rhiginia cruciata, commonly known as the scarlet-bordered assassin bug or cruciate assassin bug, is a species of millipede assassin in the family Reduviidae. It is found in the Caribbean, Central America, and North America. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Great Smoky Mountains National Park 🇺🇸 United States
~10%
2 Shenandoah National Park 🇺🇸 United States
~10%

Cities Where Found

# City Country Daily sighting probability
1 Philadelphia 🇺🇸 United States
<5%
2 Washington 🇺🇸 United States
<5%
3 New York City 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Scarlet-Bordered Assassin Bug in Washington?

Rare

Under 5% of wildlife watchers report a Scarlet-Bordered Assassin Bug sighting in Washington on a given day, based on 24 verified sightings from GBIF citizen-science data. It is the 764th most-seen of the 1807 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 Scarlet-Bordered Assassin Bug in Washington?

Any time of year

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

What time of day is best to see a Scarlet-Bordered Assassin Bug?

Between 3 and 6 pm

Across all the parks we cover, that three-hour window holds the most Scarlet-Bordered Assassin Bug sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Washington the best place to see a Scarlet-Bordered Assassin Bug?

Among the best

Of the 3 cities where we can rate Scarlet-Bordered Assassin Bug sightings, Washington ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Philadelphia (United States, under 5%).

Where does the Scarlet-Bordered Assassin Bug sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Scarlet-Bordered Assassin Bug is recorded against all the insects logged in Washington (24 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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