Ringed Assassin Bug

Ringed Assassin Bug

Pselliopus cinctus

Daily sighting probability <5% · Rare
at Boston

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

24 Verified sightings at Boston
16 In 1 park From 2019 to 2026
September Best month
☀️ Diurnal When it's spotted

About the Ringed Assassin Bug

Pselliopus cinctus is a species of assassin bug in the family Reduviidae. It is found in North America. Wikipedia →

Global Distribution

Parks Where Found

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

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Boston 🇺🇸 United States
<5%
2 Washington 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Ringed Assassin Bug in Boston?

Rare

Under 5% of wildlife watchers report a Ringed Assassin Bug sighting in Boston on a given day, based on 24 verified sightings from GBIF citizen-science data. It is the 443rd most-seen of the 1200 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 Ringed Assassin Bug in Boston?

September

In that month about 10% of wildlife watchers report a Ringed Assassin Bug in Boston on a given day, against under 5% in October to August, the lowest months.

What time of day is best to see a Ringed Assassin Bug?

Between 2 and 5 pm

Across all the parks we cover, that three-hour window holds the most Ringed 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 Boston the best place to see a Ringed Assassin Bug?

Yes

Of the 2 cities where we can rate Ringed Assassin Bug sightings, Boston has the highest daily chance: under 5%. Next come Washington (United States, under 5%).

Which relatives of the Ringed Assassin Bug live in Boston?

Same family: Reduviidae

The closest relatives of the Ringed Assassin Bug that you can see in Boston (family Reduviidae, Assassin Bugs) are Pale Green Assassin Bug (about 10%) and Spiny Assassin Bug (about 10%), with each one's daily chance of a sighting.

Where does the Ringed Assassin Bug sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Ringed Assassin Bug is recorded against all the insects logged in Boston (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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