Pennsylvania Ambush Bug

Pennsylvania Ambush Bug

Phymata pennsylvanica

Daily sighting probability <5% · Rare
at Boston

In 3 days ~10% in a week ~30%

51 Verified sightings at Boston
August Best month

About the Pennsylvania Ambush Bug

Phymata pennsylvanica, known generally as the Pennsylvania ambush bug or Pennsylvania jagged ambush bug, is a species of ambush bug in the family Reduviidae. It is found in North America. It is known to prey on a common hoverfly, Syritta pipiens. 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 Detroit 🇺🇸 United States
~10%
2 Boston 🇺🇸 United States
<5%
3 Chicago 🇺🇸 United States
<5%
4 Toronto 🇨🇦 Canada
<5%
5 New York City 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Pennsylvania Ambush Bug in Boston?

Rare

Under 5% of wildlife watchers report a Pennsylvania Ambush Bug sighting in Boston on a given day, based on 51 verified sightings from GBIF citizen-science data. It is the 276th 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 30%, if each day is a fresh chance.

When is the best time to see a Pennsylvania Ambush Bug in Boston?

July to October

In those months about 10% of wildlife watchers report a Pennsylvania Ambush Bug in Boston on a given day, against under 5% in November to June, the lowest months.

Is Boston the best place to see a Pennsylvania Ambush Bug?

2nd of 5

Of the 5 cities where we can rate Pennsylvania Ambush Bug sightings, Boston ranks 2nd at under 5%. The best odds are in Detroit (United States, about 10%).

Which relatives of the Pennsylvania Ambush Bug live in Boston?

Same family: Reduviidae

The closest relatives of the Pennsylvania Ambush 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 Pennsylvania Ambush Bug sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Pennsylvania Ambush Bug is recorded against all the insects logged in Boston (51 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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