Pale Green Assassin Bug

Pale Green Assassin Bug

Zelus luridus

Daily sighting probability <5% · Rare
at Chicago

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

20 Verified sightings at Chicago
157 In all 4 parks From 2019 to 2026
September Best month
☀️ Diurnal When it's spotted

About the Pale Green Assassin Bug

Zelus luridus, also known as the pale green assassin bug, is a species of assassin bug native to North America. It is the most common Zelus species in the eastern United States. Although it may inflict a painful bite if handled, it is not considered medically significant to humans. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Shenandoah National Park 🇺🇸 United States
~10%
2 Great Smoky Mountains National Park 🇺🇸 United States
~10%
3 Acadia National Park 🇺🇸 United States
~10%
4 Point Pelee National Park 🇨🇦 Canada
~10%

Cities Where Found

# City Country Daily sighting probability
1 Boston 🇺🇸 United States
~10%
2 Washington 🇺🇸 United States
~10%
3 Montreal 🇨🇦 Canada
~10%
4 Minneapolis [Saint Paul] 🇺🇸 United States
~10%
5 Baltimore 🇺🇸 United States
~10%
6 Philadelphia 🇺🇸 United States
~10%
7 Denver 🇺🇸 United States
~10%
8 Detroit 🇺🇸 United States
~10%
9 Dallas 🇺🇸 United States
~10%
10 New York City 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Pale Green Assassin Bug in Chicago?

Rare

Under 5% of wildlife watchers report a Pale Green Assassin Bug sighting in Chicago on a given day, based on 20 verified sightings from GBIF citizen-science data. It is the 421st most-seen of the 978 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 Pale Green Assassin Bug in Chicago?

Any time of year

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

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

Between noon and 3 pm

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

14th of 15

Of the 15 cities where we can rate Pale Green Assassin Bug sightings, Chicago ranks 14th at under 5%. The best odds are in Boston (United States, about 10%), Washington (United States, about 10%) and Montreal (Canada, about 10%).

Where does the Pale Green Assassin Bug sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Pale Green Assassin Bug is recorded against all the insects logged in Chicago (20 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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