Human Louse silhouette

Silhouette: Kosta Mumcuoglu (vectorized by T. Michael Keesey) · PhyloPic

Human Louse

Pediculus humanus

Daily sighting probability <5% · Rare
at Washington

In 3 days ~10%

5 Verified sightings at Washington
November Best month

About the Human Louse

Pediculus humanus is a species of louse that infests humans. 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 Kozhikode 🇮🇳 India
~10%
2 Kochi 🇮🇳 India
~10%
3 Paris 🇫🇷 France
<5%
4 Copenhagen 🇩🇰 Denmark
<5%
5 Madrid 🇪🇸 Spain
<5%
6 Washington 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Human Louse in Washington?

Rare

Under 5% of wildlife watchers report a Human Louse sighting in Washington on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 1649th 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 Human Louse in Washington?

Any time of year

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

Is Washington the best place to see a Human Louse?

6th of 6

Of the 6 cities where we can rate Human Louse sightings, Washington ranks 6th at under 5%. The best odds are in Kozhikode (India, about 10%), Kochi (India, about 10%) and Paris (France, under 5%).

Where does the Human Louse sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Human Louse is recorded against all the insects logged in Washington (5 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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