Black Webspinner

Black Webspinner

Oligotoma nigra

Daily sighting probability <5% · Rare
at Sacramento

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

13 Verified sightings at Sacramento
112 In 1 park From 2019 to 2026
September Best month
☀️ Diurnal When it's spotted

About the Black Webspinner

Oligotoma nigra, also known as the black webspinner, is a species of insect in the order Embiidina, also known as Embioptera. Wikipedia →

Global Distribution

Parks Where Found

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

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Jerusalem 🇮🇱 Israel
~10%
2 Tel Aviv 🇮🇱 Israel
~10%
3 Mesa 🇺🇸 United States
~10%
4 Austin 🇺🇸 United States
<5%
5 Phoenix 🇺🇸 United States
<5%
6 Sacramento 🇺🇸 United States
<5%
7 Dallas 🇺🇸 United States
<5%
8 San Antonio 🇺🇸 United States
<5%
9 San Diego 🇺🇸 United States
<5%
10 Los Angeles 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Black Webspinner in Sacramento?

Rare

Under 5% of wildlife watchers report a Black Webspinner sighting in Sacramento on a given day, based on 13 verified sightings from GBIF citizen-science data. It is the 200th most-seen of the 386 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 Black Webspinner in Sacramento?

August to October

In those months about 10% of wildlife watchers report a Black Webspinner in Sacramento on a given day, against under 5% in November to July, the lowest months. Those are among Sacramento's driest months, with about 10 mm of rain a month against 120 mm in December.

What time of day is best to see a Black Webspinner?

Between 6 and 9 am

Across all the parks we cover, that three-hour window holds the most Black Webspinner sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.

Is Sacramento the best place to see a Black Webspinner?

6th of 12

Of the 12 cities where we can rate Black Webspinner sightings, Sacramento ranks 6th at under 5%. The best odds are in Jerusalem (Israel, about 10%), Tel Aviv (Israel, about 10%) and Mesa (United States, about 10%).

Where does the Black Webspinner sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Black Webspinner is recorded against all the insects logged in Sacramento (13 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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