Luridiblatta trivittata
In 3 days ~10% in a week ~30%
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San Francisco | 🇺🇸 United States | |
| 2 | Sacramento | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Three-Lined Cockroach sighting in San Francisco on a given day, based on 211 verified sightings from GBIF citizen-science data. It is the 87th most-seen of the 737 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.
July to October
In those months about 10% of wildlife watchers report a Three-Lined Cockroach in San Francisco on a given day, against under 5% in November to June, the lowest months. Those are among San Francisco's driest months, with about 5 mm of rain a month against 110 mm in December.
Yes
Of the 2 cities where we can rate Three-Lined Cockroach sightings, San Francisco has the highest daily chance: about 10%. Next come Sacramento (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Three-Lined Cockroach is recorded against all the insects logged in San Francisco (211 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.
