Arenivaga bolliana
In 3 days ~10% in a week ~20%
Arenivaga bolliana, known generally as the Boll's sand cockroach or Boll's sandroach, is a species of cockroach in the family Corydiidae. It is found in North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Big Bend National Park | 🇺🇸 United States |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San Antonio | 🇺🇸 United States | |
| 2 | Mesa | 🇺🇸 United States | |
| 3 | Austin | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Boll’s Sandroach sighting in San Antonio on a given day, based on 28 verified sightings from GBIF citizen-science data. It is the 268th most-seen of the 697 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.
March
In that month about 10% of wildlife watchers report a Boll’s Sandroach in San Antonio on a given day, against under 5% in April to February, the lowest months.
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Boll’s Sandroach sightings with a recorded time, and nearly all of them come between 6 pm and 6 am: it is mostly seen at night.
Yes
Of the 3 cities where we can rate Boll’s Sandroach sightings, San Antonio has the highest daily chance: under 5%. Next come Mesa (United States, under 5%) and Austin (United States, under 5%).
Same order: Blattodea
The closest relatives of the Boll’s Sandroach that you can see in San Antonio (order Blattodea, Cockroaches and Termites) are American Cockroach (about 20%) and Surinam Cockroach (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Boll’s Sandroach is recorded against all the insects logged in San Antonio (28 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.
