Chlorochroa sayi
In 3 days ~10% in a week ~20%
Chlorochroa sayi, or Say's stink bug, is a species of stink bug in the family Pentatomidae. It is found in North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Death Valley National Park | 🇺🇸 United States | |
| 2 | Grand Canyon National Park | 🇺🇸 United States | |
| 3 | Joshua Tree National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Las Vegas | 🇺🇸 United States | |
| 2 | Mesa | 🇺🇸 United States | |
| 3 | Phoenix | 🇺🇸 United States | |
| 4 | Salt Lake City | 🇺🇸 United States | |
| 5 | Denver | 🇺🇸 United States | |
| 6 | Los Angeles | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Say's Stink Bug sighting in Mesa on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 205th most-seen of the 232 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.
July to September
In those months about 10% of wildlife watchers report a Say's Stink Bug in Mesa on a given day, against under 5% in October to June, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Say's Stink 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.
Among the best
Of the 6 cities where we can rate Say's Stink Bug sightings, Mesa ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Las Vegas (United States, under 5%).
Same family: Pentatomidae
The closest relatives of the Say's Stink Bug that you can see in Mesa (family Pentatomidae, Stink Bugs) are Thyanta accerra (about 10%), Red-Shouldered Stink Bug (about 10%) and Bagrada Bug (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Say's Stink Bug is recorded against all the insects logged in Mesa (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.
