Trirhabda bacharidis
In 3 days ~10% in a week ~20%
Trirhabda bacharidis, known generally as the groundselbush beetle or groundsel bush leaf beetle, is a species of skeletonizing leaf beetle in the family Chrysomelidae. It is found in Australia, North America, and Southern Asia. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Baltimore | 🇺🇸 United States | |
| 2 | Houston | 🇺🇸 United States | |
| 3 | New York City | 🇺🇸 United States | |
| 4 | Dallas | 🇺🇸 United States | |
| 5 | Austin | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Groundselbush Beetle sighting in Austin on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 1392nd most-seen of the 1624 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.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Groundselbush Beetle in Austin on a given day, so our monthly data shows no clear season.
Among the best
Of the 5 cities where we can rate Groundselbush Beetle sightings, Austin ranks 5th at under 5%, level with the leaders once rounded. The best odds are in Baltimore (United States, under 5%), Houston (United States, under 5%) and New York City (United States, under 5%).
Same family: Chrysomelidae
The closest relatives of the Groundselbush Beetle that you can see in Austin (family Chrysomelidae, Leaf Beetles) are Spotted Cucumber Beetle (about 20%), Shiny Flea Beetle (about 10%) and Texas Red-Headed Chrysomela (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Groundselbush Beetle is recorded against all the insects logged in Austin (7 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.
