Trachymela sloanei
In 3 days ~20% in a week ~50%
Trachymela sloanei, known generally as the Australian tortoise beetle or small eucalyptus tortoise beetle, is a species of leaf beetle in the family Chrysomelidae. The species is native to Australia, where it lives on Eucalyptus trees. It is an invasive pest in California, and was recently established in Shenzhen (China), Chile, Spain, Portugal and Greece. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Channel Islands National Park | 🇺🇸 United States |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Toluca | 🇲🇽 México | |
| 2 | Mexico City | 🇲🇽 México | |
| 3 | Madrid | 🇪🇸 Spain | |
| 4 | San Francisco | 🇺🇸 United States | |
| 5 | Auckland | 🇳🇿 New Zealand | |
| 6 | Los Angeles | 🇺🇸 United States | |
| 7 | Hong Kong | 🇨🇳 China | |
| 8 | Lisbon | 🇵🇹 Portugal | |
| 9 | Sacramento | 🇺🇸 United States | |
| 10 | San Diego | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report an Australian Tortoise Beetle sighting in Toluca on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 51st most-seen of the 70 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
September
In that month about 20% of wildlife watchers report an Australian Tortoise Beetle in Toluca on a given day, against under 5% in June–August and November–March, the lowest months. That is one of Toluca's wettest months, with about 150 mm of rain against 5 mm in December.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Australian Tortoise Beetle sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is most active around dawn and dusk.
Yes
Of the 10 cities where we can rate Australian Tortoise Beetle sightings, Toluca has the highest daily chance: about 10%. Next come Mexico City (México, about 10%) and Madrid (Spain, about 10%).
GBIF citizen-science records
It is estimated from how often the Australian Tortoise Beetle is recorded against all the insects logged in Toluca (6 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.
