What are the chances of seeing a Trirachys orientalis in Shanghai?
Rare
Under 5% of wildlife watchers report a Trirachys orientalis sighting in Shanghai on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 158th most-seen of the 215 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.
When is the best time to see a Trirachys orientalis in Shanghai?
July and August
In those months about 10% of wildlife watchers report a Trirachys orientalis in Shanghai on a given day, against under 5% in September to June, the lowest months. Those are among Shanghai's wettest months, with about 160 mm of rain a month against 55 mm in December.
Is Shanghai the best place to see a Trirachys orientalis?
2nd of 2
Of the 2 cities where we can rate Trirachys orientalis sightings, Shanghai ranks 2nd at under 5%. The best odds are in Nanjing (China, about 10%).
Which relatives of the Trirachys orientalis live in Shanghai?
Same family: Cerambycidae
The closest relatives of the Trirachys orientalis that you can see in Shanghai (family Cerambycidae, Longhorn Beetles) are Citrus Longhorn Beetle (about 20%), Red Necked Longhorn Beetle (about 10%) and Thin-Winged Longicorn Beetle (about 10%), with each one's daily chance of a sighting.
Where does the Trirachys orientalis sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Trirachys orientalis is recorded against all the insects logged in Shanghai (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.