Found it in a tea plantation. It can jump.
1 Answer
It appears to be a Tituria planata nymph.
The adults look like this:
At first I thought it was a treehopper, but it turns out that it was a leafhopper (they are similar but different).
Tituria planata is one of the most common leafhopper species in Taiwan.
https://www.inaturalist.org/observations?place_id=7887&taxon_id=49025&view=species