What insect is this?
Probably a heteroptera heteroptera at DuckDuckGo
Heteroptera are a group of bugs that are also called “true bugs” and coincidentally, studied by a colleague of mine Heteroptera - Wikipedia
For bonus points, here are heteroptera-related images on Ocellus ocellus^3
Interesting trivia: a couple of months ago I was working in Brazil (with the above mentioned colleague who is Brazilian), and I named one of my software packages truebug