Trigonopterus fissitarsis is a species of flightless weevil in the genus Trigonopterus from Indonesia.[1]
The specific name is derived from the Latin word fissus, meaning "cleft", and the Greek word tarsos, plural of "ankle".
Individuals measure 2.04–2.14 mm in length. The body is slightly oval in shape. General coloration black, with rust-colored antennae and dark rust-colored legs.
The species is found around elevations of 1215m (3,986feet) near Lake Ranamese on the island of Flores, part of the Indonesian province of East Nusa Tenggara.
T. fissitarsis is part of the T. saltator species group.