title: Trigonopterus costipennis
text: # Trigonopterus costipennis
  
  Trigonopterus costipennis is a species of flightless weevil in the genus Trigonopterus from Indonesia.
  
  ## Etymology
  
  The specific name is derived from the Latin words costa, meaning "rib" or "ridge", and penna, meaning "elytron". It refers to the shape of the species' elytra.
  
  ## Description
  
  Individuals measure 2.04–2.51 mm in length. The body is elongated and slightly ovate. General coloration is black, with rust-colored tarsi and antennae.
  
  ## Range
  
  The species is found around elevations of 1,345–1,572 metres (4,413–5,157 ft) on Semeru and Mount Wilis on the Indonesian province of East Java.
  
  