title: Trigonopterus cupreus
text: # Trigonopterus cupreus
  
  Trigonopterus cupreus is a species of flightless weevil in the genus Trigonopterus from Indonesia.
  
  ## Etymology
  
  The specific name is derived from the Latin word cupreus, meaning "copper-colored".
  
  ## Description
  
  Individuals measure around 2.43–3.05 mm in length. The head, legs, and ventral surface are rust colored, and the elytra are a reddish-copper color. The pronotum can either be reddish-copper like the elytra, or it can be bronze or green.
  
  ## Range
  
  The species is found around elevations of 1,305–1,350 metres (4,281–4,429 ft) in Batu Dulang and Tepal on the island of Sumbawa, part of the Indonesian province of West Nusa Tenggara.
  
  ## Phylogeny
  
  T. cupreus is part of the T. dimorphus species group.
  
  