Teouma River, Efate in 2004 before (top) and in 2008 after (bottom) Neochetina eichhorniae was released to control E. crassipes.

 
 
  Part of: Day MD, Bule S (2016) The status of weed biological control in Vanuatu. In: Daehler CC, van Kleunen M, Pyšek P, Richardson DM (Eds) Proceedings of 13th International EMAPi conference, Waikoloa, Hawaii. NeoBiota 30: 151–166. https://doi.org/10.3897/neobiota.30.7049