• The decline of water hyacinth on Lake Victoria was due to biological control by Neochetina spp. 

      Wilson, J.R.U.; Ajuonu, O.; Center, T.D.; Hill, M.P.; Julien, M.H.; Katagira, F.F.; Neuenschwander, P.; Njoka, S.W.; Ogwang, J.; Reeder, R.H.; Van, T. (Elsevier B.V., 2007)
      There has been some debate recently about the cause of the decline of water hyacinth on Lake Victoria. While much of this evidence points to classical biological control as the major factor, the El Niño associated weather ...