Orthogalumna terebrantis Wallwork, 1965 (water hyacinth mite)

Distribution. Eichhornia crassipes (Mart.) Solm­Laubach (common water hyacinth) ( Pontederiaceae); Zambezi River (Julien 2001), Kafue River (Hill 1997).

Remarks. This mite, first discovered in Uruguay (Wallwork 1965), was released in Zambia in 1971 to control E. crassipes (Julien 2001) . It became widely established (Hill 1997).