76, No. 3 (Sep., 1993), pp. 473-500 (28 pages) Emergence traps and plant quadrat samples were used to survey insects associated with monocultures of Pistia stratiotes (L.) in an abandoned aquaculture ...

Forcipomyia (Euprojoannisia) dolichopodida Chan & Linley (Diptera: Ceratopogonidae), collected from leaves of the water lettuce, Pistia stratiotes L., is described in all stages. It resembles F. (Eu.) ...

Rand Water is the implementation agent for the integrated control and management of the invasive alien plants - Pontederia crassipes (water hyacinth) and Pistia stratiotes (water lettuce ...

Together, these role players removed 70 tonnes of water lettuce (Pistia stratiotes) from the Vaal River – nine trucks full of water lettuce were driven away. This water lettuce has been growing ...