The combined action of insects, plant pathogens, E. crassipes phenological stage of its growth cycle and the weather conditions contributed together to the E. crassipes dramatic reduction at the Cruz Pintada Reservoir. This is the first experiences in Mexico that shows the feasible use
of combined biocontrol with insects and pathogens in a broad infested surface. Nevertheless, more research is needed to gather more data, which support with a higher level of confidence the efficacy of this approach of water hyacinth control and managemen