South American insect may hold key to controlling water hyacinth

[NewsWhore]

Water hyacinth is an fast-growing invasive plant that can clog waterways and choke the life out of a lake. But in its native South America the plant is kept in check by several insects that feed on it...

More... (http://story.brazilsun.com/index.php/ct/9/cid/24437442923341f1/id/33775653/)