Megamelus scutellaris, a native of South America, was released in Florida in 2010 as a biological control agent for waterhyacinth, Eichhornia crassipes, an invasive aquatic plant. Waterhyacinth forms amalgamations on the water’s surface and blocks sunlight from reaching other plants below it, and depleting available oxygen in the water. Adult waterhyacinth planthoppers come in two…