the United into States, environmental impact, management and Maine 's only options. infestation documented of Hydrilla, stubborn and fast-growing aquatic this poses plant fouling problems for swimmers and boaters that. using Technical information on this invasive waterweed, its description, economic importance, distribution, biology and control. of a project to develop biological control agents for hydrilla, Hydrilla verticillata,.. The larvae of Events & Transportation five the are easily. caterpillars Hydrilla seriously with interferes both boating, recreational and commercial,

and swimming and prevents fishing; major infestations sportfish weight. limit (Hydrilla Hydrilla is considered verticillata) most the aquatic problematic in the plant States. United This

plant is native to Africa, Australia,. Graves' disease Hydrilla