Invasive Species Courtesy . Invasive Species Introduced species Introduced species: any organism that was brought to an ecosystem.

Invasive SpeciesInvasive Species

Courtesy www.lab-initio.com

Invasive SpeciesInvasive Species Introduced speciesIntroduced species: any organism that was brought to an ecosystem as the result of human actions

Invasive speciesInvasive species: A species that takes advantage of an unoccupied niche, or that successfully out-competes native species

Kudzu:Kudzu: an invasive vinean invasive vine

U.S. Invasive Aquatic Plants U.S. Invasive Aquatic Plants Partial list:Brazilian Waterweed Caulerpa, Mediterranean Clone Common Reed Eurasian Watermilfoil Didymo Giant Reed Giant Salvinia Hydrilla Melaleuca Purple Loosestrife Water Chestnut Water Hyacinth Water Lettuce Water Spinach

HydrillaHydrilla

U.S. Invasive Aquatic U.S. Invasive Aquatic AnimalsAnimals

Partial list:Partial list:Alewife New Zealand Mud Snail Northern Snakehead Asian Carps Nutria Asian Swamp Eel Quagga Mussel Bullfrog Round Goby Chinese Mitten Crab Rusty Crayfish Eurasian Ruffe Sea Lamprey European Green Crab Sea Squirt Flathead Catfish Spiny Water Flea Lionfish Veined Rapa Whelk

Zebra Mussel

Zebra MusselZebra Mussel

U.S. Invasive InvertebratesU.S. Invasive InvertebratesPartial list:Partial list:Africanized Honeybee Asian Citrus Psyllid Asian Long-Horned Beetle Asian Tiger Mosquito Cactus Moth Emerald Ash Borer European Gypsy Moth European Spruce Bark BeetleFormosan Subterranean Termite Giant African Snail Glassy-Winged Sharpshooter Hemlock Woolly Adelgid Light Brown Apple Moth Mediterranean Fruit Fly Mexican Fruit Fly Pink Hibiscus Mealybug Red Imported Fire Ant Russian Wheat Aphid Silverleaf Whitefly Sirex Woodwasp Soybean Cyst Nematode

U.S. Invasive VertebratesU.S. Invasive VertebratesPartial list:Partial list: At Risk of Widespread At Risk of Widespread Brown Tree Snake IntrusionIntrusionCane Toad Constrictor snakesEuropean Starling Boiga snakesWild Boar Gambian pouch ratHouse SparrowNutria

European StarlingEuropean StarlingCane ToadCane Toad

U.S. Invasive PlantsU.S. Invasive Plants

Yellow Star ThistleYellow Star Thistle

U.S. Invasive MicrobesU.S. Invasive MicrobesAnimal Pathogens Animal Pathogens Avian Influenza Exotic Newcastle Disease Fowlpox Viral Hemorrhagic Septicemia West Nile Virus Whirling Disease Plant PathogensPlant PathogensCitrus Canker Citrus Greening Plum Pox Southern Bacterial Wilt Soybean Rust Sudden Oak Death

West Nile VirusWest Nile Virus

Citrus CankerCitrus Canker