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Invasive microbes are introduced microorganisms which are usually single-celled, or too small for the unaided eye to see, including bacteria, viruses, protists, and fungi.

What is an Invasive Species?

Use our Microbes Custom Search Engine to search for invasive species information included in this section of NISIC's site:

Species Profiles

Southern bacterial wilt Fowlpox lesions on chicken Soybean rust damage Whirling disease on trout

Listed below are the microbial species for which we have completed species profiles - general information about microbial species commonly known as invasive. This is not a list of all invasive microbial species, nor does it have any regulatory implications. These profiles are provided as an educational informational tool.

Animal Invasive Pathogens

Avian Influenza (Orthomyxoviridae, Influenza Type A)
Fowlpox (Avipoxvirus)
Viral Hemorrhagic Septicemia (Novirhabdovirus)
Virulent Newcastle Disease (Avian paramyxovirus 1)
West Nile Virus (Flavivirus)
Whirling Disease (Myxobolus cerebralis)
White-Nose Syndrome (Pseudogymnoascus destructans)
Zika Virus Disease New

Plant Invasive Pathogens

Beech Bark Disease (Neonectria spp.)
Butternut Canker (Sirococcus clavigignenti-juglandacearum)
Chestnut Blight (Cryphonectria parasitica)
Citrus Canker (Xanthomonas axonopodis)
Citrus Greening (Liberibacter asiaticus)
Dogwood Anthracnose (Discula destructiva)
Dutch Elm Disease (Ophiostoma ulmi and Ophiostoma novo-ulmi)
Gladiolus Rust (Uromyces transversalis)
Karnal Bunt (Tilletia indica)
Late Blight (Phytophthora infestans)
Laurel Wilt (Raffaelea lauricola)
Plum Pox (Potyviruses: Potyviridae)
Southern Bacterial Wilt (Ralstonia solanacearum)
Soybean Rust (Phakopsora pachyrhizi, Phakopsora meibomiae)
Sudden Oak Death (Phytophthora ramorum)
Thousand Cankers Black Walnut Disease (Geosmithia morbida)
White Pine Blister Rust (Cronartium ribicola)

Species not Established in the U.S.
Provides examples of species of concern and why we must increase our efforts in early detection and rapid response and the prevention of new introductions.

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Last Modified: Jul 13, 2018
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