This is a map is showing distribution of nematode pests in United States by state
No pest nematodes are found in the following states: Alaska, Arizona, Connecticut, District of Columbia, Maine, Massachusetts, Montana, New Hampshire, Rhode Island, Vermont and Wyoming.
Soybean cyst nematode only is found in Alabama, Arkansas, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Jersey, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, South Carolina, South Dakota, Tennessee and Wisconsin.
Columbia Root Knot nematode only is found in Colorado, Nevada, New Mexico and Utah.
Both Soybean cyst nematode and Columbia Root Knot nematode are found in Texas.
Golden nematode is found in New York.
Potato Rot nematode, Soybean cyst nematode and Columbia Root Knot nematode are all found in Virginia.
Potato Rot nematode only is found in West Virginia.
Both Potato Rot nematode and Columbia Root Knot nematode are found in California, Idaho, Oregon and Washington.