Phyllachora maydis(PHYRMA)
Distribution details in United States of America (Virginia)
Current pest situation evaluated by EPPO on the basis of information dated
2025: Present, no details
* ipmPIPE. 2025. Tar spot. https://corn.ipmpipe.org/tar-spot/
------- in 1 county in 2022, and 2 additional counties in 2025
* Waibel KG, Goodnight KM, da Silva CR, Bonkowski JC, Creswell TC, Poudel P, Quinn DJ, Ruhl GE, Shim S, Weaver JC, Wise KA (2025) Tracking the distribution and risk of tar spot of corn in Indiana from 2015 to 2022. Plant Health Progress 26(4), 662-674. https://doi.org/10.1094/PHP-08-24-0082-S
------- in 1 county in 2022, and 2 additional counties in 2025
* Waibel KG, Goodnight KM, da Silva CR, Bonkowski JC, Creswell TC, Poudel P, Quinn DJ, Ruhl GE, Shim S, Weaver JC, Wise KA (2025) Tracking the distribution and risk of tar spot of corn in Indiana from 2015 to 2022. Plant Health Progress 26(4), 662-674. https://doi.org/10.1094/PHP-08-24-0082-S
| Country | State | Status | |
|---|---|---|---|
| Canada | Present, restricted distribution | ||
| Canada | Québec | Present, restricted distribution | |
| Canada | Ontario | Present, restricted distribution | |
| Mexico | Present, no details |