Globodera pallida Stone 1973 (CABI)
Pale cyst nematode (PCN), white potato cyst nematode
Formerly known as Heterodera pallida
South America (Trudgill et al. 2006)
First discovered in Idaho in 2006 (APHIS 2015)
Mainly through the movement of contaminated soil (APHIS 2015)
Major pest of potatoes and related crops; uncontrolled infestations can reduce yields by 80% (APHIS 2015)
![White potato cyst nematode](/sites/default/files/styles/extra_large/public/media/image/white-potato-cyst-nematode-2131077.jpg?itok=jprxMNNe)
White potato cyst nematode symptoms
Photo by Bonsak Hammeraas; The Norwegian Institute of Bioeconomy Research, Bugwood.org
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APHIS. 2015. Pest Alert: Potato Cyst Nematodes [PDF, 1.07 MB]. U.S Department of Agriculture, Animal and Plant Health Inspection Service.
CABI. Invasive Species Compendium. Globodera pallida. CAB International. [Accessed Sep 21, 2023].
Trudgill, D.L., M.J. Elliott, K. Evans, and M.S. Phillips. 2006. The white potato cyst nematode (Globodera pallida) – a critical analysis of the threat in Britain. Annals of Applied Biology 143(1):73-80.