• June 24, 2016,  APHIS Classifies the Potato Blackleg Pathogen, Dickeya dianthicola
  • January 20, 2015, APHIS Adds Pale Cyst Nematode (Globodera pallida) Regulated Areas in Idaho
  • May 21, 2013, APHIS Adds Pale Cyst Nematode, Globodera pallida, Regulated Areas in Idaho
  • January 25, 2013, Addition of Pale Cyst Nematode, Globodera pallida Regulated Areas in Idaho
  • July 3, 2012, Addition of Pale Cyst Nematode, Globodera pallida Regulated Areas in Idaho
  • February 28, 2012, Addition of Pale Cyst Nematode, Globodera pallida Regulated Areas in Idaho
  • September 29, 2011, Addition of Regulated Area in Idaho for Pale Cyst Nematode, Globodera pallida
  • August 29, 2011, Addition of Regulated Area in Idaho for Pale Cyst Nematode, Globodera pallida
  • May 13, 2011, Globodera pallida (Pale Cyst Nematode – PCN) – Addition of Regulated Area in Idaho
  • January 16, 2009, Potato Cyst Nematode (PCN) in Alberta, Canada
  • December 12, 2008, Detection of Pale Cyst Nematode (PCN) Globodera pallida in Idaho
  • July 14, 2008, Candidatus Liberibacter spp. as putative causal agent of Zebra Chip of potatoes
  • August 28, 2006, Federal Domestic Quarantine Order for Potato Cyst Nematode Globodera pallida (PCN); Interstate Movement Restrictions and Detection Survey
  • July 14, 2006, Potato Cyst Nematode (PCN), Globodera pallida, Update