Cockfield, S. D., Tree Fruit Research and Extension Center Washington State University 1100 N. Western Avenue Wenatchee, WA 98801, United States

• Journal of the Entomological Society of British Columbia Vol. 104 (2007): Journal of the Entomological Society of British Columbia - Articles
  Phenology of western flower thrips Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) on plant species in and near apple orchards in Washington State
  Abstract  PDF