McDonough, Michael J.Gerace, DanielAscerno, Mark E.2009-07-012009-07-011999McDonough, M., Gerace, D., Ascerno, M. 1999. Western Flower Thrips in Commercial Greenhouses. University of Minnesota Extension Service Publication PC-7374-E.https://hdl.handle.net/11299/518096 pages. Illustrated. See also "Western Flower Thrips Feeding Scars and Tospovirus Lesions on Petunia Indicator Plants" (MI-7375-C/PC-7374-E), which includes photographs.This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.Discusses the most difficult pest according to Midwest greenhouse operators: western flower thrips (WFT). Describes their appearance, biology, life cycle, behavior, plant damage, mouthpart anatomy, plant virus transmission, and tospoviruses. Goes on to explain how to manage WFT through physical exclusion, cultural controls, monitoring and indicator plants, biological controls, and chemical control.en-USFrankliniella occidentalisgreenhouse productionWestern Flower Thrips in Commercial GreenhousesManual or Documentation