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Entomology 4015: Ornamentals and Turf Entomology
  Web Quiz 3: Western Flower Thrips
 
Quiz 3 Instructions
  From your readings on the websites below and other websites, please answer the following questions. Answer the questions in an email message and put your name and quiz # in the email message subject. Answers should be emailed to pests@umn.edu. All enclosures must be labeled "last name, quiz #.doc or "last name, quiz #.rtf." Students may not copy each other's answers, although they are encouraged to discuss the assignment with their classmates. Please do not copy and paste text from the websites; instead, paraphrase or summarize your answers. Answers that appear too similar, or appear to be copied, will be given a grade of 0 that cannot be dropped.
Quiz 3 Questions
 

  1. What diseases do western flower thrips vector? (1 pt)

  2. How they are transmitted? Discuss mouthpart anatomy and thrips life stages. (1 pt)

  3. Develop an IPM program to detect and manage the diseases. Include the following and be specific:
      a.   Disease symptoms (1 pt)
      b.   Indicator plants (1 pt)
      c.   Test kits (1 pt)
      d.   Sticky cards (1 pt)
      e.   Cultural control (1 pt)
      f.   Biological control (1 pt)
      g.   Biorational and conventional insecticides (1 pt)

  4. Would you use biological control if the diseases were already present? (1 pt)
Quiz 3 Online Resources
 

  1. Western Flower Thrips in Commercial Greenhouses (University of Minnesota Extension Bulletin MI-07374)

  2. Western Flower Thrips Feeding Scars and Tospovirus Lesions on Petunia Indicator Plants (University of Minnesota Extension Bulletin MI-07375)

  3. Agdia DAS ELISA and ImmunoStrip test system for Impatiens Necrotic Spot Virus

  4. Agdia DAS ELISA and ImmunoStrip test system for Tomato Spotted Wilt Virus

  5. How to Manage Pests: Floriculture and Ornamental Nurseries (University of California IPM): Look up "Viruses and Viroid Diseases" and "Thrips"

  6. Understanding Biological Control in Greenhouses (University of Minnesota Extension Bulletin FO-06682)

  7. Ohio State Factsheet Database, enter a pest name into the search engine


Begonia with tomato spotted wilt virus


Cineraria infected with tospovirus

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Last modified on April 13, 2007