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  1. Understanding Pesticides in Organic and Conventional Crop Production Systems

    https://ohioline.osu.edu/factsheet/anr-69

    Biocontrol example is shown by these aphids parasitized by wasps. Photo by Dr. David Shetlar, The Ohio State ...

  2. Fleas

    https://ohioline.osu.edu/factsheet/HYG-2081-11

    HYG-2081 01/05/2012 David J. Shetlar, Department of Entomology Jennifer E. Andon, Department of ...

  3. Billbugs in Turfgrass

    https://ohioline.osu.edu/factsheet/HYG-2502-12

    HYG-2502 Agriculture and Natural Resources 01/31/2012 David J. Shetlar and Jennifer E. Andon, ...

  4. Giant Caterpillars

    https://ohioline.osu.edu/factsheet/HYG-2015-11

    HYG-2015 09/20/2011 David Shetlar and Barb Bloetscher, Department of Entomology, Ohio State ...

  5. Common Insects and Associated Pests Attacking Bedding Plants and Perennials

    https://ohioline.osu.edu/factsheet/ENT-65

    ENT-65 05/13/2015 David J. Shetlar and Jennifer E. Andon, Department of Entomology Bedding plants ...

  6. Ants In and Around the Home

    https://ohioline.osu.edu/factsheet/hyg-2064

    HYG-2064 02/06/2013 David Shetlar, Barbara Bloetscher, and Jennifer Andon, Department of ...

  7. Proper Calibration and Operation of Backpack and Hand Can Sprayers

    https://ohioline.osu.edu/factsheet/fabe-531

    Agricultural and Biological Engineering, Ohio State University; Dr. Dave Shetlar, Professor ...

  8. Natural Organic Lawn Care

    https://ohioline.osu.edu/factsheet/hyg-4031

    Bluegrass Billbug Adult bluegrass billbug (photo by Dave Shetlar) Bluegrass billbug larvae (photo by Dave ... Shetlar) The most common billbug in Ohio is the bluegrass billbug,  Sphenophorus parvulus  Gyllenhal, ...

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