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Graduate Student Publication in Journal of Pest Science

12/9/2016

 
Post-doc Christopher Taylor (Hamby Lab), graduate student Veronica Johnson (Hooks Lab), and Professor Emeritus Dr. Galen Dively have a new publication titled, "Assessing the use of antimicrobials to sterilize brown marmorated stink bug egg masses and prevent symbiont acquisition" in Journal of Pest Science. You can read the abstract below and find the full feature here. Congratulations on your achievement!
Abstract:

The brown marmorated stink bug,
Halyomorpha halys (Stål), is dependent on a beneficial obligate symbiont for successful development, survival, and fecundity. The bacteria are deposited on the egg mass surface by the female, and first instar nymphs become inoculated with the bacteria by feeding on the egg chorions upon hatching. Targeting the bacteria exposed on the egg mass surface may prove to be a viable management strategy for the stink bug. Egg masses were surface-treated with several antimicrobials and surfactants to determine whether exposure to these products adversely affected the fitness of newly hatched nymphs and/or sterilized the egg mass surface to prevent nymphal acquisition of the symbiont. Laboratory results showed that egg hatch rate was significantly reduced by Agri-Mycin and Naiad, nymphal survival was significantly impacted by AzaGuard and Naiad, and symbiont acquisition was significantly disrupted by Naiad, AzaGuard, and Liquid Copper Fungicide. Under field conditions, there were no significant treatment effects on nymphal survival or symbiont acquisition, but egg hatch rate was reduced by Naiad and Triton-X. Products with both antimicrobial effects and the ability to penetrate the coating covering the bacteria provided the best chance for disrupting symbiont acquisition.

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Department of Entomology 
University of Maryland 
4112 Plant Sciences Building 
College Park, MD 20742-4454
USA

Telephone: 301.405.3911 
Fax: 301.314.9290
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  • About
    • At a Glance
    • Welcome From the Chair
    • Code of Conduct
    • Diversity, Equity, and Inclusion >
      • DEI Working Group
      • Resources
    • Departmental History
    • For Alumni
    • Support Entomology >
      • Steinhauer Scholarship Fund
    • Proposal Resources
    • Contact >
      • Directions
  • News
    • News
    • Seminar Blog
    • Seminar Schedule
    • Awards
  • People
    • Faculty
    • Post Docs
    • Students
    • Staff
    • Alumni
  • Academics
    • Graduate >
      • Admissions
      • MS Degree Requirements
      • PhD Degree Requirements
      • Graduate Student Resources
      • Financial Assistance
      • Award & Funding Opportunities
      • Entomology Student Organization
    • Online Masters in Applied Entomology
    • Undergraduate >
      • Entomology Minor
      • Honors Program
  • Research
    • IPM & Biological Control of Agricultural, Urban & Forest Pests
    • Ecology, Conservation, Restoration, Climate Change >
      • Pollinator Science and Apiculture
    • Evolution, Systematics and Evo-Devo
    • Genetics & Genomics and Medical Entomology
  • Extension/Outreach
    • Educational Outreach
    • Insect Camp
    • Insect Drawings
    • Insect Identification
    • Pesticide Education and Assessment Program
    • Plant Diagnostic Laboratory (PDL)