Theses and Dissertations from UMD

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New submissions to the thesis/dissertation collections are added automatically as they are received from the Graduate School. Currently, the Graduate School deposits all theses and dissertations from a given semester after the official graduation date. This means that there may be up to a 4 month delay in the appearance of a give thesis/dissertation in DRUM

More information is available at Theses and Dissertations at University of Maryland Libraries.

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Author: search.filters.author.Hoban, Jacqueline NicoleSubject: search.filters.subject.Agrilus planipennis

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    EFFECT OF HABITAT FACTORS AND HOST PLANT ON NATURAL ENEMIES OF EMERALD ASH BORER (AGRILUS PLANIPENNIS) AND IMPLICATIONS FOR BIOLOGICAL CONTROL
    (2017) Hoban, Jacqueline Nicole; Shrewsbury, Paula; Entomology; Digital Repository at the University of Maryland; University of Maryland (College Park, Md.)
    In an effort to manage the invasive wood-boring buprestid, emerald ash borer (Agrilus planipennis), biological control efforts have resulted in the release of four classical biological control agents. Emerald ash borer is known to infest ash trees (Fraxinus spp.) in both urban and natural habitats and, recently emerald ash borer has expanded its host range to include white fringetree (Chionanthus virginicus). While these parasitoids have been studied in forested habitats, little is known about their efficacy in urban landscapes and in white fringetree. Here, I evaluated the efficacy of Tetrastichus planipennisi an introduced, larval endoparasitoid, at parasitizing emerald ash borer in white fringetree. Additionally, I released T. planipennisi at sites along an urbanization gradient in Maryland and northern Virginia and evaluated habitat factors for their effect on emerald ash borer and its natural enemies. From my results, implications for biological control and management of emerald ash borer are discussed.