The main objective of this study was to determine the suitability of using introduced hydrilla leaf-mining flies (Hydrellia pakistanae Deonier and H. balciunasi Bock) for the management of monoecious hydrilla (Hydrilla verticillata (L.f.) Royle). This was accomplished using a variety of procedures and experimental designs, including small container bioassays, development of a greenhouse-based fly colony reared exclusively on monoecious hydrilla, a larger tank study designed to evaluate short-term impact on ...
This technical note summarizes the development and application of mass-rearing techniques using ponds at the U.S. Army Engineer Research and Development Center (ERDC) Lewisville Aquatic Ecosystem Research Facility (LAERF), Lewisville, TX for the biological control agents Hydrellia pakistanae Deonier and H. balciunasi Bock for use on Hydrilla verticillata (L.f.) Royle. Information is provided on rearing methods, releases, and associated costs.
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