Minnesota Department of Agriculture's New and Established ...

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Minnesota Department of Agriculture's New and Established ...

Minnesota Department of Agriculture’sNew and Established BiologicalControl ProgramsMonika Chandler, Minnesota Department of AgricultureJ. Plunkett


When to use biocontrol?• Large infestation• Environmentally sensitive area• Other single control methods areineffective or too costly• Integrate with other control methods• Long-term, sustainable management


EAB Biological ControlAdult emerald ash borer beetle, Agrilus planipennis (A) and theparasitoids that control it in China including the egg parasitoid,Oobius agrili (B), and two larval parasitoids, Tetrastichus planipennisi(C) and Spathius agrili (D).


Emerald Ash Borer(EAB)M. Abrahamson


Oobius agriliUSDAH. Liu, USDA


J. LelitoSpathius agriliJ. Lelito


J. LelitoTetrastichus planipennisi


Data Collection and Monitoring


Bioagent ReleaseRelease totals:Spathius agrili: 1,172Tetrastichus planipennisi: 2,154


EAB ManagementWikimedia CommonsJ. Lelito


Gypsy Moth Biocontrol


Data Collection and Monitoring


Leafy Spurge, Euphorbia esula


Leafy Spurge Beetles, Aphthona spp.


SpurgeDecreaseFrom BeetleDamage


Spotted Knapweed, Centaureabiebersteinii


Seedhead Weevils, Larinus spp.P. Samerdyke, WI DNR


Root Weevils, Cyphocleonus achates


Canada ThistleBiological ControlResearch ProjectStem weevil,Ceutorhynchus litura


Common Tansy, Tanacetum vulgare


Biocontrol CandidatesCassida stigmaticaRhopalomyia tanaceticolaAll rights reserved © JeffHiggottIsophrictis striatellaPhytoecia nigricornisLongitarsus noricusMicroplontus millefollii


Contact InformationMonika Chandler, Monika.Chandler@state.mn.usMinnesota Department of Agriculture, 651-201-6537

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