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Biological Control and Ecological Impacts of Spotted Knapweed (Centaurea maculosa) in the Upper Peninsula of Michigan
Jordan Marshall, Andrew J Storer
  • As in previous studies, areas with spotted knapweed present show lower native plant species diversity.
  • Insect groups are sensitive to spotted knapweed.
  • Dune stabilization from spotted knapweed may alter the disturbance regime of the dunes
Pteromalus purpureiventris (Hymenoptera: Pteromalidae) found parasitoid utilizing Urophora quadrifasciata larvae in spotted knapweed seed heads.
School of Forest Resources and Environmental Science
Michigan Technological University
1400 Townsend Drive
Houghton, MI 49931
(906) 487-3470

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