Center For Exotic Species Spotted Knapweed

• 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
  
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Pteromalus purpureiventris (Hymenoptera: Pteromalidae) found parasitoid utilizing Urophora quadrifasciata larvae in spotted knapweed seed heads.