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Insects Feeding
on this Plant:

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Cirsium arvense
(Canada Thistle) [Asteraceae]
(Observations are from Marshall, Hottes & Frison, Rider, Clark et al., Cranshaw, Marcovitch, Gangwere, Robinson & Bradley, Charlet & Gavloski, Natural History Museum)

Coleoptera (Beetles)
Chrysomelidae: Cassida rubiginosa Clk2004, Oulema palustris Clk2004; Curculionidae: Larinus planus [intro. into N. America from Europe as biocontrol agent] Msh2006

Diptera (Flies)
Cecidomyiidae: Dasineura gibsoni (Canada Thistle Midge) [larvae feed within flowerheads] Mar1916; Tephritidae: Terellia ruficauda (Thistle Seed Maggot) [larvae feed on flowerheads & developing seeds] Mar1916, Urophora cardui [larvae form galls on stems, intro. into N. America from Europe as biocontrol agent] Msh2006

Heteroptera (True Bugs)
Pentatomidae: Cosmopepla lintneriana Rid2009, Euschistus servus [polyphagous] Rid2009, Euschistus variolaria Rid2009; Thyreocoridae: Corimelaena pulicarius Rid2009

Homoptera (Sucking Insects)
Aphididae: Aphis fabae (Black Bean Aphid) [polyphagous] RB1965, Aphis rumicis (Dock Aphid) [polyphagous] HF1931, Capitophorus elaeagni (Artichoke Aphid) RB1965, Uroleucon cirsii (Large Thistle Aphid) RB1965; Tingidae: Corythucha distincta (Distinct Lace Bug) Crw2004

Lepidoptera (Butterflies, Skippers, & Moths)
Noctuidae: Papaipema arctivorens (Northern Burdock Borer Moth) NHM2010, Papaipema nebris (Stalk Borer Moth) [polyphagous] NHM2010, Xestia c-nigrum (Lesser Black-letter Dart) NHM2010; Nymphalidae: Vanessa cardui (Painted Lady) [polyphagous] Crw2004 NHM2010; Tortricidae: Suleima helianthana (Sunflower Bud Moth) [larvae feed in leaf axils, flower buds, & receptacles of flowerheads] CG2011

Orthoptera (Grasshoppers)
Acrididae: Chortophaga viridifasciata (Green-striped Grasshopper) [lab observations] Ggw1961, Dissosteira carolina (Carolina Grasshopper) [feeds on leaves, field observations] Ggw1961, Melanoplus confusus (Little Pasture Grasshopper) [feeds on leaves, field observations] Ggw1961, Melanoplus femurrubrum (Red-legged Grasshopper) [nymphs feed on leaves, field observations] Ggw1961
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