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Insects Feeding
on this Plant

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Ambrosia psilostachya
(Western Ragweed) [Asteraceae]
(Observations are from Vestal, Thomas, Campbell et al., Clark et al., and Wyoming Agr. Exp. Sta., Needham et al., Brust et al., Joern, Natural History Museum)

Coleoptera (Beetles)
Chrysomelidae: Exema dispar Clk2004, Microrhopala xerene Clk2004, Zygogramma suturalis Clk2004

Heteroptera (True Bugs)
Pentatomidae: Chlorochroa persimilis [found on plants] Vst1913, Chlorochroa uhleri Rid2009

Homoptera (Sucking Insects)
Aphididae: Uroleucon ambrosiae Th1877 [observed in Iowa]

Lepidoptera (Butterflies, Skippers, & Moths)
Cosmopterigidae: Cosmopterix opulenta [larvae are leafminers] Ndm1928; Gelechiidae: Helcystogramma chambersella NHM2010; Noctuidae: Schinia rivulosa (Ragweed Flower Moth) NHM2010, Schinia sexplagiata [this moth is found in the western half of the USA] NHM2010; Oecophoridae: Exaeretia gracilis (Ambrosia Seed Moth) [this moth is found mostly in the western half of the USA; syn. Depressariodes gracilis] NHM2010

Orthoptera (Grasshoppers)
Acrididae: Campylacantha olivacea (Fuzzy Olive-Green Grasshopper) [a preferred food plant; this grasshopper is found in prairies, fields, & roadsides] Cmp1974 BHW2008, Hesperotettix speciosus (Western Grass-Green Grasshopper) [a preferred food plant; this grasshopper is found on sandy hills & weedy areas] Cmp1974 BHW2008 Jor1985, Hesperotettix viridis (Snakeweed Grasshopper) [preferred food plant] Cmp1974 Wy1994, Hippiscus ocelote (Wrinkled Grasshopper) Cmp1974, Hypochlora alba (Cudweed Grasshopper) Cmp1974, Melanoplus angustipennis (Narrow-Winged Sand Grasshopper) [this grasshopper is found in sandy areas] Wy1994 BHW2008 Jor1985, Melanoplus bivittatus (Two-Striped Grasshopper) [this grasshopper is found in weedy areas, edges of fields, & weedy pastures] Cmp1974 Wy1994 BHW2008 Jor1985, Melanoplus borealis (Northern Grasshopper) Wy1994, Melanoplus confusus (Little Pasture Grasshopper) [a preferred food plant; this grasshapper is found in grassy open areas] Cmp1974 Wy1994 BHW2008, Melanoplus dawsoni (Dawson's Grasshopper) [a preferred food plant; this grasshopper is found in woodland openings & prairies] Wy1994 BHW2008, Melanoplus differentialis (Differential Grasshopper) Jor1985, Melanoplus femurrubrum (Red-Legged Grasshopper) [preferred food plant] Cmp1974 Jor1985, Melanoplus flavidus (Yellowish Spur-throated Grasshopper) [this grasshopper is often found in dry sandy areas] BHW2008 Jor1985, Melanoplus foedus (Striped Sand Grasshopper) Cmp1974 Wy1994 Jor1985, Melanoplus keeleri (Keeler's Grasshopper) [a preferred food plant; this grasshopper is found in prairies & weedy areas] Cmp1974 Wy1994 BHW2008, Melanoplus packardii (Packard's Grasshopper) [this grasshopper is found in open areas with heavier soil, weedy roadsides, & tallgrass prairie] Cmp1974 Wy1994 BHW2008, Melanoplus sanguinipes (Migratory Grasshopper) [this grasshopper is found in open areas, woodland openings, & roadsides] Cmp1974 Wy1994 BHW2008 Jor1985, Melanoplus scudderi latus (Scudder's Shortwinged Grasshopper) [preferred food plant] Cmp1974, Pardalophora haldemani (Haldeman's Grasshopper) Cmp1974, Spharagemon collare (Mottled Sand Grasshopper) [this grasshopper is found in open sandy areas] Wy1994 BHW2008, Syrbula admirabilis (Handsome Grasshopper) Cmp1974
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