Insects Feeding
on this Plant:
____________
Silphium perfoliatum (Cup Plant) [Asteraceae]
(observations are from Knight, Clark et al., Hottes & Frison, Henderson & Sauer, Marcovitch, Miller, Pepper, Charlet & Gavloski, Lisberg & Young, Natural History Museum, and Wilhelm & Rericha, Williams)
Coleoptera (Beetles)
Chrysomelidae: Microrhopala laetula Clk2004, Microrhopala vittata (Goldenrod Leaf-Miner) [larvae mine leaves] Mar1916, Systena hudsonias [adults feed on foliage] WR2017; Coccinellidae: Cycloneda munda (Polished Lady Beetle) [preys on the aphids Uroleucon ambrosiae & Uroleucon rudbeckiae when they feed on this plant] WR2017; Curculionidae: Smicronyx sordidus (Gray Sunflower Seed Weevil) [larvae feed on seeds] CG2011; Mordellidae: Mordellistena convicta [larvae bore through stems] LY2003
Heteroptera (True Bugs)
Miridae: Poecilocapsus lineatus [feeds on leaves] Wm2004, Slaterocoris hirtus Kn1941
Homoptera (Sucking Insects)
Aphididae: Uroleucon ambrosiae (Brown Ambrosia Aphid) [possible misidentification of aphid; feeds on plant sap from inflorescences] Pp1965 WR2017, Uroleucon rudbeckiae (Golden Glow Aphid) [possible misidentification of aphid; feeds on plant sap from inflorescences] HF1931 WR2017
Hymenoptera (Bees, Wasps, & Sawflies)
Cynipidae: Antistrophus jeanae [larvae live in stems] HS2010, Antistrophus silphii [larvae form large globoid galls on upper stems] HS2010 WR2017
Lepidoptera (Butterflies, Skippers, & Moths)
Noctuidae: Papaipema silphii (Silphium Borer Moth) [larvae bore through stems & roots] NHM2010; Tortricidae: Eucosma giganteana (Giant Eucosma) [larvae feed on terminal growth, including buds & flowerheads, and they may later bore into stems or roots] Mlr1987 NHM2010