Insects Feeding
on these Plants:
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Silphium spp. (Silphium) [Asteraceae]
(Observations are from Clark et al., Miller, Natural History Museum, Panzer et al.)
Coleoptera (Beetles)
Chrysomelidae: Exema dispar Clk2004, Myochrous intermedius [host plant identified as rosinweed] Clk2004
Lepidoptera (Butterflies, Skippers, & Moths)
Choreutidae: Tebenna silphiella (Rosinweed Moth) [larvae skeletonize leaves; Silphium integrifolium is the primary or sole host plant] Pnz2006; Noctuidae: Hydraecia immanis (Hopvine Borer Moth) [larvae bore through lower stems & roots] NHM2010 Pnz2006, Papaipema silphii (Silphium Borer Moth) [larvae bore through stems & roots of several Silphium spp.] NHM2010 Pnz2006, Tricholita notata (Marked Tricholita) [larvae feed on young leaves; Silphium terebinthinaceum is a known host plant] Pnz2006; Tortricidae: Eucosma bipunctella (Two-spotted Compassplant Borer) [larvae bore into roots or may feed on other plant parts; Silphium laciniatum is the primary or sole host plant] Mlr1987 NHM2010 Pnz2006, Eucosma fulminana [little seems to be known about this moth] Pnz2006, Eucosma giganteana (Giant Eucosma) [larvae feed on terminal growth, including buds & flowerheads, and they may later bore into stems or roots; Silphium perfoliatum is the primary or sole host plant] Mlr1987 NHM2010 Pnz2006