Insects Feeding
on these Plants:
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Sparganium angustifolium (Narrow-Leaved Bur-Reed) [Sparganiaceae]
(observations are from Harms & Grodowitz)
Coleoptera (Beetles)
Chrysomelidae: Donacia hirticollis [feeds on roots and/or leaves; found in NE USA & Canada, including Michigan] HG2009, Donacia subtilis [feeds on roots and/or leaves; found in E. USA & SE Canada] HG2009