Insects Feeding
on these Plants:
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Potamogeton alpinus (Northern Pondweed) [Potamogetonaceae]
(observations are from Harms & Grodowitz)
Coleoptera (Beetles)
Chrysomelidae: Donacia cincticornis [feed on roots & leaves, observed in Michigan] HG2009, Donacia hirticollis [feeds on roots & leaves, found in NE USA & Canada, including Michigan] HG2009
Diptera (Flies)
Ephydridae: Hydrellia ascita [larvae feed on submerged leaves, found in Ohio & Michigan] HG2009, Hydrellia cruralis [larvae feed on submerged leaves, rarely on floating leaves; found in NE USA, including Michigan] HG2009, Hydrellia luctuosa [larvae feed on submerged leaves, rarely on floating leaves; found in Michigan] HG2009, Notiphila loewi [larvae feed on roots, found in Ohio & Michigan] HG2009; Scathophagidae: Hydromyza confluens [larvae feed on roots; found in Michigan, Minnesota, & elsewhere] HG2009
Trichoptera (Caddisflies)
Leptoceridae: Triaenodes marginatus [larvae feed on submerged leaves; found in E. USA, including Michigan] HG2009