Insects Feeding
on these Plants:
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Zannichellia palustris (Horned Pondweed) [Zannichelliaceae]
(observations are from Harms & Grodowitz)
Diptera (Flies)
Ephydridae: Hydrellia bilobifera [feeds on submerged leaves, found in Ohio & other areas of the USA] HG2009, Hydrellia notiphiloides [found in Ohio & Michigan] HG2009