Caterpillars feed on various aquatic plants, e.g. white waterlily (
Nymphaea odorata, floating pondweed (
Potamogeton natans), small pondweed (
P. pusillus), Eurasian watermilfoil (
Myriophyllum spicatum), broadleaf watermilfoil (
M. heterophyllum), southern watergrass (
Hydrochtoa caroliniensis), spikerush (
Eleocharis vivipara, floating bladderwort (
Utricularia inflata), and salvinia (
Salvinia rotundifolia).
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