forewing and hindwing dark brown or blackish with silvery-white patch in medial area, and sparse white dots; abdomen dark with white ring around each segment, and stout triangular or cone-shaped terminal segment
Genitalia:
Range
Michigan, Ontario, and New York, south to Florida, west to Texas
Habitat
larvae develop in standing water in swamps and wet woods where food plant grows; adults are nocturnal and attracted to light
Season
adults fly from July to September
Food
larvae feed on duckweed (Lemna spp.)
See Also
Waterlily Leafcutter Moth (Elophila obliteralis) is larger and has patterned wings with brown and white markings
forewing of Langessa nomophilalis is more slender, and hindwing is pale with black and white markings at anal angle (see pinned images)
Print References
Kinser, P.D., Neunzig, H.H., 1981. Description of the immature stages and biology of Synclita tinealis Lepidoptera Pyralidae Nymphulanae. Journal of The Lepidopterists' Society, 35(2): 137