Philaenarcys is a genus of spittlebugs in the family Aphrophoridae. There are at least three described species in Philaenarcys.
Species These three species belong to the genus Philaenarcys: Philaenarcys bilineata (Say, 1831) (prairie spittlebug) Philaenarcys killa Hamilton, 1979 Philaenarcys spartina Hamilton, 1979
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