Piletocera mesophaealis is a species of moth in the family Crambidae (the grass moths). It was first described by the British entomologist George Hampson in 1917. The species is recorded from Papua New Guinea.
Little published information is available regarding its specific morphology, larval host plants, or behavior. The species is classified within the genus Piletocera, which belongs to the subfamily Spilomelinae of the family Crambidae. The taxonomic authority for the species is Hampson, 1917.
