Plethodontohyla inguinalis found under a root mass during the day in a small stream stream near the third camp in Maromizaha Forest near Anevoka, Madagascar.
Plethodontohyla inguinalis is a species of frog in the Microhylidae family. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. It is threatened by habitat loss.