Adlappa is a monotypic genus of grasshoppers belonging to the family Acrididae.

The only species is Adlappa erythroptera.

[1] It is a pale green color with prominent spots on the fore-wings and hind femur, with pale reddish wings.

Adult females are around 44mm in length and males are 28mm in length.

[2] It is usually found in the eucalyptus woodland of north Australian savannas.