Key to the species of Acanthotingis Monte

1. Paranota with three to four stout spines; costal margins of hemelytra devoid of spines; subcostal area of hemelytra with four rows of small cells........................................................... Acanthotingis apicicornis Monte

- Paranota with three or four spinules and a series of small spinules along posterior lateral margins; costal margin of hemelytra with a series of small spinules; subcostal area of hemelytra with two rows of cells......... Acanthotingis deltoides sp. nov.