A large lime-green Stink Bug. It has thin black lines along the abdominal segments. This one had been injured, maybe by a bird. 1.5 cm in length. Family Pentatomidae.
On rocks along the river, Chorreadero Park, Chiapa de Corzo, Chiapas, Mexico.
Thank you to WonGun Kim of iNaturalista for the identificaton. https://www.naturalista.mx/taxa/296229-C... https://www.biodiversidadvirtual.org/ins... https://bugguide.net/bgimage/recent/2513... http://v3.boldsystems.org/index.php/Taxb...