Descriptions of the larval morphology of two Iberian Sterrhinae taxa in the genus Scopula Schrank, 1802 subgenus Glossotrophia Prout, 1913 are provided: Scopula (Glossotrophia) rufomixtaria (Graslin, 1863): larval chaetotaxy: L4 and Scopula (Glossotrophia) asellaria dentatolineata Wehrli, 1926: larval chaetotaxy: L5. Original data is also provided on their biology which includes phenology, food-plants and parasitoids.