The sunn pest of Eurygaster spp. (Hemiptera: Scutelleridae) also known as sting or cereal bug, is one of the most economically important pest in the world. The study include conducting a field survey of wheat fields in Thi - Qar province to investigate the presence of the sunn pest, as the insect was observed for the first time in wheat fields of AL-Rifai district north of province, at the end of March, the survey was expanded to include other localities in province, AL-Dawaya, AL-Nasir, AL-Gharraf, AL-Shatra districs. A description of adult females belong to two species of sunn pest were identified as Eurygaster integriceps (Poton, 1898), and Eurygaster testudinaria (Goffary, 1758), from two loclaities of study region (AL-Rifai and AL-Dawaya), from the period during 23/March to 14/5/2020. One of the important opservation is the presence of efficient natural enemy of this pestrepresents by ants, the predator was identify as Camponotus spp.(Hymenoptera: Formicidae: Formicinae), as was noted killing the living insects and hiding them in their holes.