Evaluations on insect species of various ecologies have been conducted in the provinces(Adıyaman, Batman, Gaziantep, Diyarbakır, Mardin, Siirt, Şanlıurfa, Şırnak) of SoutheasternAnatolia region between the years 1948-2013. During this study a total of 187 specieswere found in 8 families and in 8 superfamilies of Hemiptera (Suborder Heteroptera).Those superfamilies are Gerroidea, Hebroidea, Corixoidea, Notonectoidea, Leptopodoidea,Cimicoidea, Naboidea, and Miroidea. The distribution of determined insect typesaccording to the provinces, plant hosting and feeding type was also included. Informationabout their identification, host plants, and distribution in Southeastern Anatolia Region ispresented as detailed.