Some additional notes about Heteroptera fauna of Qaradag forests-IranAbstract : A survey was conducted on Heteroptera fauna of Qaradag forests, in east Azarbaijan province during 2008-2009. As many as 1560 specimens were collected from trees, weeds, overwintering places, soil and water. In this study 47 species belonging to 17 families were collected and identified. Among them, the species Anthocoris nemorum (Linnaeus, 1761), Nabis pseudoferus (Romane, 1949), Notonecta viridis (Delcourt, 1909), Velia affinis (Kolenati, 1857), Gerris maculates (Tamanini, 1946) and Hydrometra stagnorum (Linnaeus, 1758) are predators. Species belonging to Pentatomidae had the most frequency. Out of verified materials, 32 species are as new records for studied area. The species, Stinctopleurus crassicornis and Stinctopleurus punctatonervosus, are newly introduced for Iran insect fauna which are described at present study.