Shahid Beheshti University Advanced Environmental Sciences 3115-7173 4 13 2006 09 23 Determination of biodiversity and Fauna of Hoverflies (Dip: Syrphidae ) in Damghan (Semnan province)- Introducing 23 new records from Semnan province Determination of biodiversity and Fauna of Hoverflies (Dip: Syrphidae ) in Damghan (Semnan province)- Introducing 23 new records from Semnan province 100735 10.29252/envs.2006.100735 FA Raheleh Mehrabi M.Sc. Student in Zoo Biosystematic, Damghan Islamic Azad University Shahrokh Pashaei Rad Ph.D., Assistant Professor, Faculty of Biological Sciences, Shahid Beheshti University Abdol-Hossein Shiravi Ph.D., Assistant Professor, Damghan Islamic Azad University Farhad Amiri Moghaddam Biosystematics Zoologist, Shahid Beheshti University Journal Article 2021 02 16 https://envs.sbu.ac.ir/article_100735_580c839112779f62e7bbdfdc139240a9.pdf