Seyed Yousef Mousavi-Rashedi - Department of Biology, Payam-e Noor University, Tehran-shargh Unit, Tehran, Iran.
Mohsen Mofidi-Neyestanak - Insect Taxonomy Research Department and Hayk Mirzayans Insect Museum, Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization, Iran.
Fatemeh Shahbazi - Department of Biology, Payam-e Noor University, Karaj Unit, Karaj, Iran.

This study is aimed to explore the fauna of grasshoppers and locusts (Orthoptera) within the county of Dasht-e Azadegan (Khuzestan Province), where is placed a vast plain with geographical coordinates of ۴۷°۴۲′ to ۴۸°۲۸′ E and ۳۱°۲۴′ to ۳۲°۵۷′ N. Sampling carried out since March ۲۰۱۵ until end of August ۲۰۱۶ using insect sweeping net and also light torch at eleven selected sites and continued for the duration of all seasons of each year every one month. The collecting sites were selected to cover the whole area in terms of climate, sea level, and vegetation. Referring to morphological identification keys and comparing the result with the type of material deposited at Hayk Mirzayans Insect Museum, out of ۱۷۷۰ specimens, four Families, ۱۱ Subfamilies, ۲۱ genera and ۲۵ species enlisted. Out of which, one genus, and two species were discovered to be new to the fauna of Iran. Based on the yielded statistics, Aiolopus thalassinus is candidates as the most frequent species in the area.

Dasht-e Azadegan, fauna, Iran, grasshopper, new record