Introducing Compsobuthus matthiesseni (Birula, 1905) scorpion as one of the major stinging scorpions in Khuzestan, Iran

Khuzestan province has the highest rate of scorpion sting in Iran. This is a study to identify these scorpions in Khuzestan. In this study 418 scorpions were kept in the ethyl alcohol 70%, each being studied by stereomicroscopy and diagnosis key separately. 120 (28.7%) Androctonus crassicauda, 104 (24.9%) Hemiscorpius lepturus, 91 (21.7%) Mesobuthus eupeus, 86 (20.65%) Compsobuthus matthiesseni, 14 (3.35%) Hottentotta saulcyi, 2 (0.5%) Orthochirus scrobiculosus and 1 (0.25%) Hottentotta schach were identified. H. lepturus is in the Hemiscorpiidae family and the rest are in Buthidae. C. matthiesseni is the most frequent and O. scrobiculosus is the least frequent newly identified scorpion. This study adds two new sting scorpions to the previous list of 8 identified scorpions in Iran.