Arthropods represent one of the most important invertebrates to arrive and colonize carrion. Objective: The present investigation aimed to determine the arthropods fauna of forensic importance that colonizes carrion in an aerated environment during Spring season in Assiut, Egypt. Methods: Experimental models rates were killed and divided into Seven groups three rats in each group. Group 1;Control, Group 2 ; Drowning, Group 3;Electro cusion, Group 4 ;Stab of the heart, Group5; Heart-abdomen stab, Group 6;Cold and Group 7; Burn. Rats were used to determine succession in an aerated area during the spring of 2018 in Assiut governorate,Egypt. Results: The present results indicated that the arthropods of forensic importance, represented by the thirteen taxa belong to phylum Arthropoda and 10 families, Family: Calliphoridae represented by Chrysomya albiceps (5%), Family: Muscidae represented by Musca domestica (33%), Family: Sarcophagidae represented by Sarcophaga sp.(23%), Wohlfahrtia magnifica (22 %)and Parasarcophaga orgyrostama( 2%), Family: Dermestidae represented by Dermestes maculates(1 %) and Dermestes frischi(1 %), Family: Histeridae represented by Saprinus sp. (4 %), Family: Pteromalidae represented by Nasonia sp. (2 %), Family: Lycosidae represented by spider ( 3%), Family: Pyroglyphidae represented by Dermatophagoides sp. (1 %), Family: Cimicidae represented by Cimex lectularis (2 %) and Family: Porcellionidae represented by Porcellionides pruinosus (1 %). Conclusion: The present investigation submitted a basis for further studies dealing with arthropods colonization of carrions.