Forensic Sciences arouse curiosity and interest, presenting several aspects, one of them is Forensic Entomology, which studies insects in the following areas: urban, stored products and medico-legal. By analysing the data found, some of the following knowledge can be obtained: estimation of time of death, displacement of the corpse, in addition to the analysis of mistreatment, narcotics, damage to real estate by insects, presence of insects in food, among others. This book brings the results of a research carried out with three carcasses of domestic pigs, this animal was chosen for its histological similarity to humans, when analysing the results, it provided a knowledge of the necrophagous dipterans of the place, together with a possible pattern of species that can be used in estimating the time of death and the need for more studies in the area, for a greater compilation of data.