Some Biological Parameters of Lucilia sericata M., (Diptera: Calliphoridae) Necrophagous Insect Breeding on Pig (Sus scrofa domesticus L.) and Beef’s (Bos indicus) Liver at the National Center of Floristic, Guinean Zone of Ivoiry Coast
Abstract:Article InfoInsects pledged to the corpses are increasingly used for the postmortem interval determining. The aim of this work is to study the biological parameters of Lucilia sericata colonizing the liver of mammals in the Guinean zone of Ivory Coast for use in forensic. The study of the biological parameters revealed that L. sericata is an holometabol insect with three larval stages in the developmental cycle and a pupal stage. A female of L. sericata has laid on average of 1438.86 ± 47.8 eggs on pig liver, … Show more
“…Seven (7) days after exposure, many third instar larvae began to move away from the decaying carcass to initiate the post-feeding instar occurring just before pupation. These observations are consistent with those of Yapo et al (2017) who studied some aspects of the biology of Lucilia sericata, whose larvae were raised on pig and beef liver. Between the 7th and 14th postmortem days, the number of larvae and adults belonging to the first group (Calliphoridae-SarcophagidaeMuscidae)decreased sharply.…”
Section: Process Of Colonization Of Pig Carcasses By Necrophagous Inssupporting
Article InfoThe aim of this work was to demonstrate the existence of a diverse necrophagous entomological fauna and the order in which these insects appear to colonize a decaying corpse in the open air in the southern forest zone of Côte d'Ivoire. At the three sites selected in the city of Abidjan, Calliphoridae Diptera (1058±129.73 individuals trapped), Sarcophagidae (317.33±14.38) and Muscidae (152.33±11.46), occurring between the 1st and 14th post mortem days, were the first group of insects that colonized the exposed pig carcasses. Between the 14th and the 28th day post mortem, a second group mainly composed of Piophilidae Diptera (767±87.30 individuals harvested) and Coleoptera belonging to the Cleridae (803.33±73.64) and Histeridae families(15.67±1.85), appeared. The family of Stratiomyidae (339.67±49.76 individuals trapped) occurred between the 35th and 42nd post mortem days. These formed with the Piophilidae and the Cleridae, the third group that stayed until the 91st day post mortem. During the advanced decomposition phase, the Coleoptera Dermestidae, Tenebrionidae and Trogiidae appeared. They were added to the necrophagous insects of the third group to constitute the fourth group.The identification of the necrophagous Diptera trapped, made it possible to note the preponderance of the genera Piophila spp. and Chrysomya spp. They represented for 29.12% and 26.57% respectively of the total number of Diptera trapped. The least represented genera were Musca spp. and Calliphora spp. with 5.78% and 3.45% of the total number of Diptera harvested. For Coleoptera, the Cleridae family was the most represented with 91.01% of the total number of individuals harvested at the three sites.As part of an entomological assessment to date a death, these first results give an overview of the entomological fauna existing in the Guinean zone of Côte d'Ivoire and the way it gradually colonizes, a corpse exposed to the outdoors.
“…Seven (7) days after exposure, many third instar larvae began to move away from the decaying carcass to initiate the post-feeding instar occurring just before pupation. These observations are consistent with those of Yapo et al (2017) who studied some aspects of the biology of Lucilia sericata, whose larvae were raised on pig and beef liver. Between the 7th and 14th postmortem days, the number of larvae and adults belonging to the first group (Calliphoridae-SarcophagidaeMuscidae)decreased sharply.…”
Section: Process Of Colonization Of Pig Carcasses By Necrophagous Inssupporting
Article InfoThe aim of this work was to demonstrate the existence of a diverse necrophagous entomological fauna and the order in which these insects appear to colonize a decaying corpse in the open air in the southern forest zone of Côte d'Ivoire. At the three sites selected in the city of Abidjan, Calliphoridae Diptera (1058±129.73 individuals trapped), Sarcophagidae (317.33±14.38) and Muscidae (152.33±11.46), occurring between the 1st and 14th post mortem days, were the first group of insects that colonized the exposed pig carcasses. Between the 14th and the 28th day post mortem, a second group mainly composed of Piophilidae Diptera (767±87.30 individuals harvested) and Coleoptera belonging to the Cleridae (803.33±73.64) and Histeridae families(15.67±1.85), appeared. The family of Stratiomyidae (339.67±49.76 individuals trapped) occurred between the 35th and 42nd post mortem days. These formed with the Piophilidae and the Cleridae, the third group that stayed until the 91st day post mortem. During the advanced decomposition phase, the Coleoptera Dermestidae, Tenebrionidae and Trogiidae appeared. They were added to the necrophagous insects of the third group to constitute the fourth group.The identification of the necrophagous Diptera trapped, made it possible to note the preponderance of the genera Piophila spp. and Chrysomya spp. They represented for 29.12% and 26.57% respectively of the total number of Diptera trapped. The least represented genera were Musca spp. and Calliphora spp. with 5.78% and 3.45% of the total number of Diptera harvested. For Coleoptera, the Cleridae family was the most represented with 91.01% of the total number of individuals harvested at the three sites.As part of an entomological assessment to date a death, these first results give an overview of the entomological fauna existing in the Guinean zone of Côte d'Ivoire and the way it gradually colonizes, a corpse exposed to the outdoors.
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