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Postmortem interval estimation based on Chrysomya albiceps (Diptera, Calliphoridae) in a forensic case in the Andean Amazon, Caquetá, Colombia Acta Amazonica
RAMOS-PASTRANA,Yardany; WOLFF,Marta.
ABSTRACT This is the first application of forensic entomology in a case involving a human corpse found in the urban area of the Municipality of Florencia, Caquetá, Colombia, in the Piedemont of the Colombian Amazon. Three days after removing the body from the scene, pupae and puparia were collected and identified as Chrysomya albiceps (Wiedemann, 1819) (Diptera, Calliphoridae). The postmortem interval was estimated on the basis of previously published data and verified through accumulated degree hours (ADH) and intrapuparial development. The estimated minimum postmortem interval was of 229 hours (9.5 days).
Tipo: Info:eu-repo/semantics/report Palavras-chave: Forensic science; Carrion insetcs; Death time; Amazon rainforest.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672017000400369
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Intra-puparial development of Lucilia eximia (Diptera, Calliphoridae) Acta Amazonica
RAMOS-PASTRANA,Yardany; LONDOÑO,Carlos Andres; WOLFF,Marta.
ABSTRACT There are few studies about the intra-puparial development in Diptera, nonetheless its importance has been increased because several dipteran species are of forensic interest. Studies on the life cycles of flies often disregard the changes that occur inside the pupae. The objectives of this research were to analyze the intra-puparial development of Lucilia eximia, and to describe chronological and morphological changes that occur during this stage. Around 1.600 specimens were laboratory-reared. The pre-pupae were identified by the reduction of their size and change in coloration, and 10 individuals were sampled every three hours (n=1.000) until adult emergence. The specimens were fixed in 96% alcohol, subsequently immersed in Canoy solution for 24...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Immature insects; Metamorphosis; Forensic entomology; Postmortem interval.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672017000100063
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Insects of forensic importance associated to cadaveric decomposition in a rural area of the Andean Amazon, Caquetá, Colombia Acta Amazonica
RAMOS-PASTRANA,Yardany; VIRGÜEZ-DÍAZ,Yenny; WOLFF,Marta.
ABSTRACT Forensic entomology is a frequently used tool to estimate the time interval between death and the discovery of the corpse. Succession of arthropods associated with cadaveric decomposition was monitored in a rural area of the Municipality of Florencia, Department of Caquetá, Colombia. Three pigs (Sus scrofa) were used as study models. Insect sampling, and monitoring of carcasses and environmental conditions were carried out every five hours. The total time from death to skeletonization was of 545 hours (22.7 days). A total of 30833 insect individuals were collected. Specimens were distributed in nine orders, 46 families, 95 genera and 106 species. Diptera was the most abundant, with 23215 individuals (75.3%), followed by Coleoptera, with 3711...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cadaveric decomposition; Carrion; Forensic entomology; Colombian Amazon.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672018000200126
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New record of Blepharicnema splendens (Diptera, Calliphoridae, Luciliini) and range expansion in Caquetá, Colombia Acta Amazonica
RAMOS-PASTRANA,Yardany; CÓRDOBA-SUAREZ,Eric; WOLFF,Marta.
ABSTRACT Blepharicnema splendens is a dipteran with occurrence restricted to the Neotropical Andean mountain forests from 1,400 to 2,500 masl. We surveyed the species using Van Someren-Rydon traps with decaying fish as bait in four sites (veredas) in the Eastern Cordillera, in the Municipality of Florencia, Caquetá, Colombia. A total of 221 individuals were collected in the four localities. The Vereda Las Brisas had the highest abundance, with 104 specimens (45.4%), followed by El Vergel, 76 (33.2%), Tarqui, 46 (20.1%) and Los Lirios, 2 (0.9%). The record of this species in the mountainous ecosystems of the Department of Caquetá expands the known distribution of B. splendens and adds to the incipient knowledge on the diversity of Diptera in this region.
Tipo: Info:eu-repo/semantics/report Palavras-chave: Biodiversity; Andean-Amazon region; Distribution; Van Someren-Rydon.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672019000300242
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ITS2 PARA LA IDENTIFICACIÓN DE CALIFÓRIDOS (DIPTERA: CALLIPHORIDAE) DE IMPORTANCIA FORENSE EN COLOMBIA Acta biol.Colomb.
LEA-CHARRIS,Edison R.; WOLFF,Marta; CASTRO,Lyda R..
La entomología forense es una disciplina que utiliza insectos para obtener información útil en la determinación del intervalo postmortem (IPM). Las moscas de la familia Calliphoridae son muy utilizadas en entomología forense, sin embargo, su identificación a nivel de especie puede dificultarse cuando el individuo se encuentra incompleto o en estadio inmaduro. En el presente trabajo, se evaluó el potencial de la región ITS2 del genoma nuclear para la identificación de especies de Calliphoridae en Colombia utilizando tres aproximaciones: comparando distancias genéticas utilizando la metodología de códigos de barra, haciendo una reconstrucción filogenética, y con enzimas de restricción (PCR-RFLPs). Se secuenciaron un total de 520 pb en 44 individuos...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Códigos de barra genéticos; Enzimas de restricción; Intervalo post-mortem; Genoma nuclear.
Ano: 2016 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-548X2016000300009
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