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Abstract
Durante los meses de julio a septiembre de 2003, se realizó la caracterización de la entomofauna de importancia forense presente en la descomposición de dos cerdos (Sus scrofa), utilizados como sujeto de muestreo y control respectivamente, en la granja experimental de la Federación Nacional de Cafeteros de Colombia (sede Consacá, Nariño). Los primeros insectos colonizadores del cadáver fueron las familias Calliphoridae y Sarcophagidae (Diptera); de la primera se capturaron individuos pertenecientes a Chrysomya albiceps (Wiedemann 1819), Chrysomya rufifacies (Macquart 1843), Chrysomya putoria (Wiedemann 1818) y Lucilia sp. siendo C. albiceps y Lucilia sp. las más abundantes durante el muestreo. Además de Diptera se presentaron algunas familias del orden Coleoptera, de los cuales los más importantes fueron: Histeridae, Staphilinidae, Silphidae, como depredadores, y Dermestidae como necrófago. Los otros grupos de insectos fueron observados ocasionalmente. Sin embargo, Labidus sp. subfamilia Ecitoninae (Formicidae), que se comportó como depredador de larvas de Diptera, estuvo presente durante todo el proceso de descomposición.
Palabras clave: Calliphoridae, Coleoptera, diptera, entomofauna, necrófago, Sarcophagidae.
Abstract
During July to September of 2003, characterization of entomofauna attracted by decomposition of two pigs (Sus scrofa) was carried out in the experimental farm of Federación Nacional de Cafeteros de Colombia at Consacá (Nariño). One of the two pigs was used as a control sample. Pioneer settler insects of carcass belonged to families Calliphoridae and Sarcophagidae (Diptera). From Calliphoridae individuals from Chrysomya albiceps (Wiedemann 1819), Chrysomya putoria (Wiedemann 1818), Chrysomya rufifacies (Macquart 1843) and Lucilia sp. were captured. C. albiceps and Lucilia sp. were the most abundant species. Families from Coleoptera order were also found: Histeridae, Staphilinidae, Silphidae, as predators, and Dermestidae as necrophagous. Other groups of insects were observed occasionaly. Nevertheless, as predators of Diptera grubs, individuals of Labidus sp. (Formicidae: subfamily Ecitoninae) were present during the entire decomposition process.
Key words: Calliphoridae, Coleoptera, diptera, entomofauna, Necrophagous, Sarcophagidae.
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