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.
We present the first report of Nasutitermes guayanae feeding on human bone remains found in an urban area of the municipality of Florencia, Caquetá, Colombia, in the Colombian Amazon piedmont. The record indicates an expansion in the diet of these termites. The observation suggests that the association of N. guayanae with decomposing bodies may be a possible tool for the estimation of postmortem intervals.
Glabellula Bezzi, 1902 has a cosmopolitan distribution and is a poorly studied group in the Neotropical Region, and completely unknown in Colombia. One new species of Glabellula is described from Colombia, namely Glabellula antioquensis sp. nov. (type-locality: Buriticá, La Angelina). Illustrations and a dichotomous key to the South American species are presented.
Insects attracted to cadavers can be used to estimate postmortem interval (PMI). In this study, inmature stages and adults of Dermestes maculatus and Chrysomya albiceps were collected in association with a human cadaver in a closed aquatic environment in Caquetá, Colombia, and analyzed to determine the PMI. We also conducted an experiment with a pig carcass to estimate the emersion time, which began three days after carcass submersion. The minimum PMI was 481.5 hours. Time of death, time of emersion and period of insect activity matched the actions of the murder suspects, who confessed to murdering the victim 25 days prior to the discovery of the body.
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