Abstract

MORALES MIRA, Gladis Estela  and  PELAEZ JARAMILLO, Carlos Alberto. Kinetic evaluation of diptera as indicators of the evolution of composting process. Rev. ing. univ. Medellín [online]. 2010, vol.9, n.17, pp.13-28. ISSN 1692-3324.

This research aimed to establish the role of organisms, particularly arthropods, in a composting process, in order to set biological, physical and chemical parameters which allow evaluating the optimal quality of the final matter. For this purpose, a compost pile of urban solid waste separated at source (RSU-sf) was built in which sampling was carried out during two months for microbiological, entomological, and physicochemical testing. A matrix of successions was obtained, especially for insects associated with different development stages and its relationship to physical and chemical variables. Analyses evidenced a high correlation of family Enterobacteriaceae, with the abundance of species Chonocephalus sp. (Phoridae), Drosophila sp. (Drosophilidae), Physiphora sp. (Ulidiidae), Desmometopa sp. (Milichiidae) and Tephritidae. It was also found that the absence of these arthropods can be used as an indicator of system stability.

Keywords : solid urban waste; composting; stability; diphtera; syrphidae.

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