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Fave. Sección ciencias agrarias
versão impressa ISSN 1666-7719
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BONIVARDO, S. L; MARTINEZ, A; PERSSI MAGNA, G e SUAREZ, A. Relevamiento de escarabeidos (insecta, coleoptera) en pastizal natural, pasto llorón y maiz, en el este de la provincia de San Luis (Argentina). FAVE. Secc. Cienc. agrar. [online]. 2015, vol.14, n.2. ISSN 1666-7719.
Scarabaeidae survey of natural pastures, weeping lovegrass and corn in eastern province of san luis (argentina) The scarabs beetle important as members of the edaficola wildlife, can be a pest in soil tillage and those little disturbed. In order to determine the species of Scarabaeidae and abundance in three conditions, cultivated land (maize), implanted weeping lovegrass and natural pasture in Phytogeographical Region I of the province of San Luis (Argentina), samples were taken completely randomized, for two periods. In each condition three soil samples 1/8 m2 to 30 cm deep were taken. Scarabaeidae larvae were determined to species level according to specific keys, eight species observed. They were determined in all conditions of soil disturbance: Cyclocephala modesta, Cyclocephala putrida and Anomala testaceipennis, the former being the most abundant two; Lyogenis sp. and Philochloenia bonariensis were seen only in natural grassland, Cyclocephala signaticollis only weeping lovegrass, Bothinus striatellus was present only in corn and Leucothyreus sp. he was presented in weeping lovegrass and corn
Palavras-chave : Diversity; White worms; Soil disturbance.