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Quebracho (Santiago del Estero)
versión impresa ISSN 0328-0543versión On-line ISSN 1851-3026
Resumen
LAFFONT, E. R.; CORONEL, J. M.; GODOY, M. C. y TORALES, G. J.. Entomophauna from Humid Chaco native forests (Chaco and Formosa Provinces, Argentina): Contribution to the knowledge of its diversity. Quebracho (Santiago del Estero) [online]. 2007, n.14, pp.57-64. ISSN 0328-0543.
The surveys about entomological biodiversity are scarce for the argentinian Humid Chaco. In order to contribute to the knowledge of the entomophauna, the transecta sampling method (100x2 m, with 5x2 m sections) was conducted at the localities of Pampa del Indio (Chaco Province) and Ibarreta (Formosa Province), during the 2006- 2007 summer, with two transects per site. The specimens were analyzed taxonomically and grouped according to their trophic habits. A total of 1,575 individuals were collected, belonging to 17 orders. Hymenoptera was, numerically, the most important order, with 63 % of the captured specimens. The highest diversity corresponded to Coleoptera, with 18 families, followed by Hymenoptera (12 families). The percentage of complimentary families between both localities was 62%. Six trophic groups recognized for insects were present.
Palabras clave : Insects; Biodiversity; Chaco region; Argentinean northeast.