Biodiversity and Conservation

, Volume 18, Issue 6, pp 1491–1507 | Cite as

Estimating biodiversity: a case study on true bugs in argentinian wetlands

  • M. C. Coscaron
  • M. C. Melo
  • J. Coddington
  • J. Corronca
Original Paper


The species richness and relative abundance of faunas in defined areas are the raw materials in biodiversity science. The research methodology to acquire these data is inventory, and inventory quality depends on a number of parameters, for example collecting methods, season, and collector experience. To assess the ability of rapid inventory techniques to estimate local richness seven collectors sampled the fauna of true bugs in the Iberá watershed (Corrientes, Argentina) with seven methods during early spring, summer, and late summer (December, May, September) of 1 year. Twenty-three families, 225 spp. and 4,678 adults were found. We also applied various statistical techniques to correct the observed data for undersampling bias, which suggested the lower bound of annual heteropteran species richness at Pellegrini was about 250–300 species. Among heteropteran families, the particular inventory methodology was especially efficient in sampling Miridae.


Biodiversity estimation Collecting methods Heteroptera Iberá watershed 



We thank M. Fraga from the Reserva Provincial Iberá, for permission to work in Pellegrini and the forest rangers for help and assistance in the field. We would like to thank the other members of our field team in Pellegrini, M. Chayle, G. López, M. Magnanelli and S. Montemayor, for collecting assistance. Specimens of Alydidae, Miridae, Pentatomidae and Tingidae were identified by D. L. Carpintero, L. Miller, E. Saini and C. Schaefer, to whom we thank. Also, to T. Dobbs and T. Henry for the critical reading of the manuscript. This study was supported in part by grants from National Geographic Society (No. 7104 to Coscarón), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (PIP No. 5261 to Coscarón), Universidad Nacional del Nordeste (UNNE).

Supplementary material

10531_2008_9515_MOESM1_ESM.xls (236 kb)
Table S1 showing the raw data of the Heteroptera obtained in the collecting period in Carlos Pellegrini, Corrientes, Argentina, 2001–2002 (XLS 236 kb)


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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  • M. C. Coscaron
    • 1
  • M. C. Melo
    • 1
  • J. Coddington
    • 2
  • J. Corronca
    • 3
  1. 1.División Entomología, Facultad de Ciencias Naturales y MuseoUniversidad Nacional de La Plata, Paseo del BosqueLa PlataArgentina
  2. 2.Department of Entomology, Nacional Museum of Natural HistorySmithsonian InstitutionWashingtonUSA
  3. 3.CONICET-IEBI-Facultad de Ciencias NaturalesUniversidad Nacional de SaltaSaltaArgentina

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