SciELO - Scientific Electronic Library Online

vol.83 número2Localización de betacianinas en tejido del tallo de cactusCiclo de vida de Anasa litigiosa (Hemiptera: Heteroptera: Coreidae) índice de autoresíndice de materiabúsqueda de artículos
Home Pagelista alfabética de revistas  

Servicios Personalizados



Links relacionados

  • No hay artículos similaresSimilares en SciELO


Revista mexicana de biodiversidad

versión On-line ISSN 2007-8706


BECHARA, Walter Y.  y  LIRIA, Jonathan. Geometric morphometrics in five species of Buthidae and Scorpionidae (Arachnida: Scorpiones) from Venezuela. Rev. Mex. Biodiv. [online]. 2012, vol.83, n.2, pp. 421-431. ISSN 2007-8706.

The Venezuelan scorpionfauna comprises 17 genera and 202 species. In some taxa the taxonomy is unclear, and additional studies that contribute to the knowledge about taxonomic identity and relationships are necessary. Geometric morphometrics is a tool that has been used as support to the systematics in different organisms. The goal was to analize the isometric size and conformation in five scorpions species. We photographed 266 individuals of four speceis of Buthidae: Centruroides testaceus, Rhopalurus laticauda, Tityus clathratus and T. discrepans, and one species of Scorpionidae: Tarsoporosus yustizi. Coordinate (x,y) configurations from landmarks and semilandmarks were registered in five structures. The results showed the complete separation in Buthidae species through dorsal trichobotria on patella pedipalp; and a consistent separation at family level in the remaining structures. The thin plate spline showed the sternum horizontal compression in the Buthidae species and the vertical compression in Scorpionidae. Similarity in coxae, chelae and caparace between R. laticauda and C. testaceus was determined. The trichobotria disposition and the sternum conformation allows to discriminate T. discrepans and T. clathratus.

Palabras llave : Tityus; Rhopalurus; Centruroides; Tarsoporosus; landmarks; procrustes; patella; pedipalp; sternum.

        · resumen en Español     · texto en Español     · Español ( pdf )


Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License