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handle: 10261/167514
[ES] Reviso en este trabajo los caracteres que se utilizan en la taxonomía de Goniomma; perfil clipeal, distancia desde los ojos al margen anterior de la cabeza, rugosidad cefälica, rugosidad torácica, longitud de la pilosidad cefálica transversal, color del cuerpo, perfil del borde peciolar, forma de la espina epinotal y ángulo espino-epinotal. Llevo a cabo una división de los mismos en cuantitativos y cualitativos, con objeto de eliminar los que se presten a confusión. El perfil clipeal y la distancia de los ojos al borde anterior de la cabeza pertenecen a los cualitativos y discontinuos, en tanto que los demás serían cuantitativos y no podrían usarse sin discusión. Quiero recalcar que la práctica corriente de los taxónomos clásicos en este género es utilizar caracteres de expresión continua, con una metodología apropiada sólo a caracteres que se expresan discontinuamente. Sin embargo, en mi opinión, todos los caracteres de este género deben considerarse cuantitativos, por lo que estas propuestas son sólo provisionales. El género Goniomma queda reducido a G. blanci (ANDRÉ) y G. hispanicum (ANDRÉ), si bien no se han estudiado los taxones G. burri y G. punicum.
[EN] Characters used in Goniomma taxonomy are reviewed. These features ares clypeal margin, distance from eyes to front head border, cephalic sculpture, thorax sculpture, transverse head pilosity length, body colour, petiole basis margin, epinotal spine shape, and angle between spines and epinote. In an attempt to discard misleading characters a division of them all is made into quantitative and qualitative ones, Clypeal margin and distance from eyes to front head border prove to be qualitative and discontinuous, the only valid ones according to classical taxonomy. The remainder is quantitative and cannot be used without a lot of controversy. It is to be emphasized that the classical taxonomists common practice confronts with their theoretical opinions which are those that are used in this paper. It is however author's belief that all the characters of this genus have to be considered quantitative and the proposing provi sory. On lacking individuals belonging to G. burri and G. punicum, it has been imposible to study all the Goniomma-group which has been reduced to G. hispanicunt (ANDRÉ) and G. blanci (ANDRÉ) on the basis of this review.
Peer reviewed
Goniomma, Hymenoptera, Formicidae
Goniomma, Hymenoptera, Formicidae
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