La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Complex habitat requirements and conservation needs of the only extant Baroniinae swallowtail butterfly
Auteurs :	J. Leon-Cortes, Auteur ; F. Perez-Espinoza, Auteur ; L. Marin, Auteur ; A. Molina-Martinez, Auteur
Type de document :	Article
Dans :	Animal Conservation (7 AUG 2004)
Article en page(s) :	241-250
Résumé :	The unique butterfly species, Baronia brevicornis, perhaps the oldest taxon in the Papilionidae, is known to have a very restricted distribution in Mexico. Populations are restricted to southern Mexico in deciduous scrub forest where its host-plants, Acacia trees (Leguminosae), are common and widespread. Little is known of the conservation implications of its relationship with its host trees. We recorded fine scale population data for larval and adult B. brevicornis in 22 km(2) of fragmented landscape in southern Mexico. Habitat associations determined from over 1319 transect walks reveal that B. brevicornis exhibited an extremely localised distribution, occupying

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