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Salt lakes of La Mancha (Central Spain): A hot spot for tiger beetle (Carabidae, Cicindelinae) species diversity

AuthorsRodríguez-Flores, Paula C. ; Gutiérrez-Rodríguez, Jorge; Aguirre-Ruiz, Ernesto F.; García-París, Mario
Habitat selection
Salt marshes
Issue Date8-Feb-2016
PublisherPensoft Publishers
CitationZooKeys 561(4): 63-103 (2016)
AbstractThe tiger beetle assemblage of the wetlands of La Mancha (central Spain) comprises nine species: Calomera littoralis littoralis, Cephalota maura maura, Cephalota circumdata imperialis, Cephalota dulcinea, Cicindela campestris campestris, Cicindela maroccana, Cylindera paludosa, Lophyra flexuosa flexuosa, and Myriochila melancholica melancholica. This assemblage represents the largest concentration of tiger beetles in a single 1º latitude / longitude square in Europe. General patterns of spatial and temporal segregation among species are discussed based on observations of 1462 specimens registered during an observation period of one year, from April to August. The different species of Cicindelini appear to be distributed over space and time, with little overlapping among them. Three sets of species replace each other phenologically as the season goes on. Most of the species occupy drying or dried salt lakes and salt marshes, with sparse vegetation cover. Spatial segregation is marked in terms of substrate and vegetation use. Calomera littoralis and M. melancholica have been observed mainly on wet soils; C. circumdata on dry open saline flats; C. dulcinea and C. paludosa in granulated substrates with typical halophytic vegetation; C. maura is often present in man-modified areas. Cephalota circumdata and C. dulcinea are included as species of special interest in the list of protected species in Castilla–La Mancha. Conservation problems for the Cicindelini assemblage arise from agricultural activities and inadequate use of sport vehicles. Attempts at restoring the original habitat, supressing old semi-industrial structures, may affect the spatial heterogeneity of the lakes, and have an effect on Cicindelinae diversity.
Publisher version (URL)http://dx.doi.org/10.3897/zookeys.561.6042
Appears in Collections:(MNCN) Artículos
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