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Arquivos Entomolóxicos, Revista galega de Entomoloxía, vol. 2 (2009)

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Resumen: Se cita por primera vez en Galicia (NW España) el isópodo terrestre Armadillidium album Dollfus, 1887 y se confir-ma su presencia en las costas atlánticas ibéricas. A. album es un isópodo halófilo característico de playas de arena bien con-servadas y de zonas dunares. Se acompañan fotografías del habitus y de los principales caracteres diagnósticos. Palabras clave: Isopoda Oniscidea, Armadillidium album, Galicia. First record of Armadillidium album (Isopoda:Crinocheta:Armadillidiidae) for Galicia (NW Spain) and confirmation of their occurrence in the iberian atlantic coasts. Abstract: The terrestrial isopod Armadillidium album Dollfus, 1887 is reported for the first time in Galicia (NW Spain). The species is an halofilous woodlice characteristic of undisturbed sandy beaches and dunes. Photographs of habitus and main diagnostic charcaters are presented in this note.
The species of the genus Xanthomus Mulsant, 1854 are keyed. Xanthomus ghidinii Canzoneri (syn. nov.) and Xanthomus pallidus ssp. residuus Canzoneri (syn. nov.) are conspecific with Xanthomus pallidus (Curtis). Xanthomus viklundi sp. nov. (Tunisia), Xanthomus grimmi sp. nov. (Italy and Sicily) and Xanthomus israelsoni sp. nov. (Canary Islands) are described. Types of Xanthomus pellucidus Mulsant and Rey, 1856, are preserved in the Muséum national d'Histoire naturelle, Paris from which a lectotype and paralectotypes are designated. Six presumptive syntypes of Xanthomus pellucidus were found in the Rey collection in Muséum d'Histoire naturelle, Lyon, and one in the Naturhistoriska riksmuseet, Stockholm. These were examined and designated paralectotypes. Two Helops pallidus Curtis in the Museum of Victoria, Melbourne, are designated lectotype and paralectotype respectively, of Xanthomus pallidus. Two female Helops testaceus Küster, 1850, in the Haag Rutenberg collection, Zoologische Staatssammlung, München, have also been designated lectotype and paralectotype, and their synonymy with Xanthomus pallidus is confirmed. Biogeographical hypotheses concerning the Palaeozoic origin and subsequent distribution of Xanthomus are discussed. The genus is regarded as having high conservation significance, and populations have been affected and are threatened by anthropogenic impact on littoral systems and processes.
A new species of the family Zopheridae, Noserus doyeni García-París, Coca-Abia, and Parra-Olea, NEW SPECIES, is described from the State of Nuevo León in México. The species is characterized by the presence of a dense velvety cover of scaliform setae and by its smooth non-prominent elytral tuberculation. The range of the genus Noserus extends along two disjunct geographic areas. The first, which includes a group of poorly defined forms allied to N. plicatus, is restricted to the Pacific regions of California. The second group includes two species, N. doyeni, so far restricted to Cerro Potosí in the uplands of Nuevo León, and N. emarginatus from Texas. The external appearance of the three species of Noserus is strikingly diverse, and they may represent at least two independent phyletic lineages not necessarily sister to each other.
The relationships of the families Colydiidae, Monommatidae and Zopheridae are examined. Phylogenetic analyses were carried out using Hennig86 and based on 37 exemplar genera from each of these families and several possible outgroups coded for 59 morphological features (42 adult and 17 larval). Results of the analyses suggest that the three families form a monophyletic group, which may be divided into two subfamilies, Colydiinae and Zopherinae, and that the latter may be further divided into six tribes: Latometini (trib. nov.), Usechini, Monommatini, Phellopsini (trib. nov.), Pycnomerini (sens. nov.) and Zopherini (sens. nov.). The genera comprising the Zopherinae (excluding Monommatini) are keyed out and redescribed, and general remarks are made on the biology of the family. Three new genera are described: Orthocerodes gen. nov. (type species: Sarrotrium australis Blackburn, 1891), Australia; Notorthocerus gen. nov. (type species: N. valdivianus sp. nov.), Chile and Zopher (type species: Z. iviei sp. nov.), Malaysia. Type species are designated for the genera Docalis Pascoe, 1860 (D. degener Pascoe, 1860) and Elascus Pascoe (E. crassicornis Pascoe, 1860). Pycnomorphus Motschulsky, 1858, and Dechomus Jacquelin du Val, 1859, are synonymized with Pycnomerus Erichson, 1842 (syn. nov.) and Noserus LeConte, 1862, is synonymized with Phloeodes LeConte, 1862 (syn. nov.). Cotulades brindabellae sp. nov. is described, as is its larva. The following are also proposed: Cotulades okei nom. nov. (= C. pilosus Oke, 1932, not Docalis pilosus Carter, 1928) and C. pilosus (Carter in Wilson, 1928) (Docalis), comb. nov.