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Zootaxa
Magnolia Press
Zootaxa

Magnolia Press

1175-5326

Zootaxa/Journal ZootaxaSCIISTPAHCI
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    A revisionary approach of Colombian Ananteris (Scorpiones, Buthidae): two new species, a new synonymy, and notes on the value of trichobothria and hemispermatophore for the taxonomy of the group

    RICARDO BOTERO-TRUJILLOEDUARDO FLOREZ D
    44页
    查看更多>>摘要：Some contributions to the knowledge of the buthid scorpion genus Ananteris Thorell, 1891 in Colombia are herein presented, based upon the examination of over 100 specimens. Ananteris ochoai sp. nov. and Ananteris solimariae sp. nov. are described fromNarino and Santander departments, respectively. The recently described Ananteris hasshy Teruel & Roncallo, 2008 is synonymized under Ananteris columbiana Lourenco, 1991 based on several evidences from morphology. The males of Ananteris dorae Botero-Trujillo, 2008, Ananteris ehrlichi Lourenco, 1994 and Ananteris myriamae Botero-Trujillo, 2007, and the female of Ananteris arcadioi Botero-Trujillo, 2008 are described for the first time. Ananteris meridana Gonzalez-Sponga, 2006 is reported for the first time for Colombia and the genus Ananteris for the departments of Cundinamarca, Santander and Norte de Santander. Likewise, new locality records are given for A. arcadioi, A. dorae and A. myriamae. Revised diagnoses and data on intraspecific variability areprovided for A. arcadioi, A. columbiana, A. dorae, A. ehrlichi, A. meridana and A. myriamae. Hemispermatophore morphology is described for the first time for A. arcadioi, A. columbiana, A. dorae, A. ehrlichi, A. meridana, A. myriamae, A. ochoai sp. nov.and A. solimariae sp. nov., providing evidence of this structure's taxonomic usefulness and revealing a paramount need to describe it in further taxonomic works on Ananteris. Some notes on the use of the fixed finger trichobothria for the definition ofAnanteris species are provided. A distribution map plotting the known locality records of the thirteen Colombian species of Ananteris and a key to their identification are also included. Finally, the name 'Ananteris antioquensis', used by Otero et al. (2004) but never published, is herein deemed a nomen nudum. v
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    Rodents of the subfamily Sigmodontinae (Myomorpha: Cricetidae) as hosts for South American hard ticks (Acari: Ixodidae) with hypotheses on life history

    Guglielmone, Alberto A.Nava, Santiago .
    21页
    查看更多>>摘要：Historical information shows that Sigmodontinae are irrelevant hosts for South American ticks of the genera Haemaphysalis Koch, Rhipicephalus Koch and Dermacentor Koch. Nine Amblyomma Koch species were found on Sigmodontinae but only Amblyomma triste Koch, 1844 appears strongly related to them. Eighteen species of Ixodes Latreille were determined on these hosts. Four species sporadically infest Sigmodontinae; eight are found mostly on Sigmodontinae but the records are too few for any inference. Six: I. amarali Fonseca, 1935, I. longiscutatus Boero, 1944, I. loricatus Neumann, 1899, I. luciae Senevet, 1940, Ixodes sigelos Keirans, Clifford and Corwin, 1976 and I. venezuelensis Kohls, 1953 are usual parasites of Sigmodontinae. It is proposed that the Ixodes-Sigmodontinae relationship evolved from a South American tick ancestor parasite of Didelphidae. Their descendants are two extant clades, one formed by I. loricatus-I. luciae defined by analysis of 16S rDNA sequences further including I. amarali and I. schulzei by morphological affinities. These species (I. schulzei excluded) have adult ticks feeding on Didelphidae and sub-adult ticks feeding on Didelphidae and several species from five sigmodontin tribes. The second clade is formed by I. abrocomae Lahille, 1916 (known from few specimens, mostly collected from Sigmodontinae), I. sigelos (mainly a parasite of Sigmodontinae), I. stilesi Neumann, 1911 (parasite of deer), and possibly I. taglei Kohls, 1969 (parasite of deer) by morphological affinity. This clade is related to I. neuquenensis Ringuelet, 1947, an exclusive parasite of Dromiciops gliroides Thomas (Microbiotheriidae Ameghino).
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    On the nomenclature of the palaemonid names Palaemon spinipes Desmarest, 1817, Palaemon spinipes Schenkel, 1902, and Macrobrachium wallacei Wowor & Ng, 2008 (Crustacea: Decapoda: Caridea)

    PETER K. L. NGDAISY WOWOR
    3页
    查看更多>>摘要：Holthuis (1995) commented that there were two forms that have been referred to the widespread Indo-West Pacific Giant Freshwater Prawn Macrobrachium rosenbergii (De Man, 1879), and they should be recognized as subspecies: M. rosenbergii rosenbergii (De Man, 1897) sensu stricto (eastern Indonesia, New Guinea, Australia and Philippines), and M. rosenbergii dacqueti (Sunier, 1925) (Sundaic Southeast Asia, Indochina and South Asia). Wowor & Ng (2007) argued that the two subspecies should be regarded as distinct species - M. rosenbergii (De Man, 1879) and M. dacqueti (Sunier, 1925). They showed that the two species, in addition to their non-overlapping distributions, can be distinguished by the relative height of the rostral base, spination of the secondto fifth pereiopods in adults, shape of the fourth thoracic sternite as well as live coloration. However, in doing so, Wowor & Ng (2007) created a major nomenclatural problem, as the species that is widely fished in South and Southeast Asia as well as Indochina, and also extensively cultured throughout the world should actually be known as M. dacqueti and not M. rosenbergii.
      原文链接:
    • NSTL