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Journal Cover Euscorpius
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  This is an Open Access Journal Open Access journal
   ISSN (Print) 1536-9307
   Published by Marshall University Homepage  [1 journal]
  • Centruroides thorellii (Scorpiones: Buthidae): traveling from Guatemala to
           England without a passport

    • Authors: Rony E. Trujillo et al.
      Abstract: We recorded a pregnant female of the Central American bark stripped scorpion Centruroides thorellii (Kraepelin, 1891), which arrived to England as a stowaway in the bag of a woman that previously visited the Departments of Sacatepéquez, Sololá and San Marcos, Guatemala. On January 2, this C. thorellii female had a litter of three off-spring and three infertile eggs, but she has eaten them, probably as consequence of the stress caused by the hard travel and the environmental changes. We provide a map with the geographical distribution of this species and photos of the female detected in a British train.
      PubDate: Wed, 08 Feb 2017 11:31:10 PST
       
  • Scorpions of the Horn of Africa (Arachnida: Scorpiones). Part X.
           Pandiborellius stat. n. and Pandinurus (Scorpionidae) with description of
           four new species from Eritrea and Ethiopia, and review of Pandinus sensu
           lato taxonomy

    • Authors: František Kovařík et al.
      Abstract: We introduce a new system of classification for the subfamily Scorpioninae Latreille, 1802 which includes genera Heterometrus Ehrenberg, 1828, Opistophthalmus C. L. Koch, 1837, Pandiborellius Rossi, 2015 stat. n., Pandinoides Fet, 1997, Pandinops Birula, 1913, Pandinurus Fet, 1997, Pandinus (Pandinus) Thorell, 1876, Pandinus (Pandinopsis) Vachon, 1974 stat. n., Pandinus (Pandipalpus) Rossi, 2015 stat. n., and Scorpio Linné, 1758. We provide a checklist of 41 valid species and their synonyms of Pandinus sensu lato. We revise Horn of Africa genera Pandiborellius stat. n. and Pandinurus; all species are fully complemented with color photos of live and preserved specimens, as well as their habitat. Included are morphological keys to the subfamily Scorpioninae and genera Pandiborellius stat. n. and Pandinurus. Several new characters in trichobothrial pattern, granulation of pedipalp movable and fixed fingers and spiniform formula of tarsomeres of legs are used and discussed. Described herein are Pandiborellius igdu sp. n. from Ethiopia, Pandiborellius insularis sp. n. from Eritrea, Pandinurus afar sp. n. from Ethiopia, and Pandinurus oromo sp. n. from Ethiopia. Pandinurus citernii (Borelli, 1919) comb. n. and Pandinurus intermedius (Borelli, 1919) comb. n. are restored from synonymy. Pandinurus (Pandipavesius) Rossi, 2015 is synonymized with Pandiborellius Rossi, 2015 stat. n.; Pandinus (Pandinoirens) Rossi, 2015 is synonymized with Pandinurus Fet, 1997; Pandinurus (Pandiborellius) sabbadinii Rossi, 2015 is synonymized with Pandiborellius magrettii (Borelli, 1901) comb. n.; Pandinurus (Pandinurus) cianferonii Rossi, 2015 is synonymized with Pandinurus pallidus (Kraepelin, 1894); Pandinus (Pandinoirens) riccardoi Rossi, 2015 and Pandinus (Pandinoirens) bottegoi Rossi, 2015 are synonymized with Pandinurus platycheles (Werner, 1916); Pandinus (Pandinurus) vachoni Rossi, 2014 is synonymized with Pandinurus sudanicus (Hirst, 1911); and Pandinurus (Pandipalpus) pygmaeus Rossi, 2015 is synonymized with Pandinus (Pandipalpus) lowei Kovařík, 2012 comb. n.. Hemispermatophores of Pandiborellius insularis sp. n., Pandinurus afar sp. n. and Pandinurus oromo sp. n are illustrated and described, and morphology of Pandinus sensu lato hemispermatophores is discussed.
      PubDate: Wed, 01 Feb 2017 10:20:49 PST
       
  • A new species of the “apacheanus” group of genus Pseudouroctonus from
           western Texas (Scorpiones: Vaejovidae)

    • Authors: Richard F. Ayrey et al.
      Abstract: A new species of the “apacheanus” group of genus Pseudouroctonus is described from western Texas, USA, Pseudouroctonus brysoni, sp. nov. This new species is closely related to P. apacheanus (Gertsch et Soleglad, 1972) and two other species recently described from southern Arizona. A combination of morphological differences in the hemispermatophore, the mating plug, and several morphometric-based characters are identified as diagnostic.
      PubDate: Fri, 13 Jan 2017 05:49:27 PST
       
  • Review of Northwestern African Buthacus, with description of Buthacus
           stockmanni sp. n. from Morocco and Western Sahara (Scorpiones, Buthidae)

    • Authors: František Kovařík et al.
      Abstract: Northwestern African Buthacus species are revised. Buthacus stockmanni sp. n. from Morocco and Western Sahara is described and fully complemented with color photos of live and preserved specimens, as well as their habitat. The hemispermatophore of B. stockmanni sp. n. is illustrated and described. In addition to morphology and hemi-spermatophores, we also describe the karyotypes of B. stockmanni sp. n. (2n=20). B. stockmanni sp. n. is compared with B. occidentalis Vachon, 1953 and B. ziegleri Lourenço, 2000. Both these species are differentiated from B. stockmanni sp. n. geographically and morphologically. The male of B. stockmanni sp. n. has fingers of pedipalp chela strongly twisted proximally and males of the other two species have fingers straight or almost straight. Buthacus huberi Lourenço, 2001 is synonymized with Buthacus occidentalis Vachon, 1953; Buthacus mahraouii Lourenço, 2004 and Buthacus leptochelys algerianus Lourenço, 2006 are synonymized with Buthacus ziegleri Lourenço, 2000.
      PubDate: Tue, 13 Dec 2016 09:45:13 PST
       
  • First report of Lissothus occidentalis Vachon, 1950 (Scorpiones: Buthidae)
           from Morocco and Western Sahara, with notes on ecology and captive
           breeding

    • Authors: Mark Stockmann et al.
      Abstract: Genus Lissothus Vachon, 1948 represented by L. occidentalis Vachon, 1950 is reported for the first time from four localities in Morocco and the Western Sahara. We provide a revised diagnosis of L. occidentalis, fully complemented with color photos of live and preserved specimens. Hemispermatophore is also illustrated and described in detail. Furthermore, we describe aspects of the ecology of this species, and provide photos of collection sites and habitats. We also report on the reproductive biology of this species based on captive breeding and rearing. and provide the first envenomation report for the species.
      PubDate: Tue, 13 Dec 2016 09:18:13 PST
       
  • Two new species of Euscorpius Thorell, 1876 from southern Turkey
           (Scorpiones: Euscorpiidae)

    • Authors: Gioele Tropea et al.
      Abstract: Two new species of scorpion of the genus Euscorpius Thorell, 1876 are described from southern Turkey based on morphological ratio and trichobothrial data. E. hakani sp. n. from Mt. Eşeler, in Denizli Province in southwestern Turkey and E. aladaglarensis sp. n. from the Aladağlar Mts., in Niğde, Kayseri, and Adana Provinces. With the description of two new taxa, 17 species of Euscorpius are currently recognized in Turkey.
      PubDate: Mon, 28 Nov 2016 12:57:07 PST
       
  • A new species of Centruroides (Scorpiones: Buthidae) from Quiché,
           northwestern Guatemala

    • Authors: Rony E. Trujillo et al.
      Abstract: A new species of the genus Centruroides Marx, 1890 is described from Sotzil Village (15.61775°N, -91.09745°W, 1173 m a.s.l.), Chajul Municipality, Quiché Department, Guatemala, on basis of one female and one male. It closely resembles Centruroides caral Armas et Trujillo, 2013 from northeastern Guatemala (240 Km southeast of Chajul), but male differs by having a most globose pedipalp manus, as well as metasoma clearly more attenuate (len-gth/width ratio: segments II–IV = 2.4, 2.7 and 1.4, respectively; 1.7, 2.2 and 2.5 in the holotype of C. caral, the only known specimen of this taxon). Data on its habitat and some biogeographical comments are also given.
      PubDate: Tue, 18 Oct 2016 06:04:26 PDT
       
  • Scorpions of the Horn of Africa (Arachnida: Scorpiones). Part IX.
           Lanzatus, Orthochirus, and Somalicharmus (Buthidae), with description of
           Lanzatus somalilandus sp. n. and Orthochirus afar sp. n.

    • Authors: František Kovařík et al.
      Abstract: The rare Horn of Africa buthid genera Lanzatus Kovařík, 2001, Orthochirus Karsch, 1891, and Somalicharmus Kovařík, 1998 were newly collected. Lanzatus is reported for the first time from Somaliland, and Orthochirus for the first time from Ethiopia. We describe two new species, Lanzatus somalilandus sp. n. from Somaliland, and Orthochirus afar sp. n. from Ethiopia, both discovered during scorpiological expeditions in 2011–2016. Information is provided for all Horn of Africa species belonging to these three genera: their taxonomy, distribution, and ecology, fully complemented with color photos of live and preserved specimens, as well as their habitat. The morphology of the enigmatic scorpion Somalicharmus whitmanae Kovařík, 1998 is illustrated in detail. The first author recently collected 52 specimens including the first known females, which reveal natural colors, and show sexual dimorphism in the shape of the pedipalp chela and metasoma which are broader in males, and in the shape of the basal middle lamella of the pectines, which in females is extremely dilated and rounded. We describe the hemispermatophore, which is furnished with an atypically elongated basal lobe, and the chelicera, which differs from that of all other known extant buthids. Other characters indicate possible affinity with the south African buthid Karasbergia methueni Hewitt, 1913. We also describe karyotypes of S. whitmanae. We identified 2n=20 in seven males from two localities and 2n=21 in one male. In both analyzed localities we found males with reciprocal translocations that form conspicuous multivalents. The male with 2n=21 includes fission of one chromosome that increases the diploid number and implicates an odd number of chromosomes.
      PubDate: Tue, 11 Oct 2016 10:12:31 PDT
       
  • Another new species of Euscorpius Thorell, 1876 from the Taurus Mountains
           in Antalya Province, southern Turkey (Scorpiones: Euscorpiidae)

    • Authors: Gioele Tropea et al.
      Abstract: A new scorpion species, Euscorpius alanyaensis sp. n., is described based on specimens collected from the Taurus Mountains in Antalya Province (Alanya District) in southern Turkey. It is a sibling species of the recently described E. gocmeni Tropea et al., 2014, and similarly, the new species is also characterized by a high trichobothrial count (Pv = 9–11, et = 7, em = 4, and eb = 4), a high pectinal teeth count (Dp = 9–11 in males, 8 in females), medium-small size, and light to medium brown-reddish colour. In addition, for the first time a phylogenetic analysis (concatenated sequences of 16S rDNA and COI) is performed to reconstruct the relationships between E. gocmeni Tropea et al., 2014, E. koci Tropea et Yağmur, 2015, E. lycius Yağmur et al., 2013, E. avcii Tropea et al., 2012 from Turkey, and the new species herein described, E. alanyaensis sp. n.
      PubDate: Tue, 13 Sep 2016 05:48:29 PDT
       
  • Butheoloides grosseri sp. n. (Scorpiones: Buthidae)
           from Uganda

    • Authors: František Kovařík
      Abstract: A new species Butheoloides grosseri sp. n. is described and fully complemented with color photos of female holotype, as well as its habitat. This is the first species assigned to this genus from Uganda and represents southern limits of genus Butheoloides distribution.
      PubDate: Tue, 23 Aug 2016 09:40:01 PDT
       
  • Scorpions of the Horn of Africa (Arachnida: Scorpiones). Part VIII.
           Pandinops Birula, 1913 (Scorpionidae), with description of two new species
           

    • Authors: František Kovařík
      Abstract: Complete Pandinops trichobothrial pattern and spiniform formula of tarsomeres of legs are published for the first time. P. friedrichi sp. n. from Somalia and P. turieli sp. n. from Ethiopia and Kenya are described. Information is provided about all Pandinops species, their taxonomy, and distribution, and P. turieli sp. n. discovered during scorpiological expeditions in 2011–2016 is fully complemented with color photos of live and preserved specimens, as well as its habitat.
      PubDate: Tue, 23 Aug 2016 09:39:54 PDT
       
  • Scorpions of the Horn of Africa (Arachnida: Scorpiones). Part VII.
           Parabuthus Pocock, 1890 (Buthidae), with description of P. hamar sp. n.
           and P. kajibu sp. n. from Ethiopia

    • Authors: František Kovařík et al.
      Abstract: All Parabuthus species from Eritrea, Ethiopia, and Somaliland were newly collected and are revised for the first time. The complex of Parabuthus liosoma is split into three sibling species with separate areas of distribution: P. abyssinicus Pocock, 1901 (Eritrea, Djibouti, central and north-eastern parts of Ethiopia), P. liosoma (Ehrenberg, 1828) (Yemen and Saudi Arabia), and P. maximus Werner, 1913 (Tanzania and Kenya). P. hamar sp. n. and P. kajibu sp. n., discovered during scorpiological expeditions in 2011–2016, are described. Information is provided about all Parabuthus species from the Horn of Africa, their taxonomy, distribution, and ecology, fully complemented with color photos of live and preserved specimens, as well as their habitat. The hemispermatophores of P. abyssinicus and P. kajibu sp. n. are illustrated and described. In addition to the analyses of external morphology and hemispermatophores, we also describe the karyotypes of P. abyssinicus (2n=16), P. kajibu sp. n. (2n=18), and P. pallidus (2n=20). The monotypic genus Riftobuthus Lourenço, Duhem et Cloudsley-Thompson, 2010 is synonymized with Parabuthus, based in part on pectinal tooth count analysis. Phylogenetic scaling and ontogenetic invariance of pectinal tooth count are shown for buthid scorpions.
      PubDate: Tue, 23 Aug 2016 09:39:47 PDT
       
  • Graemeloweus, a new scorpion genus from northern California, USA
           (Scorpiones: Vaejovidae)

    • Authors: Michael E. Soleglad et al.
      Abstract: Genus Graemeloweus, gen. nov. (Scorpiones: Vaejovidae) is described from northern California, USA. The genus is composed of three species formerly placed in Pseudouroctonus: Graemeloweus iviei (Gertsch et Soleglad, 1972), comb. nov. (type species), G. glimmei (Hjelle, 1972), comb. nov., and G. maidu (Savary et Bryson, 2016), comb. nov. Major diagnostic characters of Graemeloweus include a non-bifurcated primary lamellar hook, the presence of a secondary lamellar hook, a complex mating plug with a two part base and an asymmetric crescent-shape barb, and the presence of a well-developed ventromedian (V2) carina on the pedipalp chela. Evidence is presented suggesting that Graemeloweus is more closely related to Kovarikia than Pseudouroctonus.
      PubDate: Tue, 26 Jul 2016 06:02:23 PDT
       
  • Scorpions of the Horn of Africa (Arachnida: Scorpiones). Part VI.
           Compsobuthus Vachon, 1949 (Buthidae), with a description of C.
           eritreaensis sp. n.

    • Authors: František Kovařík et al.
      Abstract: All four Compsobuthus species of the Horn of Africa were newly collected, C. werneri firstly collected in Eritrea and C. eritreaensis sp. n. discovered during scorpiological expeditions in 2011–2016. Information is provided about their taxonomy, distribution, and ecology, fully complemented with color photos of live and preserved specimens, as well as their habitat. The hemispermatophore of C. eritreaensis sp. n. is illustrated and described. In addition to morphological analysis, we also describe the karyotype of C. eritreaensis sp. n. (2n=22).
      PubDate: Tue, 19 Jul 2016 05:57:10 PDT
       
  • A new species of Diplocentrus (Scorpionidae: Diplocentrinae) from western
           Izabal, Guatemala

    • Authors: Luis F. de Armas et al.
      Abstract: Diplocentrus izabal sp. n. is herein described on basis to one male (holotype) and two females from El Estor municipality, Izabal department, eastern Guatemala. It seems to be a close relative of Diplocentrus lachua Armas, Trujillo & Agreda, 2012, from which it differs by having carapace almost smooth, with anteromedian notch V-shaped; pectines with 11 teeth in both sexes, and carapace clearly longer than pedipalp manus and metasomal segment V (D. lachua has carapace minutely granulate, with anteromedian notch U-shaped; pectines with 13 teeth in the males (female unknown), and carapace as long as both pedipalp manus and metasomal segment V).
      PubDate: Tue, 19 Jul 2016 05:57:02 PDT
       
  • Scorpions of the Horn of Africa (Arachnida, Scorpiones). Part V. Two new
           species of Neobuthus Hirst, 1911 (Buthidae), from Ethiopia and Eritrea

    • Authors: Graeme Lowe et al.
      Abstract: New information about the taxonomy and distribution of the genus Neobuthus Hirst, 1911 (Scorpiones: Buthidae) is presented, based on materials recently collected from Ethiopia and Eritrea. Emended diagnoses are provided for the genus Neobuthus, and for the species N. awashensis Kovařík et Lowe, 2012 and N. cloudsleythompsoni Lourenço, 2001. New records are given for N. awashensis in Ethiopia. We redescribe N. cloudsleythompsoni, and we describe two additional new species: N. eritreaensis sp. n. (the first record of the genus from Eritrea) and N. kutcheri sp. n. (southern Ethiopia, Somali State). We include a key to six members of the genus and discuss possible speciation mechanisms.
      PubDate: Mon, 27 Jun 2016 11:52:26 PDT
       
  • Neotype designation for Scorpiops pachmarhicus Bastawade, 1992
           (Scorpiones: Euscorpiidae), with redescription and notes on the species

    • Authors: Zeeshan A. Mirza et al.
      Abstract: Scorpiops pachmarhicus Bastawade, 1992 was described based on specimens collected from Pachmarhi, Madhya Pradesh. An expedition to the type locality led to discovery of a population at the type locality which permit us to designate a neotype for the species as types of the species are presently not traceable.
      PubDate: Tue, 24 May 2016 06:36:29 PDT
       
  • A new species of Euscorpius Thorell, 1876 from Mount Honaz in southwestern
           Turkey (Scorpiones: Euscorpiidae)

    • Authors: Gioele Tropea et al.
      Abstract: A new species of scorpion, Euscorpius honazicus sp. n., is described from Mount Honaz, in the province of Denizli, in southwestern Turkey, based on morphological and molecular evidence, increasing to 14 the Euscorpius species currently recognized in Turkey.
      PubDate: Fri, 22 Apr 2016 05:36:52 PDT
       
  • The first record of malformed pectines in genus Euscorpius (Scorpiones:
           Euscorpiidae)

    • Authors: Miroslav Šarić et al.
      Abstract: A teratological change in a pectinal organ of Euscorpius cf. carpathicus (C. L. Koch, 1837) from Serbia had been examined using SEM (Scanning Electron Microscopy), and compared to specimens with normally developed pectines. Possible reasons for this anomaly are discussed.
      PubDate: Thu, 21 Apr 2016 05:37:04 PDT
       
  • Scorpions of Sri Lanka (Scorpiones: Buthidae, Chaerilidae, Scorpionidae)
           with description of four new species of the genera Charmus Karsch, 1879
           and Reddyanus Vachon, 1972, stat. n.

    • Authors: František Kovařík et al.
      Abstract: Data about all 18 known scorpion species of Sri Lanka are summarized. All previously known species were newly collected and four new species discovered during a scorpiological expedition in 2015. Information is provided about their taxonomy, distribution, ecology, and reproductive biology, fully complemented with color photos of live and preserved specimens, as well as their habitat. Subgenus Isometrus (Reddyanus) Vachon, 1972 is elevated to genus level, Reddyanus stat. n., supported by new characters of setation on leg tarsomere II and hemi-spermatophore morphology. Charmus saradieli sp. n., Reddyanus ceylonensis sp. n., R. jayarathnei sp. n., and R. ranawanai sp. n. are described, compared with other species and fully illustrated. Heterometrus serratus (Pocock, 1900) is restored and differentiated from H. indus (Geer, 1778). Charmus minor Lourenço, 2002 is synonymized with Charmus laneus Karsch, 1879; Isometrus garyi Lourenço et Huber, 2002 is synonymized with Reddyanus loebli (Vachon, 1982) comb. n., and Heterometrus spinifer solitarius Couzijn, 1981 is synonymized with Heterometrus indus (Geer, 1778). A key and distribution maps for all 18 Sri Lankan scorpion species are presented. Hemispermatophores of Buthoscorpio sarasinorum (Karsch, 1892), Charmus laneus Karsch, 1879, Isometrus thwaitesi Pocock, 1897, Lychas srilankensis Lourenço, 1997, Reddyanus basilicus (Karsch, 1879) comb. n., R. ceylonensis sp. n., R. loebli comb. n. and Heterometrus gravimanus (Pocock, 1894) are illustrated and described for the first time. In additional to morphological analysis, we also describe the karyotype of Buthoscorpio sarasinorum (2n=14); Charmus laneus (2n=9); Isometrus thwaitesi (2n=8); Lychas srilankensis (2n=16); Reddyanus basilicus comb. n. (2n=15–16); R. ceylonensis sp. n. (2n=16); and R. loebli comb. n. (2n=17). The significance of cytogenetics and hemispermatophore morphology in buthid taxonomy are discussed.
      PubDate: Mon, 28 Mar 2016 11:11:15 PDT
       
 
 
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