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The first species of Thelastoma Leidy, 1849 (Nematoda: Thelastomatidae) parasitising the scorpion Euscorpius italicus (Chactidae: Scorpionidea)
Authors:Baru?  Vlastimil  Koubková  Bo?ena
Institution:(1) Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, 603 65 Brno, Czech Republic;(2) Department of Zoology & Ecology, Faculty of Science, Masaryk University, 611 37 Brno, Czech Republic
Abstract:A new species, Thelastoma euscorpii, (Thelastomatidae: Oxyuroidea) is described from Euscorpius italicus (Chactidae) on Pag Island (Kvarner Islands), Croatia. The new taxon differs from all other species of Thelastoma in having a cuticle with fine transverse striae. The excretory pore of the female specimens is located in a prebulbar position, the tail is short and subfiliform (5.5-9.3% of the total body length), and the eggs are small (47-52×24-29 mgrm). The males have a short oesophagus and no spicules. This is the first nematode species found in scorpions (Scorpionidea).
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