Rhabdiopteryx hamulata
Creators: name: Žiak, Matej
name: Krno, Il'ja
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Plecoptera
Taeniopterygidae
Rhabdiopteryx
Rhabdiopteryx hamulata

description: <i>Rhabdiopteryx hamulata</i> (Klapálek 1902) The genus <i>Rhabdiopteryx</i> is currently represented in Slovakia by three species: <i>R. acuminata</i> Klapálek 1905, <i>R. navicula</i> Theischinger 1974 and an alpine species, <i>R. neglecta</i> (Albarda 1889). Distribution of these species is very well analyzed and documented (Krno 2004b), however, for many years the questions of occurrence of <i>R. harperi</i> Vinçon &amp; Murányi, 2009 and <i>R. hamulata</i> have remained. The former species is still not confirmed in Slovakia, but we expect it may occur in eastern Slovakia in the Bukovské Mountains. Krno (2000) and Šporka (2003) suggested the latter species occurs in the Dunaj River basin in Slovakia, but this has not been confirmed, and its occurrence in the Danube River was considered doubtful by Ujhelyi (1975). In 2009, we found the first confirmed Slovakian records of larvae and adults of <i>R. hamulata</i> in two upland to submontane brooks in the Hron River basin in southern Slovakia (Fig. 5). Globally, this species has a disjunct population in Bulgaria (Braasch &amp; Joost 1975), and is also known from Macedonia (Ikonomov 1986) and Hungary (Kovacs &amp; Murányi 2008). The species is categorized as vulnerable and the Slovakian populations represent the known northern boundary of its distribution in Europe. The species occurs in the Pannonian ecoregion, but borders the Carpathian ecoregion. Larvae have a speckled appearance with spots forming a transverse row on each abdominal segment, and the subgenital plates of larvae are incised inward at the distal end of the body (Fig. 3). Larval specimens were abundant in Podlu&amp;zcaron;ianka brook, but less common in collections from Sikenica brook in the Štiavnica Mountains. These 4 th order streams are characterized by neovolcanic basins, high fluctuations of flow in spring and autumn and a summer temperature maximum in excess of 20&amp;ring; C. Both brooks flow through Pannonic oak-hornbeam forest. In this biotope we recorded <i>Alnus glutinosa, Ulmus minor, Acer campestre, Fraxinus excelsior</i> and <i>Rubus fruticosus</i> among the floral components. Larvae were frequently associated with submerged roots with entrained leaf packs and streaming detritus. During our examination of larvae, the digestive tracts of 26 specimens were analyzed and the species appears to be a complete detritophage. Larvae were found primarily in the meta and hyporhithral zones, as in Hungary, Bulgaria and Macedonia (Kovacs &amp; Murányi 2008; Tyufekchieva et al. 2013). The species is known from submontane and mountain streams (Újhelyi 1975; Kovacs &amp; Murányi 2008) from localities outside of Slovakia, but in Slovakia the species occurs in upland to submontane streams. <b>Material examined.</b> Slovakia, Štiavnické vrchy Mts, Podlu&amp;zcaron;ianka:1. (N48°18´06.2´´ E18°37´32.9´´), 215m a.s.l., 11.3.2009, 25L, 1&amp;female;, 2&amp;male;, coll. I. Krno, leg. et det. M. &amp;Zcaron;iak; 2. (N48°18´14.8´´ E18°37´57.4´´), 153m a.s.l., 11.3.2009, 4L, coll. I. Krno, leg. et det. M. &amp;Zcaron;iak; Slovakia, Štiavnické vrchy Mts, Sikenica: (N48°18´14.8´´ E18°37´57.4´´), 153m a.s.l., 12.3.2009, 1L, coll. leg. et det I. Krno.
description: Published as part of <i>Žiak, Matej &amp; Krno, Il'ja, 2014, New And Interesting Records Of Plecoptera (Insecta) From Slovakia And Several Autecology Notes, pp. 52-59 in Illiesia 10 (6)</i> on pages 54-57, DOI: 10.5281/zenodo.4757651
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