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Acta Musei Moraviae, Scientiae biologicae 94/2009

Obsah - Inhalt - Contents
 
 HULA V., NIEDOBOVÁ J. & KOŠULIČ O.: Overwintering of spiders in land-snail shells in South Moravia (Czech Republic).  Abstract1
 


 VLAŠÁNEK P.: A record of the Blue (Scarce) Chaser (Libellula fulva) in South Moravia, Czech Republic (Odonata).  Abstract13
 


 HOLUŠA J., MARHOUL P., ŠTĚPÁNOVÁ L. & KOČÁREK P.: The occurrence of the Redwinged Grasshopper Oedipoda germanica in the Czech Republic (Orthoptera: Acridiidae).  Abstract15
 


 KMENT P.: Oxycarenus lavaterae an expansive species new to Romania (Hemiptera: Heteroptera: Oxycarenidae).  Abstract23
 


 KMENT P., ŠTYS P., EXNEROVÁ A., TOMŠÍK P., BAŇAŘ P. & HRADIL K.: The distribution of Tropidothorax leucopterus (Hemiptera: Heteroptera: Lygaeidae) in the Czech Republic and Slovakia.  Abstract27
 


 KMENT P., HRADIL K. & JINDRA Z.: The distribution of Pinthaeus sanguinipes in the Czech Republic and Slovakia (Hemiptera: Heteroptera: Pentatomidae).  Abstract43
 


 STEHLÍK J. L.: Five new species of Antilochus Stál, 1863 from the Old World (Heteroptera: Pyrrhocoridae).  Abstract57
 


 FIKÁČEK M., BOUKAL M., LOKKOS A., KRAUS Z. & KŘIVAN V.: First records of Cercyon hungaricus Endr.dy-Younga, 1967 from Slovakia, notes on its distribution and biology, and fixation of its type specimens (Coleoptera: Hydrophilidae: Sphaeridiinae).  Abstract73
 


 CHVOJKA P., KOMZÁK P. & ŠPAČEK J.: New faunistic records of Trichoptera (Insecta) from the Czech Republic, III.  Abstract81
 


 STRAKA M., KMENT P., SYCHRA J. & HELE.IC J.: The proposed Úvalský rybník Nature Monument, an important refuge for wetland insects in South Moravia (Czech Republic): A species inventory of Odonata, Heteroptera and Coleoptera (partim) with the first Czech record of Corixa panzeri (Heteroptera: Corixidae).  Abstract87
 


 MLÍKOVSKÝ J. & SUTOROVÁ H.: Type specimens of birds in the collections of the Moravian Museum, Brno, Czech Republic  Abstract117
 


 ANTONÍN V.: Distribution and ecology of Xerula melanotricha Dörfelt in the Czech Republic (Basidiomycetes, Physalacriaceae).  Abstract127
 


 SUTORÝ K.: Material of type character in the Münch-Bellinghausen collection in the Moravian Museum, Brno (BRNM). 8. Bryophytes.  Abstract137
 


 TRÁVNÍČEK B., DUCHOSLAV M., ŠARHANOVÁ P. & ŠAFÁŘOVÁ L.: Squills (Scilla s.lat., Hyacinthaceae) in the flora of the Czech Republic, with taxonomical notes on Central- European squill populations.  Abstract157
___________________________________________________________________________________
ABSTRACT - 
VLADIMÍR HULA1, JANA NIEDOBOVÁ1, ONDŘEJ KOŠULIČ2
1Agronomical faculty of Mendel University Brno, Department of Zoology, Fisheries, Hydrobiology and Apiculture, Zemědělská 1, CZ-613 00 Brno, Czech Republic;e-mail: hula@mendelu.cz (corresponding author)
2Morkùvky 229, CZ-69172, Klobouky u Brna, Czech Republic

HULA V., NIEDOBOVÁ J. & KOŠULIČ O. 2009: Overwintering of spiders in land-snail shells in South Moravia (Czech Republic). Acta Musei Moraviae, Scientiae biologicae (Brno) 94: 1.12.
That spiders overwinter in land-snail shells is known, but the phenomenon has only rarely been studied. Anumber of published works from middle Europe address it, but none from the Czech Republic. The aim of this research is to find which spider species overwinter in empty land-snail shells in the xeric habitats of South Moravia (Czech Republic). During the winter of 2008/2009 we collected 2448 empty land-snail shells from 31 localities in South Moravian. The shells were the remains of three species from three genera (Cepea vindobonensis, Helix pomatia and Helicella sp.). We found a total of 185 spiders . 150 adults and juvenile spiders that were determinable (20 species and 9 families) and 35 juvenile spiders (determined to family or genus level only). We also found six species that feature in the Red List of threatened species in the Czech Republic (four classified as vulnerable species and two as endangered). The most important record is of one juvenile gnaphosid Phaeocedus braccatus, hitherto known from only three historical localities. We confirmed that several species show a positive affinity to empty land-snail shells, particularly Pellenes tripunctatus, Pellenes nigrociliatus, Sitticus pennicilatus and Myrmarachne formicaria.
 
Key words. spiders, land-snail shells, overwintering, xeric habitats
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 ABSTRACT - PETR VLAŠŠÁNEK
Department of Zoology, School of Sciences, University of Southern Bohemia & Institute of Entomology, Biological Centre of the Czech Academy of Science, BranišŠovská 31, CZ-370 05 České Budějovice, The Czech Republic; e-mail: petisko@centrum.cz 
VLAŠŠÁNEK P. 2009: A record of the Blue (Scarce) Chaser (Libellula fulva) in South Moravia, Czech Republic (Odonata). Acta Musei Moraviae, Scientiae biologicae (Brno) 94: 13–14. – 
A new record of the critically endangered dragonfly Libellua fulva Müller, 1764 is reported. It was observed close to the town of Kostice in South Moravia, the Czech Republic, on 6 May 2008.
  
Keywords. Faunistics, Odonata, Libellula fulva, Moravia
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 ABSTRACT - JAROSLAV HOLUŠA1, PAVEL MARHOUL2, LUCIE ŠTĚPÁNOVÁ3, PETR KOČÁREK4
1Department of Forest Protection and Game Management, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Kamýcká 1176, CZ-16521 Praha 6-Suchdol, Czech Republic;e-mail
:holusaj@seznam.cz
2 Daphne CZ . Institute of Applied Ecology, Slezská 125, CZ-130 00 Praha 3, Czech Republic
3 Department of Ecology and Environmental Sciences, Faculty of Science, Palacky University, Olomouc,Svobody 26, CZ-77146 Olomouc, Czech Republic
4 Department of Biology and Ecology, University of Ostrava, Chittussiho 10, CZ-711 00 Ostrava 2,Czech Republic
HOLUŠA J., MARHOUL P., ŠTĚPÁNOVÁ L. & KOČÁREK P. 2009: The occurrence of the Red-winged Grasshopper Oedipoda germanica in the Czech Republic (Orthoptera: Acridiidae). Acta Musei Moraviae, Scientiae biologicae 94: 15.21. 
Oedipoda germanica has been confirmed in almost all its historical localities in the Czech Republic. The main range is the valley of the Radotín brook [Radotínský potok] at the south-west edge of Prague, and the surroundings of Velká Chuchle. The current situation of the species in the central part of the Czech Karst protected landscape area (central Bohemia) remains unclear but additional localities have been discovered. In the Czech Highlands (northern Bohemia), three localities were previously known but the population survives only in the locality of Ko.ťálov. With the exception of one place in Prague, all other localities are situated on the left banks of the Vltava and Labe rivers, indirectly demonstrating that this species is not able to surmount rivers. O. germanica was found on steep, non-weedy parts of rocks, ledges, debris, and worked-out parts of quarries. It is appropriate to classify the species as critically endangered in the Czech Republic.
 
Keywords. Oedipoda germanica, distribution, Czech Republic
___________________________________________________________________________________
 
ABSTRACT - 
PETR KMENT
Department of Entomology, National Museum, Kunratice 1, CZ-148 00 Praha 4, Czech Republic;
e-mail: sigara@post.cz 
KMENT P. 2009: Oxycarenus lavaterae, an expansive species new to Romania (Hemiptera: Heteroptera:Oxycarenidae). Acta Musei Moraviae, Scientiae biologicae (Brno) 94: 23.25. 
Oxycarenus lavaterae (Fabricius, 1787) is recorded for the first time in the territory of Romania (Banat). This record confirms a further expansion of its range towards the north and east.
 
Keywords. Heteroptera, Oxycarenidae, Oxycarenus lavaterae, Romania, Bulgaria, range expansion
___________________________________________________________________________________
 
ABSTRACT - PETR KMENT1, PAVEL ŠTYS2, ALICE EXNEROVÁ2, PAVEL TOMŠÍK3
PETR BAŇAŘ4,5 & KAREL HRADIL6
1Department of Entomology, National Museum, Kunratice 1, CZ-148 00 Praha 4, Czech Republic; 
e-mail: sigara@post.cz 
2Charles University, Prague, Faculty of Science, Department of Zoology, Viničná 7, CZ-128 44 Praha 2, 
Czech Republic
3Charles University, Prague, Faculty of Medicine, Hradec Králové, Department of Biochemistry,
Šimkova 870, CZ-500 01 Hradec Králové, Czech Republic; e-mail: tomsikp@lfhk.cuni.cz 
4Department of Entomology, Moravian Museum, Hviezdoslavova 29a, CZ-627 00 Brno-Slatina, 
Czech Republic; e-mail: petrbanar@seznam.cz 
5Forestry and Game Management Research Institute, Department of Forest Protection, Strnady 136, 
CZ-252 02 Jíloviště, Czech Republic
6State Phytosanitary Administration, Tylova 29, Jičín, CZ-506 01, Czech Republic;
e-mail: KHradil@seznam.cz 
PETR KMENT, PAVEL ŠTYS, ALICE EXNEROVÁ, PAVEL TOMŠÍK, PETR BAŇAŘ& KAREL HRADIL 2009: The distribution of Tropidothorax leucopterus in the Czech Republic and Slovakia (Hemiptera: Heteroptera: Lygaeidae). Acta Musei Moraviae, Scientiae biologicae (Brno) 94: 27.42. 
The past and recent occurrence of Tropidothorax leucopterus (Goeze,1778) (Lygaeidae: Lygaeinae) in the Czech Republic and Slovakia is analysed, and the biology and ecology of the species are reviewed. It is recorded for the first time from Bohemia, which testifies to its current northward spread in Central Europe.
 
Keywords. Heteroptera, Lygaeidae, Tropidothorax leucopterus, Bohemia, Moravia, Czech Republic, Slovakia, Greece, biology, ecology, range expansion
___________________________________________________________________________________
 
ABSTRACT - PETR KMENT1, KAREL HRADIL2 & ZDENĚK JINDRA3
1 Department of Entomology, National Museum, Kunratice 1, CZ-148 00 Praha 4, Czech Republic; 
2 State Phytosanitary Administration, Tylova 29, Jičín, CZ-506 01, Czech Republic; 
3 Department of Plant Protection, Faculty of Agrobiology, Food and Natural Resources, Czech University of 
Agriculture, CZ-165 21 Praha 6-Suchdol, Czech Republic; e-mail: palomena@seznam.cz
KMENT P., HRADIL K. & JINDRA Z. 2009: The distribution of Pinthaeus sanguinipes in the Czech Republic andSlovakia (Hemiptera: Heteroptera: Pentatomidae). Acta Musei Moraviae, Scientiae biologicae (Brno) 94: 43.55.

All available published and unpublished distributional records of Pinthaeus sanguinipes (Fabricius,1781) in the Czech Republic and Slovakia are summarized, mapped and discussed. The distribution of this species in the Czech Republic (both Bohemia and Moravia) is disparate, with records pooled to three periods (c. 1890.1903, 1936.1952, and 1993 . present). The pattern for Slovakia is less clear, with several records before 1897 and only seven scattered records between 1947 and 1992.
 
Keywords. Pentatomidae, Asopinae, Pinthaeus, distribution, Bohemia, Moravia, Czech Republic, Slovakia
___________________________________________________________________________________
 
ABSTRACT - JAROSLAV L. STEHLÍK
Department of Entomology, Moravian Museum, Hviezdoslavova 29a, CZ-627 00 Brno-Slatina, Czech Republic 
STEHLÍK J. L. 2009: Five new species of Antilochus Stĺl, 1863 from the Old World (Heteroptera: Pyrrhocoridae). Acta Musei Moraviae, Scientiae biologicae (Brno) 94: 57.71. 
A new subgenus and five new species of the genus Antilochus  Stĺl, 1863 are described, namely Afroantilochus subgen.nov., Antilochus (Antilochus) angustus  sp.nov. (Indonesia: Buton Island), Antilochus (Antilochus) sulawesiensis  sp.nov. (Indonesia: Sulawesi), Antilochus (Antilochus) webbi sp.nov. (southern India), Antilochus (Afroantilochus) kmenti sp.nov. (Angola, Burundi, Democratic Republic of the Congo, Tanzania), Antilochus (Afroantilochus) similis sp.nov. (Côte d.Ivoire, Democratic Republic of the Congo, Cameroon, Uganda).
 
Keywords. Heteroptera, Pyrrhocoridae, Antilochus, new subgenus, new species, distribution, Afrotropical Region, Oriental Region
___________________________________________________________________________________
ABSTRACT - 
MARTIN FIKÁČEK1,2, MILAN BOUKAL3, ANDOR LÕKKÖS4, ZDENĚK KRAUS5 & VÁCLAV KŘIVAN6
1Department of Entomology, National Museum, Kunratice 1, CZ . 148 00 Praha 4, Czech Republic; e-mail: mfikacek@seznam.cz 
2Department of Zoology, Faculty of Science, Charles University, Prague, Viničná 7, CZ . 128 44 Praha 2, Czech Republic
3Kpt. Baroše 409, CZ-530 09 Pardubice, Czech Republic; e-mail: milanb@seznam.cz 
4Department of Animal Science and Animal Breeding, Georgikon Faculty, University of Pannonia, H-8340, Keszthely, Deák F. u. 16., Hungary; e-mail: a.lokkos@gmail.com 
5Mikulovice 242, 671 33, Mikulovice u Znojma, Czech Republic; e-mail: kraus.ento@seznam.cz
6Štěměchy 68, 675 27 Předín; e-mail: vasek.krivan@email.cz 
MARTIN FIKÁČEK, MILAN BOUKAL, ANDOR LÕKKÖS, ZDENĚK KRAUS & VÁCLAV KŘIVAN 2009: First records of Cercyon hungaricus Endrődy-Younga, 1967 from Slovakia, notes on its distribution and biology, and fixation of its type specimens (Coleoptera: Hydrophilidae: Sphaeridiinae). Acta Musei Moraviae, Scientiae biologicae (Brno) 94: 73.80.
Distributional data of the Pannonian endemic species Cercyon hungaricus Endrődy-Younga, 1967 (Coleoptera: Hydrophilidae: Sphaeridiinae) are summarized and mapped, including of first records of the species from Slovakia and additional records from Hungary. The species is diagnosed and the diagnostic characters are illustrated. Based on data made available through recently collected specimens, the species is considered to inhabit leaf litter and plant debris on the shores of various kinds of standing water, but to avoid habitats that are too wet or seasonally submerged. A lectotype is designated in order to clarify a complicated situation arising out of three previously published .descriptions. of the species.
 
Keywords. Hydrophilidae, Megasternini, Cercyon hungaricus, Central Europe, Pannonian Basin, morphology, biology, distribution, lectotype designation
___________________________________________________________________________________
 
ABSTRACT - 
PAVEL CHVOJKA1, PETR KOMZÁK2 & JAN ŠPAČEK3
1 Department of Entomology, National Museum, Kunratice 1, CZ-148 00 Praha 4, Czech Republic;e-mail: pavel_chvojka@nm.cz 
2 Morava River Basin, s.e., Dřevařská 11, CZ-601 75 Brno, Czech Republic; e-mail: komzak@email.cz 
3 Labe River Basin, s.e., V. Nejedlého 951, CZ-500 03 Hradec Králové, Czech Republic;e-mail: spacek@pla.cz 
CHVOJKA P., KOMZÁK P. & ŠPAČEK J. 2009: New faunistic records of Trichoptera (Insecta) from the Czech Republic, III. Acta Musei Moraviae, Scientiae biologicae (Brno) 94: 81.85. 
Three species, Synagapetus dubitans McLachlan, 1879, Apatania carpathica Schmid, 1954 (both from Moravia), and Drusus chrysotus (Rambur, 1842) (from Bohemia), are reported from the Czech Republic for the first time, while HydroptilaNocculta (Eaton, 1873), Hydropsyche tenuis Navás, 1932, Setodes punctatus (Fabricius, 1793), and OecetisNtestacea (Curtis, 1834) are new records for Moravia. New faunistic data on several rare species are also provided.
 
Key words. Trichoptera, Czech Republic, Bohemia, Moravia, faunistics, new records
___________________________________________________________________________________
 
ABSTRACT - MICHAL STRAKA1, PETR KMENT2, JAN SYCHRA3 & JAN HELEŠIC4
1 Department of Botany and Zoology, Masaryk University, Kotlářská 2, CZ-611 37 Brno, Czech Republic;e-mail: michal.straka@centrum.cz 
2 Department of Entomology, National Museum, Kunratice 1, CZ-148 00 Praha 4, Czech Republic;e-mail: sigara@post.cz 
3 Department of Botany and Zoology, Masaryk University, Kotlářská 2, CZ-611 37 Brno, Czech Republic;e-mail: dubovec@seznam.cz 
4 Rybáře 34, CZ-691 53 Tvrdonice, Czech Republic; e-mail: helesic.jan@seznam.cz 
STRAKA M., KMENT P., SYCHRA J. & HELEŠIC J. 2009: The proposed Úvalský rybník Nature Monument, an important refuge for wetland insects in South Moravia (Czech Republic): A species inventory of Odonata, Heteroptera and Coleoptera (partim) with the first Czech record of Corixa panzeri (Corixidae). Acta Musei Moraviae, Scientiae biologicae (Brno) 94: 87.116
In the course of surveys in the years 2000.2003 and especially in 2009, 162 species of Odonata (21), Heteroptera (50) and Coleoptera  Haliplidae, Noteridae, Dytiscidae, Carabidae, Helophoridae, Hydrophilidae, Hydraenidae, Scirtidae, Dryopidae, Heteroceridae) (91) were recorded within the area of the proposed Úvalský rybník Nature Monument. One species, Corixa panzeri Fieber, 1848 (Heteroptera:  orixidae), was recorded for the first time in the Czech Republic. Six of the recorded species are classified as critically endangered in the Czech Republic: Corixa affinis Leach, 1817, Haliplus furcatus Seidlitz, 1887, H. variegatus Sturm, 1834, Cybister lateralimarginalis (DeGeer, 1774), Hydrophilus atterimus (Eschscholtz, 1882) and Hydraena paganettii Ganglbauer, 1901; five species are endangered: Sympetrum meridionale (Sélys, 1841), Bidessus nasutus Sharp, 1887, Hydrovatus cuspidatus (Kunze, 1818), Pterostichus cursor (Dejean, 1828) and Dryops similaris Bollow, 1936; fourteen are classified as vulnerable and five as near threatened. The occurrence of the endangered species is commented upon and suggestions made concerning the management of this unique locality. 
 
Keywords. Odonata, Heteroptera, Coleoptera, species inventory, salt marsh, nature conservation, Moravia, Czech Republic
___________________________________________________________________________________
 
ABSTRACT - 
JIŘÍ MLÍKOVSKÝ1 & HELENA SUTOROVÁ2
1Department of Zoology, National Museum, Václavské náměstí 68, CZ-115 79 Praha 1, Czech Republic; e-mail: jiri.mlikovsky@nm.cz 
2Department of Zoology, Moravian Museum, Zelný trh 6, CZ-659 37 Brno, Czech Republic;e-mail: hsutorova@mzm.cz 
MLÍKOVSKÝ J. & SUTOROVÁ H. 2009: Type specimens of birds in the collections of the Moravian Museum,nBrno, Czech Republic. Acta Musei Moraviae, Scientiae biologicae (Brno) 94: 117.125.
The Moravian Museum, Brno, in the Czech Republic, houses types of two recent bird taxa: Tetrastes bonasia horicei Hachler, 1950 (Tetraonidae), and Emberiza schoeniclus seilerni Hachler, 1952 (Emberizidae). The holotype of Calamoherpe brehmii Müller, 1830  Sylviidae) was also deposited in the collections of this museum, but has long been missing.
 
Key words. Moravian Museum, Aves, type specimens, taxonomy, nomenclature
___________________________________________________________________________________
ABSTRACT - VLADIMÍR ANTONÍN
Moravian Museum, Dept. of Botany, Zelný trh 6, CZ-569 37 Brno, Czech Republic;e-mail: vantonin@mzm.cz
ANTONÍN V. 2009: Distribution and ecology of Xerula melanotricha Dörfelt in the Czech Republic (Basidiomycetes, Physalacriaceae). Acta Musei Moraviae, Scientiae biologicae (Brno) 94: 127.135.
Xerula melanotricha Dörfelt is a distinctive fungus known from 36 localities in the Czech Republic. Most collections (with three exceptions explained in text) come from coniferous trees or forests (Picea abies and Abies alba). It is a late summer and autumnal species, usually growing from July to October, and occurs on both calcareous and acid soils. It is widely distributed in central, southern and western Europe, but has not yet been found in the Nordic countries. In the Czech Republic it grows in near-natural, man-influenced, and man-made forests and is not, therefore, of use as a bio-indicative species. 
 
Key words. Basidiomycota, Xerula melanotricha, ecological valence, distribution, Czech Republic
 
___________________________________________________________________________________
 
ABSTRACT - KAREL SUTORÝ
Moravian Museum, Department of Botany, Hviezdoslavova 29a, 627 00 Brno, Czech Republic;e-mail: ksutory@mzm.cz 
 SUTORÝ K. 2009: Material of type character in the Münch-Bellinghausen collection in the Moravian Museum, Brno (BRNM). 8. Bryophytes. Acta Musei Moraviae, Scientiae biologicae 94: 137.156. 
 The contribution presented is the eigth in a series evaluating material from the Münch-Bellinghausen collection in the Moravian Museum, following on from the W. Besser, F. Waldstein, P. Kiteibel, D. H. Hoppe, A. Rochel, K. B. Presl, P. Salzmann and the P. G. Gaertner, B. Meyer and J. Scherbius. Wetterauische Flora. exsiccate collections. 
  
 Key words. Moravian Museum, Department of Botany, Münch-Bellinghausen collection, O.C. Blandow , G.E.W. Crome, H.C. Funck, J.C. Schleicher, J.W.P. Hübener
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ABSTRACT - BOHUMIL TRÁVNÍČEK, MARTIN DUCHOSLAV, PETRA ŠARHANOVÁ & LENKA ŠAFÁŘOVÁ
Department of Botany, Faculty of Science, Palacký University, Šlechtitelů 11 
CZ-771 46 Olomouc, Czech Republic; 
 TRÁVNÍČEK B., DUCHOSLAV M., ŠARHANOVÁ P. & ŠAFÁŘOVÁ L. 2009: Squills (Scilla s.lat., Hyacinthaceae) in the flora of the Czech Republic, with taxonomical notes on Central-European squill populations. Acta Musei Moraviae, Scientiae biologicae (Brno) 94: 157.205.
 The division of the genus Scilla L. (sensu latissimo) into several narrowly defined genera is discussed. These narrow genera are, with exceptions, accepted; with reference to this, a few new nomenclatural combinations are proposed: Nectaroscilla littardierei (Breistr.) Trávníèek, Othocallis amoena (L.) Trávníèek, O. siberica subsp. armena (Grossh.) Trávníèek, subsp. caucasica (Miscz.) Trávníèek and subsp. otschiauriae (Mordak) Trávníèek. The division of the genus Scilla s.str. into two sections is proposed: (1) sect. Scilla, comprising all species of the S. bifolia group in the broader sense, and (2) sect. Chionodoxa (Boiss.) Trávníèek, which contains taxa formerly included in the genus Chionodoxa Boiss. The first section consists of taxa native to the Czech Republic, the second of solely alien and cultivated taxa. A spontaneous hybrid between S. bifolia subsp. bifolia from sect. Scilla and a species from the group of S. luciliae from sect. Chionodoxa was found in a park in the Czech Republic. A new taxonomic concept of the S. bifolia group in the Czech Republic, central Europe, and adjacent parts of the Carpathians and the Pannonian Plain, is proposed. Three species are recognized: the diploid (2n = 18, 2x), Carpathian S. kladnii Schur (= S. subtriphylla Schur), the diploid (2n = 18, 2x), predominately Pannonian S. vindobonensis Speta and the widely distributed S. bifolia L. The microspecies S. buekkensis Speta, S. drunensis (Speta) Speta, S. laxa Schur and S. spetana Kereszty are co-opted as well as S. bifolia s.str. into the latter species. Three relatively widely distributed and vicariant subspecies are recognized within S. bifolia: (1) subsp. bifolia from the Alps and adjacent parts of Europe, comprising S. bifolia s.str. and (peri-)Alpine populations of S. drunensis; (2) subsp. buekkensis (Speta) Soó from the Carpathians and the Matricum, comprising S. buekkensis, S. laxa, and Carpathian populations formerly classified as S. drunensis; and (3) subsp. spetana (Kereszty) Trávníèek from the Pannonian Plain, comprising S. spetana and also some Pannonian populations formerly classified as S. laxa and S. drunensis. A fourth subspecies is described herein: subsp. rara Trávníèek, endemic to a single locality in south-western Moravia in the Czech Republic. Subsp. bifolia comprises diploid populations (2n = 18, 2x) treated as var. bifolia and tetraploid ones (2n = 36, 4x) treated as var. drunensis (Speta) Trávníèek and the stenoendemic var. bohemica Trávníèek, newly described from Bohemia. Populations of subsp. buekkensis and subsp. rara are tetraploid (2n = 36, 4x). Populations of subsp. spetana are hexaploid (2n = 54, 6x), and may be dividend morphologically into two varieties: var. spetana and var. magnomoravica Trávníèek, which is known from only a single locality in South Moravia. In subpopulations of the subspecies mentioned, there is a signifiant proportion of individuals morphologically strongly converging towards other subspecies of S. bifolia, and plants with an aberrant ploidy level sometimes occur (except in subsp. rara). Therefore, all four subspecies can be identified only at the population level and not at the level of  ndividual plants.
  
 Keywords. Scilla s.lat., Scilla bifolia group, taxonomy, nomenclature, variability, distribution, the Czech Republic, Central Europe
 
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