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Odonata: Coenagrionidae) New records of Coenagrion ornatum in the Czech Republic 15. August 201029 New records of Coenagrion ornatum in the Czech Republic (Odonata: Coenagrionidae) Martin Waldhauser 1 and Michael Mikát 2 1 Administration of Lužické hory Protected Landscape Area, Školní 12, Jablonné v Podještědí, CZ-471 25, <[email protected]> 2 Charles University in Prague, Faculty of Science, Department of Zoology, Viničná 7, Praha 2, CZ-128 43, <[email protected]> Abstract The distribution of Coenagrion ornatum in the Czech Republic is far more exten- sive than considered up to 2009. Before 2009 only one recent population from the Coenagrion ornatum were discovered.Piletický brook These watershed localities and are fivedistributed historical in recordsnorthern, from central Bohemia and eastern and Moravia Bohe- mia.were The known. new CoenagrionIn 2009 twenty-five ornatum newlocalities localities are situated with mostly in open farmland or mining areas at altitudes below 280 m a.s.l. Coenagrion ornatum prefers sunny parts of brooks and amelioration ditches with lush littoral vegetation (e.g. Sparga- nium erectum, Veronica beccabunga, Potamogeton spp., Berula erecta). However, it also occurs along degraded and regulated sections of the streams where the vegetation is dominated by Phalaris arundinacea and Urtica dioica. Zusammenfassung Neue Nachweise von Coenagrion ornatum in der Tschechischen Republik (Odona- ta: Coenagrionidae) – Die Vogel-Azurjungfer C. ornatum ist in der Tschechischen Republik sehr viel weiter verbreitet als bisher angenommen. Vor 2009 waren - kommen in dem Einzugsgebiet des Baches Piletický bei Hradec Kralové bekannt. nur fünf historische Nachweise aus Böhmen und Mähren und einC. aktuellesornatum festVor- Im Jahr 2009 wurden 25 neue Lokalitäten mit Vorkommen von gestellt. Diese Fundorte befinden sich auf 13 Meßtischblättern (MTB) in Nord-, Mittel- und Ostböhmen. Die neu entdeckten Lokalitäten liegenCoenagrion meist in Höhen orna- tumbis zu bevorzugt 280 m ü.M Abschnitte an besonnten mit reicher Abschnitten Vegetation, von Bächen v.a. Sparganium und Meliorationsgräben erectum, Vero- nicain landwirtschaftlich beccabunga, Potamogeton oder bergbaulich spp. und geprägten Berula erecta Landschaften.. Allerdings kommt C. orna- tum deren Vegetation von Phalaris arundinacea und Urtica dioica dominiert wird. auch in begradigten und ausgebauten Abschnitten von Fließgewässern vor, Libellula 29 (1/2) 2010: 29-46 30 Martin Waldhauser & Michael Mikát Souhrn Nové nálezy Coenagrion ornatum v České republice (Odonata: Coenagrionidae) – Rozšíře- ní šidélka ozdobného C. ornatum je v České republice výrazně širší, než se dříve soudilo. Do roku 2009 byl znám výskyt z pěti historických nálezů z Čech i Moravy a jedna recentní populace v povodí Piletického potoka u Hradce Králové. V roce 2009 bylo objeveno 25 lokalit s výskytem C. ornatum ležících v 13 čtvercích síťového mapování v severních, střed- ních a východních Čechách. Nově objevené lokality leží většinou v nadmořské výšce do 280 m na nezastíněných úsecích potoků a melioračních kanálů v nelesní zemědělské, popř. hornické krajině. Coenagrion ornatum upřednostňuje úseky toků s pestrou litorální vege- taci (Sparganium erectum, Veronica becabunga, Potamogeton spp., Berula erecta). Vysky- tuje se ale i na degradovaných úsecích, které byly často dříve regulovány, s dominantní vegetací Phalaris arundinacea a Urtica dioica. Introduction The Ornate Bluet Coenagrion ornatum distribution centred in southeastern Europe and southwestern Asia. Its range reaches to Germany, France and Poland is ( a Ponto-Mediterranean species with the to smaller running waters such as rivulets, brooks, pond outlets and ameliora- tion ditches in sunny, unshaded open landscape.Dijkstra 2006In the). ThisCzech species Republic, is confined typical mud, sometimes even clay silt with some detritus. The geological subsoils are at streambed substrates are fine sands with a certain calcareous proportion and ( 2007). least partially calcareous sediments-1 (marlstone). The flow speed reaches only Conservationlower values, mostlyof Natural 1-10 Habitats cm·s andDolný of Wild Fauna and Flora, known as the Euro- peanThe Union species Habitats is listed Directive in the Appendix (FFH-Richtlinie). II of the In Directive the Czech No. Republic 92/43/EHS one habitat on the of European importance (“NATURA 2000” locality) for this species has been pro- claimed: the Piletický and Librantický Brooks. The occurrence of C. ornatum in the Czech Republic has been known from a very limited number of localities and the knowledge has been based especially on historical data. In Bohemia it was found in the area surrounding the towns of Mladá Vožice and Písek more than a hundred years ago (Krejčí 1890). In Moravia 2000sit was therefound was in Brno-Černovice no record of this ( Czižekspecies 1901),in the Czech in the Republic. Přerov region (Slavíček 1930) and the Osoblaha region (TeyrovskýC. ornatum 1965). From the 1960s till the early- In 2003 a viable population of was found in the Hradec Králové re togion, the which watershed comprises of the thePiletický city of Brook Hradec and Králové its tributaries, and the withvillages the ofexception Bukovina, of Divec, Librantice, Piletice, and Rusek (grid No. 5761. The regular localities belong et al. 2007). a coincidental in-flight detected in the natural monument ‘Na Plachtě’ (grid No. 5861) in 2001 (Mikát & Číp 2004; Mocek 2006; Dolný Libellula 29 (1/2) 2010: 29-46 New records of Coenagrion ornatum in the Czech Republic 31 C. ornatum in the Czech Republic. We would also like to point out that even in an odonatologically relativelyThe aim of well-researched this study is to area present there new are Odonatasurprising species findings that of still may have been evading our attention. It may be expected that other C. ornatum localities within the Czech Republic are awaiting future surveys. Methods The following data was recorded: adults, epigamic behavior (copulation, oviposi- - tured with an entomological net while walking along or in the stream. In other tion, presence of juveniles) and exuviae. Flying or resting damselflies were cap- cases, the damselflies were only observed without being caught. Captured indi vidualsThe survey were determinedwas conducted at the at 85site stream and released sections again. that hadWhile been looking selected for inflying ad- vancedamselflies, (Fig. 5). we The also selection looked for was exuviae. based on either aerial photographs or detailed maps of northwestern, central and eastern Bohemia. The study area is circum- scribed by the towns of Chomutov, Ústí nad Labem, Litoměřice, Mělník, Brandýs- nad Labem, Neratovice, Slaný and Louny. A smaller separate area is situated tooknortheast place of in the 2009 city during of Hradec the periodKrálové, in between which the the species towns wasof Turnov on the and wing Mnicho (25-v- 2009vo Hradiště – 02-vii-2009). and also theThe towns data is of completed Jablonné v with Podještědí several andstill Mimoň.unpublished The research records The survey was conducted during suitable weather – sunny days with tempera- from 2007 and 2008. This data concerns grid No. 5761 only. - specialtures ranging attention from was 23 paid to 30°C to the (a randomwind speed visit as to the the streams locality areNo. situated17 was an in excep lees. tion – it was cloudy with fine rain), there was no or light wind only. However, no with previous records of Coenagrion ornatum During the flight season most of the localities were visited once. Only localities in the years 2006 to 2008 (grid streamNo. 5761) bed were and submergedvisited repeatedly. vegetation In Octoberduring searches 2009 and for May larvae. 2010 larvae were searchedFor the mappingat localities of localities,No. 5, 21, the 22 ordnanceand 23. A survey kitchen map sieve ( was used for raking used. Buchar 1982) – a grid map that corresponds to the MTB (Messtischblatt) system used in Germany – was Results In 2009 Coenagrion ornatum - - (Fig. 1) was found at 31 localities. These were situ ated along the tributaries of the rivers Bílina, Ohře and Labe (river Elbe) in north western, central and eastern Bohemia (Tab. 1). Libellula 29 (1/2) 2010: 29-46 32 Martin Waldhauser & Michael Mikát Table 1. Localities in Czech Republic with new records ofCoenagrion ornatum. – Tabelle 1. Gewässer in der Tschechischen Republik mit neuen Nachweisen von Coenagrion ornatum. Observer, Beobachter: MW Martin Waldhauser, MM Michael Mikát, PM Patrick Marek; MTB ordnance survey map grid, Messtischblatt; la larvae, Larven; ad adults, Adulti; cop copula, Paarungsrad; tan tandem, Tandem; ovi oviposition, Eiablage; imm immatures in- cluded, einschließlich immaturer Tiere. Other Odonata species, andere Libellenarten: Acya Aeshna cyanea, Aimp Anax impera- tor, Cpue Coenagrion puella, Cpul C. pulchellum, Cspl Calopteryx splendens, Cvir C. virgo, Ecya Enallagma cyathigerum, Enaj Erythromma najas, Evir E. viridulum, Iele Ischnura elegans, Ipum I. pumilio, Ldep Libellula depressa, Lqua L. quadrimaculata, Lspon Lestes sponsa, Ocec Ophiogomphus cecilia, Oalb Orthetrum albistylum, Obru O. brunneum, Ocan O. cancellatum, Ocoe O. coerulescens, Pnym Pyrrhosoma nymphula, Ppen Platycne- mis pennipes, Sfus Sympecma fusca, Smet Somatochlora metallica, Sfon Sympetrum fons- colombii, Ssan S. sanguineum. No. MTB Locality (observer) length altitude GPS coordinates observations of a.s.l C. ornatum Characterisation of waterbody other Odonata species 1 5448 pond inlet at the mining dump of Radovesice, village of Razice
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