First record of Gomphus pulchellus in the Czech Republic 20. Dezember 2014189 First documented record of Gomphus pulchellus in the Czech Republic (Odonata: Gomphidae)
Martin Černý 1, Martin Waldhauser 2 and Lukáš Vintr 3
1) Department of Ecology, Charles University in Prague, Viničná 7, Prague, 128 44, Czech Republic,
Abstract
One male of Gomphus pulchellus was recorded and photographically documented on 08 June 2014 near the township Lány, ca 40 km west of Prague.
Zusammenfassung
Erster dokumentierter Nachweis von Gomphus pulchellus für die Tschechische Republik (Odonata: Gomphidae) – Ein Männchen von G. pulchellus wurde am 08. Juni 2014 nahe der Ortschaft Lány (Lana), ca. 40 km westlich von Prag, beobachtet und fotografisch do- kumentiert.
Abstrakt
První zdokumentovaný nález Gomphus pulchellus v České republice (Odonata: Gomphi- dae) – Klínatka G. pulchellus byla poprvé nalezena a zároveň dobře fotograficky zdokumen- tována na území České republiky. Nález byl uskutečněn 8. června 2014 jižně od obce Lány, střední Čechy, přibližně 40 km západně od Prahy.
Introduction
Gomphus pulchellus is an endemic species in western Europe, regularly and often abundantly occurring on the Iberian Peninsula, in France, Belgium, Switzerland, the Benelux countries, and the western part of Germany ( 2004; 2006). A growing number of records during the last decades indi- Askew Dijkstra & Lewington Libellula 33 (3/4) 2014: 189-194 190 Martin Černý, Martin Waldhauser & Lukáš Vintr cate that it tends to expand its range eastwards (e.g., 1980; 2005; et al. 2013; in press). Nevertheless, until spring 2014, Rudolph Monnerat- cords inBuczyński Bavaria just ca 10 kmSuhling from the Czech west border ( 1998; the occurrence in Czechia 2014;has not M. been Winterholler reliably confirmed and B. Kunz, although pers. therecom.). are How re- Kuhn Bund partNaturschutz of Bohemia, in anBayern individual of G. pulchellus was recently recorded near Prague. ever, despite having been expected to appear first on streams in the very western
This finding is reported here. Record
A mature male of Gomphus pulchellus (Fig. 1) was recorded on 08 June 2014 ca
40 km west of Prague, south of the small town Lány at a locality named «Pánova perchinglouka» (50.10847°N, on the water 13.944969°E, side of the sedges altitude on the415 bank m a.s.l.) of the by pond. a fishpond It changed (Fig. the2). perchThe dragonfly from time was to observed time after for disturbances more than an by hour males around of Orthetrum noon, most cancellatum of the time and Anax imperator passing by.
Figure 1. Gomphus pulchellus male, recorded south of Lány, Central Bohemia CZ (8-vi-2014). – Abbildung 1: Männchen von Gomphus pulchellus, beobachtet bei Lány, Mittelböhmen (08.06.2014). Photo: LV
Libellula 33 (3/4) 2014: 189-194 First record of Gomphus pulchellus in the Czech Republic 191
The pond itself used to be a swimming pool with banks stabilized by concrete panelsThe respective that were fishpond overgrown belonged by lush to aherbaceous small pond vegetation system surrounded consisting by of forest. Carex paniculata, Juncus effusus, J. inflexus, and Typha latifolia. The water was clear, with were scarce comprising mainly perch (Perca fluviatilis). The banks were open and transparency of ca 0.6 m, the bottom was mostly sandy with clay patches, fish turbid water, closely surrounded by trees. At the ponds, Orthetrum cancellatum, Platycnemistreeless. The pennipes,other two and ponds Ischnura eastward elegans were were different, the most with abundant high fish stock odonates. and Widely common species such as Enallagma cyathigerum, Coenagrion puella, Libel- lula quadrimaculata, Anax imperator, and Somatochlora metallica were also pres- ent, but in lower numbers. No other large waterbodies existed nearby, the closest - phids, there was Berounka River about 8 km south, coming from west Bohemia. one was Klíčava Reservoir 4 km further south. As a water course suitable for gom
Discussion
Gomphus pulchellus is considered an endemic species to Southwest Europe, rang- ing northwards to the Netherlands, and eastwards reaching the western part of
Figure 2. Record site of Gomphus pulchellus in Czechia, a fishpond south of Lány, Central Bohemia. – Abbildung 2: Fundort von Gomphus pulchellus in der Tschechischen Republik, ein Weiher südlich von Lány (Lana), Mittelböhmen. Photo: MW
Libellula 33 (3/4) 2014: 189-194 192 Martin Černý, Martin Waldhauser & Lukáš Vintr
Germany and Austria ( 2006). Single records are reported from northern Italy ( 1994) and Croatia ( 1984), but these may just be incidentalDijkstra &as Lewington no stabile populations are known there. How- ever, recently a recordSchneider of the larva & ofUtzeri G. pulchellus was reportedSchneider from Montenegro ( et al. 2013) which may indicate a viable population, though further Gomphus pulchellus is also reported from Slo- vakiaBuczyński ( 1958), Romania ( 1968), and Macedonia ( confirmation would be desirable. erroneousDudich or considered doubtfulPlatttner ( 1996; Beschovski 2004; 1994), but theseet al. records 2013). Theare given same without is true any for verifiable a former evidence record reported or they were from South Bohemia by (2000) althoughSuhling it is &incorporated Müller in theAskew recent Czech Buczyński et al. 2007). However, according to Flíček (2011) this record from 10 August 1967 at ponds in South Bo- highly detailed dragonfly monograph (Dolný - erJeziorski specimen & Holuša has been destroyed by pests and there are no photographs available. Furthermore,hemia is unreliable neither and the unverifiable. exact locality According nor the number to J. Flíček of individuals(pers. com.), is the given, vouch and the record itself was published more than thirty years later by (2000). In the most recent odonate checklist of the Czech Republic, G. pulchellus is omitted, listed only among species with possible occurrence ( Flíček 2012).
In Germany, the eastward expansion is documented Jeziorskiduring the & lateHoluša 20th century ( ). To reach regions situ- ated further east of Czechia, the corridors of Naab and Main Rivers might be im- Suhling & Müller 1996; Wildermuth & Martens 2014 (Eger). This corresponds to the nearest known records of Gomphus pulchellus in Bavariaportant asca both10 km originate west of in the the Czech same border region inas watershedsthe eastward of flowing the tributaries river Ohře of the rivers Regen and Naab (M. Winterholler and B. Kunz, pers. com.; 1998; e.V . 2014). Recently, the species is also reported reaching the river Elbe in northern Germany which may constitute anotherKuhn suit- ableBund corridor Naturschutz for eastward in Bayern expansion (F. Suhling, pers. com).
It is noteworthy that within Gomphidae an expansion of the range is rather ex- ceptional as there are no such tendencies in the other species of this family at least in Europe although e.g. Lindenia tetraphylla is known to form migratory swarms ( ). It seems likely that an expansion of G. pul- chellus may be facilitated by human activities such as extraction of gravel or sand, providingSuhling additional & Müllerbreeding 1996 habitats ( ). This species, - iments, which especially applies to the Suhlinghabitats &of Müllerthe core 1996 area, i.e. in South- westsimilarly Europe. to other However, gomphids, towards inhabits the eastern preferably part ofsluggish its range, rivers it readily with fineshifts sed its breeding sites to still waters with sparse riparian vegetation such as sand, clay and gravel pits, oxbows, ponds, and lakes in open landscape ( habitat requirements. Müller & Suhling 1990; Suhling 1994). Our record, though rather incidental, seems to match these
Libellula 33 (3/4) 2014: 189-194 First record of Gomphus pulchellus in the Czech Republic 193
Acknowledgements
We are grateful to Bernd Kunz and Michael Winterholler for providing valuable information on the habitat preferences of Gomphus pulchellus and to Hansruedi - script. Wildermuth, Pawel Buczyński, and Frank Suhling for improvement of the manu References
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