2004
Letnik 6 • Volume 6

Abstract. During the revision of herbarium material (Herbarium LJU) concerning the genus Epilobium, a new species for the flora of Slovenia was found. The specimen of Epilobium obscurum (short-fruited willowherb) had been collected in 1994 in the Koroška (N Slovenia) region. Eventually, some additional localities of this species in the Pohorje Mts. and in the Štajerska (NE Slovenia) region were recorded. The present article deals with known distribution of the species in Slovenia and its most reliable distinguishing characters.

Key words: Epilobium obscurum, flora, Slovenia

Izvleček. Med nedavno revizijo herbarijskega materiala herbarija LJU je bila odkrita tudi pola z vrsto Epilobium obscurum, najdeno na Koroškem. To je bil prvi podatek o pojavljanju te vrste v Sloveniji. V zadnjih letih smo odkrili še več nahajališč na obmocju Pohorja in Štajerske. V članku predstavljamo trenutno znano razširjenost vrste v Sloveniji in razlikovalne znake, po katerih E. obscurum ločimo od podobnih vrst vrbovcev.

Ključne besede: Epilobium obscurum, flora, Slovenija

Izvleček. Predstavljena je razširjenost škarjevk Apseudes latreilli (Milne Edwards, 1828), Tanais dulongii (Audoin, 1826), Heterotanais oerstedi (Krøyer, 1842) in Leptochelia savigny (Krøyer, 1842) (Tanaidacea: Peracarida: Crustacea) v slovenskem morju. Leptochelia savigny in Tanais dulongii sta običajna prebivalca vzdolž celotne slovenske obale in ju najdemo tudi v globoki vodi. Apseudes latreilli je redek prebivalec detritno-školjčnega dna, Heterotanais oerstedi pa je bil najden le v somorni vodi v izlivu Dragonje, kar je hkrati prva navedba te vrste za slovensko morje.

Ključne besede: škarjevke, Tanaidacea, Apseudes latreilli, Tanais dulongii, Heterotanais oerstedi, Leptochelia savigny, Slovenija, severno Jadransko morje

Abstract. Distribution of four tanaid species Apseudes latreilli (Milne Edwards, 1828), Tanais dulongii (Audoin, 1826), Heterotanais oerstedi (Krøyer, 1842) and Leptochelia savigny (Krøyer, 1842) (Tanaidacea: Peracarida: Crustacea) in Slovenian sea is presented. Leptochelia savigny and Tanais dulongii are common species along the entire Slovenian coast and can be found in deeper waters as well. Apseudes latreilli was found on detritus-shell bottom of Piran Bay, while the otherwise abundant population of Heterotanais oerstedi was observed only in brackish waters in the mouth of Dragonja River and is actually the first record of this species for Slovenia.

Key words: tanids, Tanaidacea, Apseudes latreilli, Tanais dulongii, Heterotanais oerstedi, Leptochelia savigny, Slovenia, north Adriatic Sea

Abstract. Spiders from the family Linyphidae: Agnyphantes expunctus, Gongylidium rufipes, Hylyphantes nigritus, Oedothorax apicatus and Panamomops mengei, new for the Slovenian fauna, are discussed.

Key words: Aranea, Linyphiidae, new species, Slovenia, faunistics

Izvleček. Prispevek obravnava pet v Sloveniji doslej še neodkritih vrst pajkov iz družine baldahinarjev (Lyniphiidae): Agnyphantes expunctus, Gongylidium rufipes, Hylyphantes nigritus, Oedothorax apicatus in Panamomops mengei.

Ključne besede: Aranea, Linyphiidae, nove vrste, Slovenija, favnistika

Izvleček. Med letoma 2000 in 2004 je bila vrsta zabeležena na skupno 22 lokalitetah v severni, severovzhodni in jugovzhodni Sloveniji. Zbrani podatki so na kratko ovrednoteni z ekološkega in naravovarstvenega vidika. Z ozirom na status »prioritetne vrste« po Direktivi o habitatih EU je posebej izpostavljena potreba po nadaljnjih raziskavah biologije ter velikosti in dinamike populacij navadnega koščaka v Sloveniji. V uradnih slovenskih predlogih potencialnih posebnih ohranitvenih območij (pSCI) po Direktivi o habitatih EU so bivališča te vrste nezadostno zastopana.

Ključne besede: potočni raki, favnistika, Direktiva o habitatih EU

Abstract. During 2000-2004, the species has been recorded at 22 localities in the northern, north-eastern and south-eastern parts of Slovenia. The records are briefly discussed from ecological and nature conservationist points of view. In the light of »priority species« status according to the EU Habitat Directive, the need for a further research into stone crayfish biology and estimation of its populations size and dynamics in Slovenia is pointed out. In the official Slovene proposals of potential Sites of Community Importance (pSCI) according to the EU Habitat Directive, the habitats of this species are insufficiently represented.

Key words: freshwater crayfish, faunistics, EU Habitat Directive

Abstract. In 1998, 1999 and 2000, samples were taken seasonally in the Savica waterfall in Slovenia. The purpose of the investigation was to establish qualitative species structure and relative abundance of the periphyton. In 1999 and 2000, some physical and chemical parameters were also measured. Altogather, 52 species and subspecies of algae were determined. Most of them belonged to Bacillariophyceae. Phormidium setchelianum Gomont and Cymbella caespitosa (Kütz.) Brun. were new species to Slovenia.

Key words: algae, periphyton, waterfalls, waterfall Savica

Izvleček. V različnih letnih časih v letih 1998, 1999 in 2000 smo vzorčevali perifitonske alge v slapu Savica v Sloveniji. Namen raziskave je bil ugotoviti kvalitativno vrstno sestavo in relativno abundanco združb. V letih 1999 in 2000 smo merili tudi nekatere fizikalne in kemijske dejavnike. Skupaj smo določili 52 razlicnih vrst in podvrst alg. Po številu in podvrst so prevladovale Bacillariophyceae. Phormidium setchelianum Gomont in Cymbella caespitosa (Kütz.) Brun. sta novi vrsti za Slovenijo.

Ključne besede: alge, perifiton, slapovi, slap Savica

Abstract. Karst springs in the Julian Alps were investigated from May to September 1999 to examine the influence of physical and chemical characteristics on macroinvertebrate community composition. The study revealed a great heterogeneity of environmental characteristics and highly variable taxonomic composition and abundance of taxa among individual springs. The results of canonical correspondence analysis (CCA) showed that spring altitude and periphyton coverage were the only environmental parameters significantly influencing the macroinvertebrate community composition.

Key words: macroinvertebrates, karst springs, Julian Alps, spring ecology

Izvleček. Preučevali smo združbe velikih vodnih nevretenčarjev v 16 kraških izvirih na obmocju Julijskih Alp v povezavi z fizikalnimi in kemijskimi lastnostmi izvirskih habitatov v obdobju od maja do septembra 1999. Primerjava okoljskih dejavnikov in združb med posameznimi izviri je pokazala velike razlike tako v fizikalnih in kemijskih značilnostih kot v sestavi združb med posameznimi izviri. Rezultati kanonične korelacijske analize (CCA) kažejo, da sta edino nadmorska višina in pokritost substrata s perifitonom značilno vplivala na sestavo izvirskih združb.

Ključne besede: veliki vodni nevretenčarji, kraški izviri, Julijske Alpe, ekologija izvirov

Abstract. A list of spider species collected in the wider Haloze region during the summer of 2002 is given. Altogether, 76 species belonging to 54 genera and 22 families were recorded at 43 localities, representing the first comprehensive spider list of Haloze. Dipoena braccata (Theridiidae) and Scotophaeus scutulatus (Ganphosidae) are new records for the Slovenian fauna. In addition, the water spider (Argyroneta aquatica), a vulnerable species in Slovenia, was found in one of the Drava River branches.

Key words: spiders, Araneae, Slovenia, faunistics

Izvleček. Predstavljen je seznam pajkov, nabranih poleti 2002 na širšem območju Haloz. Skupaj je bilo nabranih 76 vrst pajkov, pripadajočih 54 rodovom in 22 družinam, kar je tudi prvi detajlni seznam vrst pajkov Haloz. Vrsti Dipoena braccata (Theridiidae) in Scotophaeus scutulatus (Ganphosidae) sta bili prvič zabeleženi na ozemlju Slovenije. Poleg tega je bila v rokavu reke Drave najdena vrsta vodnega pajka Argyroneta aquatica, ki ima v Sloveniji status ranljive vrste.

Kjučne besede: pajki, Araneae, Slovenija, favnistika

Izvleček. Vrsta, ki je v Sloveniji do nedavnega veljala za izjemno redko, je bila v letih 1997-2004 zabeležena na skupno 94 lokalitetah. Pojavlja se skoraj izključno v nižinah, med 100-400 m nadmorske višine. Večina lokalitet se razteza na širšem območju ob reki Muri, Dravi in Dravinji v vzhodnem delu Slovenije, medtem ko je iz osrednje, zahodne in severne Slovenije veliko manj podatkov. Opisani so glavni tipi ustreznih bivališč vrste, orisana je fenologija pojavljanja odraslih žuželk in podana kratka analiza simpatričnega pojavljanja drugih vrst kobilic. V zaključku so predstavljeni vzroki za ogroženost močvirskega murenčka, ki je na osnovi novih podatkov v Sloveniji uvrščen med ranljive vrste. V tem kontekstu so predlagani naravovarstveni ukrepi ter izpostavljena potreba po rednem spremljanju stanja populacij vrste.

Ključne besede: kobilice, Slovenija, Pteronemobius heydenii, razširjenost, biologija, ogroženost

Abstract. For decades known as extremely rare in Slovenia, the species was recorded at 94 localities in the years 1997-2004. It almost exclusively occurs in the lowlands between 100-400 m above sea level. Most of the localities are situated in the wider area along the Mura, Drava and Dravinja rivers in the eastern part of Slovenia, whereas in central, western and northern Slovenia incomparably fewer records are known. As far as biology and ecological demands of the species are concerned, main types of suitable habitat are described, phenology of adults is outlined, and a short analysis of sympatric occurrence of other orthoptera species is given. In conclusion, the reasons for the Marsh-cricket's decline are presented, which has been on the basis of new data declared vulnerable in Slovenia. In this respect, nature conservation measures are proposed and a need for regular population monitoring pointed out.

Key words: grasshoppers, Slovenia, Pteronemobius heydenii, distribution, biology, threat status

Abstract. The authors present new and unpublished information on the distribution of three pierid species in Slovenia, i.e. Gonepteryx cleopatra (Linnaeus, 1767), Colias erate (Esper, 1805), and Colias myrmidone (Esper, 1781). The first two species are very recent additions to the Slovene butterfly fauna and their status in view of the new records is discussed. Colias erate could be considered a resident species in Slovenia as it was found in two consecutive years on two sites along the Drava channels below Formin and Zlatoličje hydroelectric power plants. Colias myrmidone has suffered strong decline throughout the western limit of its distribution in central Europe and should be considered near extinct in Slovenia. The last records of this species in Slovenia are documented.

Key words: distribution, Colias myrmidone, Colias erate, Gonepteryx cleopatra

Izvleček. Avtorja predstavljava nove in neobjavljene podatke o razširjenosti treh vrst belinov Gonepteryx cleopatra (Linnaeus, 1767), Colias erate (Esper, 1805) in Colias myrmidone (Esper, 1781) v Sloveniji. Prvi dve vrsti sta najnovejši pridobitvi v favni dnevnih metuljev Slovenije in v luči novih najdb je razprava o njunem stalnem pojavljanju v Sloveniji. Colias myrmidone je v zadnjih letih izginil iz mnogih predelov srednje Evrope na zahodni meji svojega areala. Tudi pri nas ga lahko prištevamo med vrste na robu izumrtja. Predstavljeni podatki dokumentirajo izginotje te vrste v Sloveniji. Vrsta Colias erate je verjetno stalna vrsta v Sloveniji, saj je bila najdena v dveh zaporednih letih na dveh območjih ob kanalih Drave pod hidroelektrarnama Formin in Zlatoličje.

Ključne besede: razširjenost, Colias myrmidone, Colias erate, Gonepteryx cleopatra

Abstract. A list of fourteen new Hydroptilidae records for the Slovenian caddisfly fauna is given. Genera Agraylea and Stactobia were recorded for the first time in Slovenia. Hydroptila rheni Ris 1903 has been previously known only from a type locality in Switzerland. The number of recorded Slovenian caddisfly species has thus increased to 238.

Key words: Trichoptera, caddisflies, Hydroptilidae, fauna, new records, Slovenia

Izvleček. Naveden je seznam štirinajstih novih vrst družine Hydroptilidae v favni Slovenije. Rodova Agraylea in Stactobia sta bila ugotovljena v Sloveniji prvič. Vrsta Hydroptila rheni Ris 1903 je bila pred tem najdena samo na tipski lokaliteti v Švici. Število vrst mladoletnic, najdenih v Sloveniji, je naraslo na 238.

Ključne besede: mladoletnice, Hydroptilidae, favna, novi podatki, Slovenija

Abstract. The article presents the discovery of an albino Aesculapian Snake (Elaphe ongissima) at Sredma near Brestrnica (UTM WM46, NE Slovenia). The specimen (gender unknown) was about 120 cm long adult with red eyes, pale yellowish underside and dark yellow head, dorsal side and flanks. This is most likely the very first find of this kind in Slovenia.

Key words: reptiles, snakes, Aesculapian Snake, Elaphe longissima, albinism, Slovenia

Izvleček. Članek opisuje najdbo albinističnega primerka navadnega goža (Elaphe longissima) na Sredmi pri Brestrnici (UTM WM46, SV Slovenija). Odrasel osebek neznanega spola je bil dolg 120 cm. Imel je rdeče oči, trebušna stran je bila obarvana svetlo rumeno, preostali deli pa temno rumeno. Verjetno gre za prvo takšno najdbo v Sloveniji.

Ključne besede: plazilci, kače, navadni gož, Elaphe longissima, albinizem, Slovenija