Browsing Naturhistorisk museum by Title

Now showing items 134-153 of 222

  • New records of Encyrtidae (Hymenoptera, Chalcidoidea) from Norway II 
    Japoshvili, George; Hansen, Lars Ove (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
    The collection of the family Encyrtidae at the Natural History Museum of Oslo is revised, and this study focuses on the ethanol preserved material in particular. Eighteen species are reported for the first time from Norway, ...
  • New records of Encyrtidae (Hymenoptera, Chalcidoidea) from Norway III 
    Hansen, Lars Ove; Japoshvili, George (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
    The collection of the family Encyrtidae at the Natural History Museum of Oslo is revised, and this study focuses on the ethanol-preserved material in particular. Sixteen species are reported for the first time from Norway, ...
  • New records of Encyrtidae (Hymenoptera, Chalcidoidea) from Norway IV 
    Japoshvili, George; Hansen, Lars Ove (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    The study of the collection of the family Encyrtidae at the Natural History Museum of Oslo continues. Eighteen species are reported for the first time from Norway in this revision, bringing the total number of Norwegian ...
  • New records of Encyrtidae (Hymenoptera, Chalcidoidea) from Norway V 
    Hansen, Lars Ove; Japoshvili, George (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    The study of the family Encyrtidae at the Natural History Museum of Oslo continues. Sixteen species are reported for the first time from Norway in this revision, bringing the total number of Norwegian encyrtids up to 123. ...
  • New records of Encyrtidae (Hymenoptera, Chalcidoidea) from Norway VI 
    Japoshvili, George; Hansen, Lars Ove (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    The study of the family Encyrtidae at the Natural History Museum of Oslo continues. 13 species are reported for the first time from Norway in this revision, bringing the total number of Norwegian encyrtids up to 136. ...
  • New records of Encyrtidae (Hymenoptera, Chalcidoidea) from Norway, with additional information on host associations 
    Hansen, Lars Ove; Thuroczy, Csaba; Japoshvili, George (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
    The material of the family Encyrtidae at the Natural History Museum of Oslo is revised. A total of 22 species is reported for the first time from Norway. Thus, the total number of Norwegian encyrtid species is now 42. ...
  • New records of lichenized and lichenicolous fungi in Scandinavia 
    Westberg, Martin; Timdal, Einar; Asplund, Johan; Bendiksby, Mika; Haugan, Reidar; Jonsson, Fredrik; Larsson, Per; Odelvik, Göran; Wedin, Mats; Millanes, Ana M. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    Fourteen species of lichenized or lichenicolous fungi are reported new to either Norway or Sweden or both countries. Several of these are rare and almost unknown. The reported species are: Acarospora insignis (new to ...
  • New records of Pteromalidae (Hymenoptera, Chalcidoidea) from Norway 
    Lindemann, Jon Peder Hjertenes; Hansen, Lars Ove (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    The following five species of the family Pteromalidae are reported for the first time from Norway: Gastrancistrus autumnalis (Walker, 1834), Gastrancistrus picipes (Nees, 1834), Glyphognathus laevis (Delucchi, 1953), ...
  • A new upper jurassic ophthalmosaurid ichthyosaur from the Slottsmøya Member, Agardhfjellet Formation of central Spitsbergen 
    Roberts, Aubrey Jane; Druckenmiller, Patrick Scott; Sætre, Glenn-Peter; Hurum, Jørn Harald (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    Abundant new ichthyosaur material has recently been documented in the Slottsmøya Member of the Agardhfjellet Formation from the Svalbard archipelago of Norway. Here we describe a partial skeleton of a new taxon, Janusaurus ...
  • No Evidence for Pre-Copulatory Sexual Selection on Sperm Length in a Passerine Bird 
    Lifjeld, Jan Terje; Laskemoen, Terje; Kleven, Oddmund; Pedersen, Anne Tiril Myhre; Lampe, Helene M.; Rudolfsen, Geir; Schmoll, Tim; Slagsvold, Tore (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
    There is growing evidence that post-copulatory sexual selection, mediated by sperm competition, influences the evolution of sperm phenotypes. Evidence for pre-copulatory sexual selection effects on sperm traits, on the ...
  • Nordic LifeWatch cooperation, final report: A joint initiative from Denmark, Iceland, Finland, Norway and Sweden 
    Hanssen, Frank Ole; Heggberget, Tor Gravråk; Bladt, Jesper; Endresen, Dag Terje Filip; Forsius, Martin; Gudmundsson, Gudmundur A.; Gärdenfors, Ulf; Heiðmarsson, Starri; Kindvall, Oscar; Koch, Wouter; Koivula, Hanna; Laiho, Eija-Leena; Obst, Matthias; Skov, Flemming; Telenius, Anders; Valland, Nils; Wasowicz, Pawel; Wremp, Anna Maria (Research report / Forskningsrapport / PublishedVersion, 2014)
    The main goal of the present report is to outline the possibilities for an enhanced cooperation between the Nordic countries within eScience and biodiversity. LifeWatch is one of several ESFRI projects which aim to establish ...
  • Nordic-Baltic Checklist of Lepidoptera 
    Aarvik, Leif; Bengtsson, Bengt Åke; Elven, Hallvard; Ivinskis, Povilas; Jürivete, Urmas; Karshol, Ole; Mutanen, Marko; Savenkov, Nikolay (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    The Lepidoptera species recorded in Iceland, Norway, Sweden, Denmark, Finland, Estonia, Latvia and Lithuania are listed. The history of lepidopterology in the Nordic-Baltic area and in each country is outlined. The current ...
  • Notes on Norwegian Coleoptera 6 
    Hansen, Lars Ove; Sagvolden, Bjørn A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2007)
    This contribution deals with additions and corrections to the list of Norwegian Coleoptera. The following three species are reported for the first time from Norway: Nicrophorus interruptus Stephens, 1830 (Silphidae), ...
  • The number and distribution of polar bears in the western Barents Sea area. 
    Aars, Jon; Marques, T.A.; Lone, K.; Andersen, M.; Wiig, Øystein; Fløystad, I.M.B.; Hagen, S.B.; Buckland, S.T. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    Polar bears have experienced a rapid loss of sea-ice habitat in the Barents Sea. Monitoring this subpopulation focuses on the effects on polar bear demography. In August 2015, we conducted a survey in the Norwegian Arctic ...
  • Old and new Norwegian records of Camillidae (Diptera), a family missing from the checklist 
    Boumans, Louis (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
    Eleven specimens of Camilla flavicauda Duda 1922 were accidentally reared indoors in Oslo, and a twelfth one was later found free living. In addition, four old specimens of Camilla glabra (Fallén, 1823) were found in the ...
  • Om planter som passer til kort og kold sommer 
    Resvoll, Thekla R. (Doctoral thesis / Doktoravhandling, 1917)
  • The originally East Palaearctic crane fly Tipula (Platytipula) moiwana (Matsumura, 1916) (Diptera, Tipulidae) found in Oslo, an addition to the Norwegian fauna 
    Boumans, Louis; de Jong, Herman; Oosterbroek, Pjotr (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
    Females of the autumn crane fly Tipula (Platytipula) moiwana (Matsumura, 1916) were collected along the river Ljanselva in Oslo. This species was hitherto only known from the easternmost Palaearctic and from the Moscow and ...
  • Osteology and relationships of Colymbosaurus Seeley, 1874, based on new material of C. svalbardensis from the Slottsm?ya Member, Agardhfjellet Formation of central Spitsbergen 
    Roberts, Aubrey Jane; Druckenmiller, Patrick S.; Delsett, Lene Liebe; Hurum, Jørn Harald (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    Colymbosaurus is a genus of long-necked plesiosaurian represented by two valid species: C. megadeirus from the Upper Kimmeridge Clay Formation (Kimmeridgian–Tithonian) of the United Kingdom and C. svalbardensis from the ...
  • Panaphis juglandis (Goeze, 1778) and Chromaphis juglandicola (Kaltenbach, 1843) (Hemiptera, Aphididae) in Norway – two aphid species associated with common walnut (Juglans regia L.) 
    Magnussen, Trude; Hansen, Lars Ove (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    The two aphid species Panaphis juglandis (Goeze, 1778) and Chromaphis juglandicola (Kaltenbach, 1843) were recorded on leaves of common walnut (Juglans regia L.) in June and July 2014 in the Botanical garden at Tøyen, Oslo. ...
  • Past Arctic aliens have passed away, current ones may stay 
    Alsos, Inger Greve; Ware, Christopher; Elven, Reidar (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    Increased human activity and climate change are expected to increase the numbers and impact of alien species in the Arctic, but knowledge of alien species is poor in most Arctic regions. Through field investigations over ...