Norwegian Journal of Entomology - Norsk entomologisk forening

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Hågvar & Aakra: Spiders active on snow in Southern Norway Hågvar, E.B. & Hågvar, S. 1975. Studies on the invertebrate fauna on branches of spruce (Picea abies (L.)) during winter. Norw. J. Entomol. 22, 23- 30. Hågvar, S. 1971. Field observations on the ecology of a snow insect, Chionea araneoides Dalm. (Dipt., Tipulidae). Norsk ent. Tidsskr. 18, 33-37. Hågvar, S. 1973. Ecological studies on a winter-active spider Bolyphantes index (Thorell) (Araneida, Linyphiidae). Norsk ent. Tidsskr. 20, 309-314. Hågvar, S. 1976. Phenology of egg development and egg-laying in a winter-active insect, Chionea araneoides Dalm. (Dipt., Tipulidae). Norw. J. Entomol. 23, 193-195. Hågvar, S. 1995. Long distance, directional migration on snow in a forest collembolan, Hypogastrura socialis (Uzel). Acta Zool. Fennica 196, 200-205. Hågvar, S. 2000. Navigation and behaviour of four Collembola species migrating on the snow surface. Pedobiologia 44, 221-233. Hågvar, S. 2001. Occurrence and migration on snow, and phenology of egg-laying in the winter-active insect Boreus sp. (Mecoptera). Norw. J. Entomol. 48, 51-60. Hågvar, S. & Greve, L. 2003. Winter active flies (Diptera, Brachycera) recorded on snow – a longterm study in south Norway. Studia Dipt. 10, 401- 421. Huhta, V. & Viramo, J. 1979. Spiders active on snow in northern Finland. Ann. Zool. Fennici 16, 169- 176. Koponen, S. 1976. Spider fauna (Araneae) of Kevo area, northernmost Finland. Rep. Kevo Subarctic Res. Stat. 13, 48-62. Koponen, S. 1989. Spiders (Araneae) on snow surface in subarctic Lapland. Aquilo Ser. Zool. 24, 91-94. Leinaas, H. P. 1981. Activity of Arthropoda in snow within a coniferous forest, with special reference to Collembola. Holarct. Ecol. 4, 127-138. Leinaas, H. P. 1983. Winter strategy of surface dwelling Collembola. Pedobiologia 25, 235-240. Näsmark, O. 1964. Vinteraktivitet under snön hos landlevande evertebrater. Zoologisk Revy 1, 5-15. Østbye, E. 1966. Edderkoppen som fanger collemboler i nett vinterstid. Fauna (Oslo) 19, 43. Waaler, P. F. 1972. Overvintring og subnival aktivitet hos noen edderkopper. Trasop skolehage 1967-72. 22 pp. Unpublished manuscript. 82 Received 28 March 2006, accepted 25 April 2006.
Lauxania minor Martinek, 1974 (Diptera, Lauxaniidae) in Norway and Sapromyza obsoleta Fallén, 1820 (Diptera, Lauxaniidae) deleted from the Norwegian fauna Lita Greve INTRODUCTION The subfamily Lauxaniinae (family Lauxaniidae, Diptera) is quite diverse in Scandinavia, and includes by far most of the species of Lauxaniidae recorded from Norway. By now 38 species of this subfamily have been published from Norway, compared to 2 species of the subfamily Homoneurinae see Greve & Merz (2003). A new Lauxaniidae species from Norway was identified while surveying material of the genus Lauxania Latreille, 1804. Two species of the genus Lauxania have so far been recorded from Norway, the widely distributed L. cylindricornis (Fabricius, 1794) and the rare L. albomaculata Strobl, 1909 which has recently been recorded from Norway (Greve & Merz 2003). Martinek (1974) described a third species L. minor from Central Europe, today placed in the subgenus Callixania Papp, 1978. One male belonging to L. minor was discovered in the present material. Norw. J. Entomol. 53, 83-84, 22 May 2006 Greve, L. 2006. Lauxania minor (Martinek, 1974) (Diptera, Lauxaniidae) in Norway, and Sapromyza obsoleta Fallén, 1820 (Diptera, Lauxaniidae) deleted from the Norwegian fauna. Norw. J. Entomol. 53, 83-84. Lauxania minor Martinek, 1974 is recorded as a new species to Norway from Bjørkås, Asker Akershus (AK). Material previously published as Sapromyza obsoleta Fallén, 1820, has been examined and proved to be misidentified. S. obsoleta is therefore deleted from the Norwegian fauna. Key Words: Lauxania minor, Sapromyza obsoleta, Lauxaniidae, Diptera, Norway Lita Greve, Zoological Museum, University of Bergen, P.O. Box 7800, N-5020 Bergen. E-mail: lita.greve@zmb.uib.no SUBFAMILY LAUXANIINAE Lauxania (Callixania) minor Martinek, 1974. AK Asker: Bjørkås (EIS 28), Malaise trap, 4 June – 2 July 1995, 1 ♀ leg. L.O. Hansen & O. Hanssen. L. minor Martinek has the characteristic extended postpedicel which is also found in L. cylindricornis (Fabricius). The antennae of L. minor situated on a pronounced edge at the middle of the height of the eyes, without any swelling below the antennae. In L. cylindricornis there is a distinct swelling below the antennae. There are clear differences in the genitalia of both sexes which are figured in Martinek (1974). Dr. B. Merz, Genevé has confirmed my determination of this specimen. The record of L. minor is the first from Fennoscandia and Denmark, and L. minor has not been recorded from other parts of Northwestern Europe. The specimen is deposited in the Zoological Museum, University of Bergen. 83
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checked for this species, as T. pal
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temperatures were more fluctuating,
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Hansen, V. 1927. Biller VII. Bladbi
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Solevåg: Coleoptera from Western N
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Clitellaria ephippium (Fabricius, 1
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INTRODUCTION The Norwegian myriapod
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About half the specimens (~ 46%) we
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♀ leg. Sørarnøy school, Inndyr
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Neverdalen (EIS 125) 4 May 2005 1
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