Sjeldne Insekter I Norge 3 Sommerfugler (Lepidoptera)

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Sjeldne Insekter I Norge 3 Sommerfugler (Lepidoptera) Sjeldne insekter i Norge 3 Sommerfugler (Lepidoptera) Lars Ove Hansen Leif Aarvik NINA Norsk institutt for naturforskning Sjeldneinsekter i Norge 3 Sommerfugler(Lepidoptera) LarsOve Hansen LeifAarvik NINANorsk institutt for naturforskning nina fagrapport 038 NINA.NIKUs publikasjoner Hansen, L.O. & Aarvik, L. 2000. Sjeldne insekter i Norge. 3 Sommerfugler (Lepidoptera). — N1NA Fagrapport 38: 1- NINA. NIKU utgir følgende faste publikasjoner: 145. NINA Fagrapport NIKU Fagrapport Her publiseres resultater av NINAs og NIKUs eget forsk- Oslo, februar 2000 ningsarbeid, problemoversikter, kartlegging av kunnskaps- nivået innen et emne, og litteraturstudier. Rapporter utgis ISSN 0805-469X også som et alternativ eller et supplement til internasjonal ISBN 82-426-1115-7 publisering, der tidsaspekt, materialets art, målgruppe m.m. gjør dette nødvendig. Forvaltningsområde: Opplag: Normalt 300-500 Bevaring av naturens mangfold NINA Oppdragsmelding NIKU Oppdragsmelding Rettighetshaver e: Dette er det minimum av rapportering som NINA og NIKU Stiftelsen Norsk institutt for naturforskning (NINA) gir til oppdragsgiver etter fullført forsknings- eller utred- ningsprosjekt. I tillegg til de emner som dekkes av fag- Publikasjonen kan siteres fritt med kildeangivelse rapportene, vil oppdragsmeldingene også omfatte befar- ingsrapporter, seminar- og konferanseforedrag, årsrapporter Redaksjon: fra overvåkningsprogrammer, o.a. Bjørn Åge Tømmerås, NINA Opplaget er begrenset, normalt 50-100. Sats: Temahefter NINA.NIKU Disse behandler spesielle tema og utarbeides etter behov bl.a. for å informere om viktige problemstillinger i sam- Kopiering. funnet. Målgruppen er "almenheten" eller særskilte grupper, Norservice turist- og friluftlivskretser o.l. De gis derfor en mer popu- lærfaglig form og med mer bruk av illustrasjoner enn oven- nevnte publikasjoner. Opplag: 250 Opplag: Varierer Fakta-ark Kontaktadresse: Hensikten med disse er å gjøre de viktigste resultatene av NINA NINA og NIKUs faglige virksomhet, og som er publisert Tungasletta 2 andre steder, tilgjengelig for et større publikum (presse, 7485 Trondheim ideelle organisasjoner, naturforvaltningen på ulike nivåer, Tlf: 73 80 14 00 politikere og interesserte enkeltpersoner). Fax: 73 80 14 01 Opplag: 1200-1800 I tillegg publiserer NINA og NIKU-ansatte sine forsknings- resultater i internasjonale vitenskapelige journaler, gjennom populærfaglige tidsskrifter og aviser. Tilgjengelighet: Åpen Oppdragsgiver: Prosjekt nr.: 16304 Direktoratet for naturforvaltning Ansvarlig signatur: ) 2 nina fagrapport 038 Referat Abstract Hansen, L.O. & Aarvik, L. 2000. Rare species of insects in Hansen, L.O. & Aarvik, L. 2000. Sjeldne insekter i Norge. 3 Norway. 3 Moths and butterflies (Lepidoptera). — NINA 1-145. Sommerfugler (Lepidoptera). — NINA Fagrapport 38: Fagrapport 38: 1-145. Denne utredninga gir en oversikt over de arter av The present report gives a survey of the species of moths sommerfugler (Lepidoptera) som kan betraktes som sjeldne i and butterflies (Lepidoptera) which are considered rare in Norge. Av totalt 2101 arter som til nå er registrert i Norge, er Norway. A total of 2101 species are recorded from Norway, 530 inkludert her. Dette utgjør mer enn 25 % av artene. Som and 530 of these are included here. This is more than 25 % kriterier for utvalget er det benyttet en kombinasjon av of the total number of species in Norway. A combination of utbredelse, antall funn, historiske data, økologi og opp- distribution, number of records, historical information, lysninger fra våre naboland. For hver art er det angitt ecology and information from neighbouring countries have utbredelse utenfor Norge, biotop, larvenes næringsplanter, been used as criteria for the selection of species. World og alle kjente norske funn. Videre gis det en kort vurdering distribution, habitat, larval foodplants and all known av eventuelle trusler arten er utsatt for i Norge, samt forslag Norwegian records are given for each species. A brief til rødlistekategori. consideration of the threats for each species is also given together with a proposal of «red-list» category. Følgende forslag til rødlistekategoriserte arter presenteres: 126 arter er gitt status «utilstrekkelig kjent» (K), og åtte av The following proposal for red-list categories are presented: disse er oppført med tilleggsstatus «ansvarsart» (A). Her 126 species are classified «insufficiently known» (K), and finner vi en stor del småsommerfugler der utbredelsen er eight of these are additionally classified «responsibility dårlig kjent. Videre er 233 arter gitt status «sjelden» (R), og species» (A). Many of these are microlepidoptera which in 33 av disse er gitt tilleggsstatus «ansvarsart» (A). Her finnes Norway are poorly known. Furthermore, 233 species are de to eneste endemiske artene for Norge: Clepsis mehli classified «rare» (R), and 33 of these are «responsibility (Tortricidae) og Agrotis luehri (Noctuidae). Femtini av artene species» (A). The two endemic Norwegian species Clepsis er gitt status «hensynskrevende» (V+), og av disse er ån gitt mehli (Tortricidae) and Agrotis luehri (Noctuidae) are among tilleggsstatus «ansvarsart» (A). Tjuetre arter er gitt status these. Fiftynine species are classified «in need of «usikker» (I). Videre er 71 arter oppført som «sårbare» (V), monitoring» (V+), and one of these is classified as «respon- og åtte har her fått tilleggsstatus «ansvarsart» (A). Femten sibility species» (A). Twentythree species are considered arter er vurdert som «direkte truet» (E) i Norge, og her er ån «indeterminate» (I). Furthermore, 71 species are considered art gitt tilleggsstatus «ansvarsart» (A). Kun tre arter er gitt «vulnerable» (V), and eight of these are also classified as status «forsvunnet» (Ex). Totalt er 51 arter gitt tilleggsstatus «responsibility species» (A). Fifteen species are considered «ansvarsart» (A). Flertallet av disse har en begrenset nordlig «endangered» (E), and one of these is classified «respons- utbredelse, og mange av dem er beskrevet fra Fenno- ibility species» (A). Only three species are considered skandia. «extinct» (Ex). A total of 51 species are classified as «responsibility species» (A). The majority of these have a Et flertall av artene er sørlige eller sørøstlige arter med sin limited northern distribution and several are described from nordgrense i Sør-Norge. Disse trues på grunn av Fennoscandia. ødeleggelse av kystnær natur spesielt i Oslofjordområdet og langs Sørlandskysten. Andre viktige trusler mot The majority of the classified species have a southern or sommerfuglene er moderne skogbruk, driftsendringer i land- southeastern distribution, with their northern limit of bruket, drenering, elveforbygninger og sur nedbør. distribution in southern Norway. Many are threatened due to demolition of coastal nature, in particular in the Oslofjord Emneord: Biologisk mangfold — Sjeldne arter — Rødliste — area and along the coast of southern Norway. Other Sommerfugler — Lepidoptera Trusler — Norge. important threats against moths and butterflies are modern forestry, management changes in agriculture, drainage, Lars Ove Hansen, Sparavollen 23,3021 Drammen. construction of walls atong rivers and acidic percipitation. Leif Aarvik, Nyborgveien 19A, 1430 Ås. Keywords: Biodiversity — Rare species — Red-list — Butterflies Moths — Lepidoptera — Threats Norway. Lars Ove Hansen, Sparavollen 23, N-3021 Drammen, Norway. Leif Aarvik, Nyborgveien 19A, N-1430 Ås, Norway. 3 nina fagrapport 038 Forord Raastad og Lita Greve Jensen som åpnet dørene for oss ved hhv. Zoologisk Museum i Oslo og Zoologisk Museum i Insektene er den klart største gruppe av organismer i Norge Bergen. Meget stor hjelp har vi fått av Lepidopterologisk og ellers i verden, både med hensyn til antall arter og antall arbeidsgruppe i Norsk Entomologisk forening (LEP-ARB), individer. Skal arbeidet med å bevare det biologiske som foruten forfatterene, består av Sigurd A. Bakke, Yngvar mangfoldet lykkes, kan man ikke ignorere insektene selv om Berg, Øistein Berg, Kai Berggren, Bjørn Fjellstad, Kai Myhr, de er krevende å arbeide med på grunn av den enorme Heimo Pöyhönen og Svein Svendsen. Videre takk til artsrikdommen. følgende personer for å ha bidratt med informasjon: Trond Andersen, Alf Bakke, Jostein Berge, Anders Bjørnstad, Jan Blant de større insektordenene er sommerfuglene den best 1.1. Båtvik, Rune Christensen, Claus Christiansen, Anders kjente. Gjennom lang tid har man skaffet seg kunnskap om Dahl, Hallvard Elven, Jostein Engdal, Sigmund K. Hansen, de forskjellige artenes levevis og utbredelse. Mange arter er Oddvar Hanssen, Harald Hjelde, Arild Isaksen, Arne kjente og kjære for folk flest, og samtidig er fiere arter gode Isaksen, Kai Johansen, Sverre Kobro, Torstein Kvamme, indikatorer på «den økologiske sunnheten» i et område. Slik Ole J. Lønnve, Reidar Mehl, Egil Michaelsen, Tony Nagypal, kan sommerfugler benyttes som indikatorgruppe i arbeidet Per S. Nedreberg, Thor Jan Olsen, Bjørn A. Sagvolden, med biologisk mangfold og utvelgelse av nøkkelbiotoper og Atve Sommerro, Arnt H. Stendalen, Geir E.E. Söli, Ove verneområder. Sørlibråten, Per Tallaksrud, Per Tangen, Magne-Henrik Velde, Ola Wergeland Krog, Frode Ødegaard og Stein Å lage ei rødliste er en prosess som neppe noen gang blir Åsheim, samt alle de samlere som gjennom tidene har ferdig. Ved neste korsvei vil arter bli fjernet fra denne lista, innrapportert sine funn. noen vil skifte status, og nye arter vil komme inn. Da håper vi bakgrunnsinformasjonen er mer utfyllende enn den er nå. Til slutt en stor takk til Kaare
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