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Fauna norv. Ser. B 42.1995--------------------------------------- peditus Meigen, 1820 have been recorded, one T-21 S? ; Do. (Site 11) T-3 2 00 1 S? (together with species X. ater Meigen, 1804 has hitherto not X. compeditus se below); Enebakk: Vangen (Site been recorded from Norway. 48) T-2 1 S?; L~renskog: Losby (Site 93) T-2 1 S? Sum: 2 0 0 5 S? S? . One of us (LG) has for years sorted out Xylophagidae from material collected by dif 2. X. cinctus (DeGeer, 1776) ferent scientists. This material contained anot AK Rre1ingen: Losby (Site 3) T-2 1 S?; L~renskog: her new species to Norway, e.i. Xylophagus Losby (Site 14) T-21 S?; Enebakk: Vangen (Site 22) T-2 1 0; Do. (Site 25) T-2 1 S?; Enebakk: Vangen junki (Szilady in F. Dahl, 1932). (Site 26) T-2 1 S?; Enebakk: Vangen (Site 86) T-2 1 S? . Sum: 1 0 5 S? S? . The material, dried from alcohol, is kept in the Zoological Museum, Bergen. 3. X.compeditus Meigen, 1820 AK Rre1ingen: Losby (Site 11) T-3 2 00 (together with X. ater see above); Enebakk: Vangen (Site 25) SYSTEMATICS T-3 2 00; L~renskog: Losby (Site 44) T-2 1 S?; Enebakk: Ekeberg (Site 53) T-2 1 S?; L~renskog: The family Xylophagidae includes one genus Kirkerud (Site 63) T-2 1S?; L~renskog:/Losby (Site with 13 species of rather big flies (Krivosheina 97) T-2 1 O. SUM: 5 00 3 S? S? . & Mamaev 1988). Five species occur in the NW of Europe, and they have all been recorded Most specimens of all species were trapped in from Sweden (Hedstrom 1991). Hedstrom sites of old spruce forests with high densities (1991) presents a key to species level, and the of decaying wood (Sites 1, 3, 11, 14, 22, 25, key includes all species presented here. 26). The largest number of specimens were collected at Site 11 which included large It should be noted that the nomenclature of amounts of decaying aspen (Populus tremula Xylophagus has varied during the last decenni L.). More unusually, some specimens were ums. Collin (1962) used X. ater Meigen, 1804 trapped in clearcuts (Site 86) and young stands as name for X. compeditus Meigen, 1820. In of spruce (Picea abies L.) (Sites 93 and 97). recent Scandinavian literature Hedstrom (1986) followed the nomenclature of Collin. However, The total number of specimens (21) was rela both Hedstrom (1991) and the present article tively low compared to the large sampling follow the nomenclature used by Krivosheina effort. In comparison, Greve, Olsen & Solem & Mamaev (1988). Accordingly, the species (1984) reported 17 specimens of one species , referred to as X. compeditus Wiedemann, 1851 X. compeditus Meigen, 1820 collected from in both Greve, Olsen & Solem (1984) and two localities in 1980 and 1981. Greve, Solem & Bretten (1987) is the same as X. compeditus Meigen, 1820 used here. Many specimens are associated with decom posing timber of deciduous trees or conifers The larvae of this family usually live under (Krivosheina & Mamaev 1972) and adults are bark of living and decaying trunks and roots usually found on tree-trunks (Krivosheina & of deciduous and coniferous trees. Mamaev 1988). The developement of X. ater takes place in deciduous trees only. The material: A fourth Norwegian species, X. junki (Szilady 1. Xylophagus ater Meigen, 1804 in F.Dahl 1932), is represented by only two AK Rre1ingen: Losby (Site 1) T-21 S?; Do. (Site 11) specimens and were collected at : NTI Lieme: 140 --------------------------Faunanary. Ser. 842.1995 Kveskallen EIS 103 Malaise trap 7-26 June them Europe. More studies of their ecological 1986 1 ~ leg. Oddvar Hanssen and FI requirements may reveal to what extent they S0rvaranger: Svanvik, Svanhovd EIS 169 are vulnerable to modern forest management. Malaise trap 20 June-4 Aug. 1986 1 ~ leg. Fred Midtgaard. ACKNOWLEDGEMENTS A fifth species, X. matsumurai Miyatake, 1965 has been recorded from Jokkmokk in The material of X. ater was from the research Sweden (Hedstrom 1991), and may possibly programme "Forest ecology and multiple occur in the northern parts of Norway. use". We thank all contributors during the planning and the field work. According to Hedstrom (1991), X. ater is a rare species in Sweden. Most of the Swedish We would also like to thank Fred Midtgaard, specimens were collected near to decaying Oslo and Oddvar Hanssen, Trondheim who deciduous trees, often with fungi. This species collected the two females of Xylophagus is also recorded from Finland, parts of the for junki. mer Soviet, Germany and Austria. X. junki is considered to be endangered in SAMMENDRAG United Kingdom (Falk 1992). One specimen was recorded from Scotland in 1913, and it has Xylophagus ater Meigen, 1804 og X. junk; not been collected from this region since. The (Szilady i F. Dahl, 1932) (Diptera; Xylop species is classified as rare in Sweden hagidae) nye for Norge (Hedstrom 1991). Two specimens from Sweden were collected in pitfall traps close to To fluearter av slekten Xylophagus som tilhp standing trees of Populus tremulus, Betula sp. rer familien Xylophagidae, "vediluer", er rap and decaying pine and spruce (Hedstrom porterte som nye for Norge: Xylophagus ater 1991). It is assumed to develop in old pine tre Meigen, 1804 og X. junki (SziHldy i F. Dahl es, dead tt;ees or dead wood (Falk 1992). The 1932). Fa individer av disse artene ble funnet locality in Lieme (Kveskallen) contained 10 n1 til tross for en relativt stor innsamlingsintensi tall pine trees , many rotten stumps of spruce, tet. Denne artikkelen presenterer alle de arter and some dead birch with poliphorus fungi. av slekten Xylophagus som hittil er omtalt fra Norge, og gir i tillegg informasjon om biologi X. cinctus is referred to as "rare" in the British og utbredelse. isles (Falk 1992). In the United Kingdom it is recorded only from the Scottish highlands. X. cinctus is not a common species in Norway. REFERENCES X. ater Meigen 1804 and X. junki (SziHldy in Collin, J.E. 1962. A species of Xylophagus F.Dahl, 1932) may be classified as rare in (Diptera, Xylophagidae) new to Britain. Norway, because (1) only few specimens have - Entomologist 95: 272-274. been found despite relatively large sampling Falk, S. 1992. A review of the scarce and trea effort, and (2) they are classified as rare in our tened flies of Great Britian (part 1). neighbouring countries. These two species Research and survey in nature conservation. appear to be connected with the forest envi - Nature Concervancy Council, Peter ronments which have been declining in nor- borough 39: 194. 141 Fauna norv. Ser. B 42. 1995 Greve, L., 0lsen, A. & Solem, J.O. 1984. er utviklingstid og flygetid angitt. I alt 28 arter er avbildet pa tre fargetavler og en god del tekstfigurer Xylophagus compeditus Wiedemann, 1851 angir artsforskjeller. Det er ti -femten gode fargefo in Norway (Dipt., Xylophagidae). - Fauna tos i heftet som viser arter eller levesteder. Den dan norv. Ser. B 31: 111-113. ske faunaen pa 51 arter dekker sa godt som alle nor Greve, L. Solem, lO. & Bretten, S. 1987. ske, bare et par nordlige arter mangler. Bibionidae, Xylophagidae, Rhagionidae, Psilidae, Micropezidae, Clusiidae and I utgangspunktet er dette en delikat trykksak som Piophilidae (Diptera) from the Dovrefjell burde "selge" godt. Dessverre ma jeg si at de til gjengelige 32 sider kunne vrert brukt enna bedre. National Park, South Norway. - Fauna norv. Som forfatteren sier i innledningen er det forrige Ser. B 34: 75-79. danske verket over 0yenstikkere fra 1910. Dette Hedstrom, L. 1986. Svenska insektfynd - rap heftet fors0ker muligens derfor bade a tilfredsstille port 2. - Ent.Tidskr. 107: 139-147. dem som 0nsker en kortfattet generell kunnskap om Hedstrom, L. 1991. Svenska insektfynd - rap 0yenstikker og dem som kunne 0nske seg en opp port 7. - Ent. Tidsskr. 112: 133-146. gradering av bestemmelesboken fra 1910. De f0rste Krivosheina, N.P. & Mamaev, B.M. 1972. A far en kanskje litt for kortfattet innf0ring illustrert med vakre fotos. De mer spesielt interesserte far et review of Palaearctic species of the genus hefte som nesten er en komplett "Fauna"tmed farge Xylophagus Meig. (Diptera, Xylophagidae). tavler, strektegninger og en kortfattet tekst som - Ent. Obozr. 51: 430-445. bade skal gj 0re det mulig a kunne bestemme artene Krivosheina, N.P. & Mamaev, B.M. 1988. og angi utbredelse, habitat og flygetid. Family Xylophagidae. - Pp. 35-38 in Soos, A. & Papp L. (eds.). - Catalogue of Tekstfigurene, boksene og fargetavlene gj0r det Palaearctic Diptera Volume 5, Athericidae sannsynligvis mulig for bade forfatteren og anmel deren a bestemme hvilken art vi har fanget. Men viI Asilidae. Akademiai Kiado. Budapest. 446. en som ikke har bestemt 0yenstikkere f0r klare det ? Jeg tror en pedagogisk godt tegnet bilden0kkel, slik en kan finne i flere moderne europeiske 0yenstik kerb0ker, ville vrert bedre enn den fremstilling som Bokanmeldelse er valgt og det uten a ta mere plass enn de ti sider som na gar med. Sma utbredelseskart for artene i Ole Fogh Nielsen : Danmarks guldsmede -Natur Danmark ville ogsa gitt informasjon som hadde og Museum 34. argang nr. 2, juni 1995, 32 sider. vrert verdifull for oss nordiske naboer. Naturhistorisk Museum, Bygning 210, Universi tetetsparken, DK- 8000 Danmark. Heftepris kr 42 Videre ville jeg ha droppet mye eller alt av stoffet (danske). om slektskapsforhold, utviklingshistorie og morfo logi til fordel for flere sider om artenes levesteder i Det er gjennom arene kommet en rekke fine og tilta Danlnark og bevaringsbiologiske forhold. Det er lende orienteringshefter om planter og dyr i den mulig at jeg tar feil, men jeg tror at flere av dem danske serien Natur og Museum.