gous (e.g. Jacot-Guillarmod 1975, Mound etal. 1976, Schliephake & Klint 1979), andMorison (1929) reports records from 102 nativeplants species in Great Britain.Megathrips lativentris (Heeger, 1852)At Dovrefjell recorded from litter in the birchforest (coll. ad. + larvae, N > 10). Also nearTrondheim the species has been recorded in asimilar habitat (Olsen & Solem 1982), andaccording to Mound et al. (1976) it feeds onfungus spores. Previously recorded from litterunder Salix, Corylus, Betula, Fagus, andQuercus, in addition to records from theplant species Acer campestre L., U. europaeus,grass, and Erica arborea L. (Priesner1926-28, 1964, Mound et al. 1976, JacotGuillarmod 1978). Also recorded from nestsof birds and rodents (Schliephake & Klint1979).Haplothrips niger (Osborn, 1883)Only recorded from the mixed vegetationalong the Driva river in the Dovrefjell mountains,in which locality numerous specimenswere collected from T. pratense along theroadside (colI. ad. + larvae, N > 130). Above900 m a.s.l. no records of the species weremade, although T. pratense is commonly foundup to about the tree border. Also nearTrondheim T. pratense apparently is themain host.of the species, although single individualshave been found on other plants(Olsen & Solem 1982). Accordantly, Priesner(1964) states T. pratense as the mainhost of the species, although he reports recordsfrom other Trifolium species, in additionto records from other plants, viz. A nthyllis,Astragalus, Coronilla, Cytisus, Robinia,Lotus and Medicago.Haplothrips propinguusBagnall, 1933Within the sampling areas in the Dovrefjellmountains, numerous specimens were collectedfrom A. millefolium in the mixed vegetationalong Driva (coll. ad. + larvae, N >1400). However, as was the situation for H.niger, the species was not recorded aboveabout 900 m a.s.l. A. millefolium is reportedto be the main host of the species by bothMound et al. (1976) and Schliephake & Klint(1979), and also near Trondheim this is apparentlythe situation. However, single specimensare, in addition, recorded from otherplants, viz. M. inodora and C. latifolia (Olsen& Solem 1982).ACKNOWLEDGEMENTSI am greatly indebted to Dr. J.O. Solem(Trondheim, Norway), for valuable practicalhelp and professional guiding during the presentstudy. I also wish to thank Dr., L. A.Mound (England) and Dr. R. zur Strassen(BRD), who have checked my determinationson thrips species and corrected some ofthem. Simen Bretten and his wife Eli offeredme practical help and suitable working andliving conditions during the field work in theDovrefjell mountains, and this is highly appreciated.Finally I will thank I. Harder, whohas made the typing.REFERENCESAhlberg, O. 1926. Tripsar. Thysanoptera. Svenskinsektfauna 6, 1-62.Gjrerevoll, O. 1975. Vegetasjon og flora. Pp. 4170 in Dovrefjell og Ormtjernkampen. LutherForlag.Jacot-Guillarmod, C.F. 1970. Catalogue of theThysanoptera of the world (Pt. 1). Ann. Cape.Prov. Mus. (Nat. Hist.) 7, 1-216.Jacot-Guillarmod, C.F. 1971. Catalogue of theThysanoptera of the world (Pt. 2). Ann. Cape.Prov. Mus. (Nat. Hist.) 7, 217-515.Jacot-Guillarmod, C.F. 1974. Catalogue of theThysanoptera of the world (Pt. 3). Ann. Cape.Prov. Mus. (Nat. Hist.) 7, 517-976.Jacot-Guillarmod, C.F. 1975. Catalogue of theThysanoptera of the world (Pt. 4). Ann. Cape.Prov. Mus. (Nat.'Hist.) 7, 977-1255.Jacot-Guillarmod, C.F. 1978. Catalogue of theThysanoptera of the world (Pt. 5). Ann. Cape.Prov. Mus. (Nat. Hist.) 7, 1257-1556.J ohnson, C.G. 1950. A suction trap for small airborneinsects which automatically segregatesthe catch into successive hourly samples. Ann.appl. Bioi. 37, 80-91.Kjellsen, E. 1975. Dynamics of Thysanoptera populationson Hardangervidda. Ecological studies17. Fennoscandian Tundra Ecosystemspart 2, 80-83.Lid. J. 1974. <strong>Norsk</strong> og svensk flora. Det norskesamlaget, Oslo.Macfadyen, A. 1955. A comparison of methodsfor extracting soil arthropods. Pp. 315-332 inKevan, D.K. McE. (Ed.) Soil Zoology. Universityof Nottingham School of Agriculture.Morison, G.D. 1929. Observations and recordsfor some Thysanoptera from Great Britain. 5.Physothrips spp. Ent. mono mag. 65, 22-28.90
Maltbrek, J. 1932. Frynsevinger. Danmarksfauna37, 1-146. Kobenhavn.Mound, L.A., Morison, G.D., Pitkin, B.R., & Palmer,J.M. 1976. Thysanoptera. Handbooksforthe Identification ofBritish Insects 1(11), 179. London.Mound, L.A. & Pitkin, B.R. 1972. Microscopicwhole mounts of thrips (Thysanoptera). Entomologist'sGaz. 23, 121-125.Oettingen, H. 1954. Zur ThysanopterenfaunaSchwedens. Entomo/. Tidsskr. 75, 134-150.Nordhagen, R. 1943. Sikilsdalen og Norges fjellbeiter.Bergen Mus. Skr. 22, 1-607.0lsen, A. 1984. The sex ratios of three species ofthrips, Mycterothrips latus (Bagnall), Thripsvulgatissimus Haliday, and Taeniothrips picipes(Zetterstedt) in the Dovrefjell mountains(Thys., Thripidae). Fauna norv. Ser. B, 31,77-80.Olsen, A. & Solem, J.O. 1982. On the Norwegianthrips fauna (Thysanoptera). Fauna norv. Ser.B 29,5-16.Ota, A.K. 1968. Comparison of three methods ofextracting the flower thrips from rose flowers.J. econ. Ent. 61, 1754-1755.Palmer, J.M. 1975. The grassliving genus AptinothripsHaliday (Thysanoptera: Thripidae). J.Entomol. Ser. B44, 175-188.Priesner, H. 1926-28. Die Thysanopteren Europas.(Wien 1928). Neudruck A. Asher & Co.,Amsterdam 1963.755 pp.Priesner, H. 1964. Ordnung Thysanoptera. Bestimmungsbiicherzur Bodenfauna Europas. Liferung2, 1-241.Quick, U. 1977. New records and notes on theSwedish Thrips Fauna (Thysanoptera). Ent.Tidsskt-. 98, 127-131.Schliephake, G. & Klint, K. 1979. Thysanoptera,Franzenflygler. Die Tierwelt Deutschlands. 66Teil,I-477.Strand, T. 1975. Vegetasjon og flora. Pp. 21-23in Dovrefjell og Ormtjernkampen. Luther Forlag.Strassen, R. zur. 1973. Zur Faunistik und Zoogeographieder Thysanopterenfauna der Azorenim Mittes-Atlantik. Bo/. Mus. Munic. Funchal27,26-50.Taylor, E.A., & Smith, F.F. 1955. Three methodsfor extracting thrips and other insects from roseflowers. J. eco/. Ent. 48, 767-768.Taylor, L.R. 1951. An improved suction trap forinsects. Ann. appl. Bioi. 38, 582-591.Taylor, L.R. 1962. The absolute efficiency of insectsuction traps. Ann. appl. Bio/. 50, 405421.Titchak, E. 1967. Untersuchungen zur Systematikdeutcher Thysanoptera. 4. Taeniothrips latus(Bagnall) and Taeniothrips propinguus (Bagnail).Deutsche ent. Zeitschr. N.F. 14, 213236.Received 1 Nov. 1986.91
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No. 11987SER. B VOL. 34NO. 1Norwegi
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Professor Ole A. Srether 50 yearsFo
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senting and systemising these chara
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Raddum, G. & O. A. Sa:ther 1981. Ch
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Contribution to the knowledge of th
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dia is the type locality, Livonia,
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Sverre Kobro, Carl Fredrik Liihr, R
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-.Occurrence and life cycle of Dino
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width of 1 2 3 4pronotum n: 19 13 I
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LITTERAT.UREAubert, J. 1946. Les Pl
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Fig. 1. Brachycaudus (Acaudus) popu
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Nymphal development and food consum
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espectively. At 20°C, mean number
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than P. mali. Upon examination of t
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The first record of Thaumalea ve"al
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Bibio nigriventris Haliday, 1833 (D
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ker 1 ~ 27 June 1873 (ZMO 11293). P
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Megamerina dolium (Fabricius, 1805)
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New Norwegian Empididae (s.str.) (D
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- Page 55 and 56: Table I. Tipulidae species recorded
- Page 57 and 58: area, Torne Lappmark (Tjeder 1978).
- Page 59 and 60: Twelve species of Neuropteroidea an
- Page 61 and 62: Table I. Number of specimens (males
- Page 63 and 64: etween summer and autumn. H. stigma
- Page 65: Distribution and seasonal abundance
- Page 68 and 69: Table I. Number of individuals of v
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- Page 74 and 75: there. This is a northern species,
- Page 76 and 77: denticulata, Onychiurus armatus (Tu
- Page 78 and 79: Kallvellsj0enStroplsj0enKongsvoll B
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- Page 84 and 85: Table 1. Habitat/host plants for th
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