- E-postendre.willassen@uib.no
- BesøksadresseAllégaten 41Realfagbygget5007 Bergen
- PostadressePostboks 78005020 Bergen
Fylogeni, evolusjonshistorie, biodiversitet
- (2024). When standard DNA barcodes do not work for species identifcation: intermixed mitochondrial haplotypes in the Jaera albifrons complex(Crustacea: Isopoda). Marine Biodiversity.
- (2023). The evolution of female-biased genital diversity in bedbugs (Cimicidae). Evolution. 329-341.
- (2023). Integrative taxonomy of West African Magelona (Annelida, Magelonidae).
- (2023). En oppsummering av Hardbunnsfauna-prosjektet (2019-2022). 188-190.
- (2022). Phylogeny and Cryptic Diversity of Diopatra (Onuphidae, Annelida) in the East Atlantic. Biology (Basel). 25 sider.
- (2022). Mange fluer i én smekk. - DNA-metastrekkoding identifiserer mange organismer samtidig. Årbok for Universitetsmuseet i Bergen. 156-175.
- (2022). Benthic invertebrates in Svalbard fjords—when metabarcoding does not outperform traditional biodiversity assessment. PeerJ. 40 sider.
- (2021). Miljø-DNA i svalbardske fjorder (E-DNA in MAREANO).
- (2021). Kunnskapsstatus for bruk av molekylære verktøy i kartlegging og overvåkning av biologisk mangfold i marine miljø. .
- (2021). Integrative taxonomy of West African Magelona (Annelida: Magelonidae): species with thoracic pigmentation. Zoological Journal of the Linnean Society. 1134-1176.
- (2020). Two centuries of marine biodiversity collections and research.
- (2020). Scanning electron microscopy observations of Loa loa (Nematoda). Case Reports in Ophthalmology. 486-492.
- (2020). Kriterier for lagring av miljø-DNA prøver og data, herunder henvisning til referansemateriale. Criteria for depositing eDNA samples and data, including vouchered specimens. .
- (2020). Evertebrater på grunne hardbunnslokaliteter. Årbok for Universitetsmuseet i Bergen. 186-187.
- (2020). En viss forvirring av ideer - for hva er egentlig en art? Naturen. 84-96.
- (2020). Appelløfs blekksprut.
- (2019). The whale hall - The great swarm.
- (2019). The Magelonidae of West Africa.
- (2019). Integrating DNA barcoding with traditional morphology-based taxonomy: assessment of species diversity in marine bristle worms (Annelida).
- (2019). Five years as national research infrastructure: status of the Norwegian Barcode of Life Network (NorBOL).
- (2019). Five years as national research infrastructure: status of the Norwegian Barcode of Life Network (NorBOL). Genome. 369.
- (2019). DNA barcoding marine fauna with NorBOL — current status. Genome. 449.
- (2019). DNA barcoding assessment of species diversity in marine bristle worms (Annelida), integrating barcoding with traditional morphology-based taxonomy. Genome. 352.
- (2019). DNA barcoding assessment of species diversity in marine bristle worms (Annelida), integrating barcoding with traditional morphology-based taxonomy.
- (2019). DNA barcodes of Nordic Echinodermata. Genome. 393.
- (2019). DNA barcode reference libraries for the monitoring of aquatic biota in Europe: Gap-analysis and recommendations for future work. Science of the Total Environment. 499-524.
- (2019). Bedbugs (Cimicidae) evolved before their bat hosts and did not co-speciate with ancient humans. Current Biology. 1847-1853.
- (2019). A molecular phylogeny of the gastropod family Haminoeidae sensu lato (Heterobranchia: Cephalaspidea): a generic revision. Invertebrate systematics. 426-472.
- (2019). A barcode gap analysis for aquatic biomonitoring in Europe. Genome. 448-448.
- (2019). A barcode gap analysis for aquatic biomonitoring in Europe.
- (2018). The phylogenetic system of Spilomelinae and Pyraustinae snout moths (Lepidoptera: Pyraloidea).
- (2018). The evolution of specialisation and generalism in bedbugs (Cimicidae) .
- (2018). Stedet man ikke må si navnet på. Årbok for Universitetsmuseet i Bergen. 44-55.
- (2018). Rhachotropis (Eusiroidea, Amphipoda) from the North East Atlantic. ZooKeys. 75-101.
- (2018). Phylogeny and systematics of Caudofoveata (Mollusca, Aplacophora).
- (2018). Molecular phylogeny of Caudofoveata (Mollusca) challenges traditional views. Molecular Phylogenetics and Evolution. 138-150.
- (2018). Kvar art sin kode.
- (2018). Evolusjon, art og arv.
- (2018). Developing a high quality DNA barcode reference library: Lessons from marine invertebrates.
- (2018). Data mobilization skills: training on mobilizing biodiversity data using GBIF and BOLD tools.
- (2018). Das Ding an sich. Das Ding für mich. Das Ding für flått. Hvordan ser verden ut for dyr?
- (2018). Bli kjent med små ormer.
- (2018). A new species of whale louse (Crustacea: Amphipoda: Cyamidae) found on Cuvier´s beaked whale Ziphius cavirostris.
- (2017). The Norwegian Barcode of Life Network (NorBOL).
- (2017). Progress and prospects of the Norwegian Barcode of Life Network (NorBOL).
- (2017). Progress and prospects of the Norwegian Barcode of Life Network (NorBOL). Genome. 930-930.
- (2017). Progenetic evolution in the deep-sea fauna.
- (2017). Phylogenetic evidence that both ancient vicariance and dispersal have contributed to the biogeographic patterns of anchialine cave shrimps. Scientific Reports.
- (2017). Junk-DNA or species markers? DNA-barcoding needs taxonomists.
- (2017). Investigating the marine invertebrate fauna of the West African continental shelf with DNA barcodes . Genome. 1010-1011.
- (2017). Investigating the marine invertebrate fauna of the West African continental shelf with DNA barcodes.
- (2017). Diversity and species distributions of Glyceriformia (Annelida, Polychaeta) in shelf areas off western Africa. Genome. 905-906.
- (2017). Diversity and species distributions of Glyceriformia (Annelida, Polychaeta) in shelf areas off western Africa.
- (2017). Data con carne – kilder til ny kunnskap om biologisk mangfold.
- (2017). Building a comprehensive barcode reference library of the Norwegian Echinodermata through NorBOL: an ongoing effort. Genome. 906-906.
- (2017). Barcoding of marine invertebrates from Norway through NorBOL. Genome. 955-956.
- (2017). Barcoding of marine invertebrates from Norway through NorBOL.
- (2017). Assessing species diversity in marine bristle worms (Annelida, Polychaeta): integrating barcoding with traditional morphology-based taxonomy.
- (2017). Assessing species diversity in marine bristle worms (Annelida, Polychaeta): integrating barcoding with traditional morphology-based taxonomy. Genome. 956-956.
- (2016). Where the sun doesn’t shine. Lucifer, luciferin and luciferase.
- (2016). When the barcode identification engine needs a bit of therapy.
- (2016). When molecules support morphology: Phylogenetic reconstruction of the family Onuphidae (Eunicida, Annelida) based on 16S rDNA and 18S rDNA. Molecular Phylogenetics and Evolution. 791-801.
- (2016). The Norwegian Barcode of Life Network (NorBOL).
- (2016). Phylogeny of the family Maldanidae based on molecular data.
- (2016). Nothria conchylega (Polychaeta: Onophidae), - a unique example a wide spread species of polychaetes in the northern hemisphaere.
- (2016). New observations of the enigmatic West African Cellana limpet (Mollusca: Gastropoda: Nacellidae). Marine Biodiversity Records.
- (2016). Molecular phylogenies challenge the classification of Polymastiidae (Porifera, Demospongiae) based on morphology. Organisms Diversity & Evolution. 45-66.
- (2016). Marin biodiversitetsforskning ved Universitetsmuseet i Bergen.
- (2016). Lucia – with a ray of enlightenment?
- (2016). Hvem var Appellöf?
- (2016). Havbunnens skjulte skatter. Ti år med Mareano - ny kunnskap om artsmangfold og biotoper. Årbok for Universitetsmuseet i Bergen. 75-88.
- (2016). Giants vs pygmies: two strategies in the evolution of deep-sea quill worms (Onuphidae, Annelida).
- (2016). Fugl, fisk eller midt i mellom? Årbok for Universitetsmuseet i Bergen. 35-46.
- (2016). Experiences after three years of automated DNA barcoding of Polychaeta.
- (2016). Evolusjon.
- (2016). Diversity and systematics of philinid snails (Gastropoda: Cephalaspidea) in West Africa with remarks on the biogeography of the region. Zoological Journal of the Linnean Society.
- (2016). Diversity and species distributions of Glyceriformia in shelf areas off western Africa.
- (2016). Diversity and phylogeny of Diopatra bristle worms (Onuphidae, Annelida) off the coast of West Africa.
- (2016). DNA barcoding contributing to new knowledge on diversity and distribution of Polychaeta (Annelida) in Norwegian and adjacent waters.
- (2016). A tale of three fading buck-goats.
- (2015). What are we learning from DNA barcoding of marine invertebrates?
- (2015). Verdensbilder(Nye naturhistoriske utstillinger ved Universitetsmuseet i Bergen). .
- (2015). Verdens lengste dyr: Lineus longissimus.
- (2015). Time for rejuvenation.
- (2015). The heart of the museum.
- (2015). The Norwegian Barcode of Life Network (NorBOL). Genome. 1 sider.
- (2015). The Norwegian Barcode of Life Network (NorBOL).
- (2015). Shrimp and salad.
- (2015). Of MAREANO and the museum.
- (2015). Klimaendringer – spor i museets samlinger. Årbok for Universitetsmuseet i Bergen. 96-101.
- (2015). Inventory of marine Copepoda and Cladocera (Crustacea) in Norway: COPCLAD.
- (2015). Integrating DNA-barcoding and morphology to study marine invertebrates. Exploring biodiversity and biogeography of deep-sea polychaetes in the Norwegian Sea.
- (2015). Hvor godt kjenner vi den marine faunaen?
- (2015). DNA barcoding - a quick look behind the bars.
- (2015). Biologisk artsmangfold og evolusjon.
- (2015). Biodiversitet og DNA-strekkoding.
- (2014). The Norwegian Barcode of Life Network (NorBOL).
- (2014). Småkryp på akvariet.
- (2014). Phylogeny of the Lophogastrida.
- (2014). Norwegian Barcode of Life.
- (2014). Krøll med Krabbe Krølle. Bergensavisen.
- (2014). Hvordan utforske artsmangfoldet i havet? Årbok for Universitetsmuseet i Bergen. 18-26.
- (2014). Genetisk strekkoding av marine virvelløse dyr.
- (2014). DNA-barcoding Decapoda and Stomatopoda from West-Africa.
- (2014). DNA-Lab: «Fortidens framtid». Årbok for Universitetsmuseet i Bergen. 52-61.
- (2014). An Investigation of West African Brittle Star (Echinodermata: Ophiuroidea) Fauna.
- (2013). The Norwegian Barcode of Life.
- (2013). New Methods Provide Answers to Old Questions- Phylogenetics and Systematics of the Caudofoveata (=Chaetodermomorpha).
- (2013). Mitogenomic sequences and evidence from unique gene rearrangements corroborate evolutionary relationships of Myctophiformes (Neoteleostei). BMC Evolutionary Biology.
- (2013). Minneord for Ole Anton Sæther.
- (2013). ForBio – The Research School in Biosystematics.
- (2013). First record of Diamesa thomasi Serra-Tosio, 1970, from Croatia. Chironomus newsletter on Chironomidae research.
- (2013). First insight into phylogeny of Hyalinoeciinae (Onuphidae) inferred from one mitochondrial and four nuclear markers.
- (2013). Capacity building in modern taxonomy as an instrument for knowledge transfer in IPBES.
- (2012). Inconsistent results should not be overlooked: A reply to Brooks et al. (2012). The Holocene. 1501-1508.
- (2012). DNA barcoding Norwegian earthworms.
- (2012). Anchialine atyid shrimps (Crustacea: Decapoda) from Zanzibar.
- (2011). Pseudodiamesa nivosa or arctica? A confounded story of a midge moustache and an attempt at some taxonomic orthodontics. Chironomus newsletter on Chironomidae research. 23-27.
- (2011). Phylogeny of Diamesinae inferred from mtDNA sequences.
- (2011). Phylogenetic trees and characters (video tutorial).
- (2011). Nansens ”makkverk” - en taksonomisk og systematisk studie.
- (2011). Nansens "makkverk". Årbok for Universitetsmuseet i Bergen. 19-25.
- (2011). Nansens "makkverk".
- (2011). Nansen som zoolog. Nansens "makkverk".
- (2011). Model testing (video tutorial).
- (2011). Maximum likelihood estimation with PAUP* (video tutorial).
- (2011). Introduction to PAUP* (video tutorial).
- (2011). Et lite sjødyr-mysterium.
- (2011). Ecology of twelve species of Thyasiridae (Mollusca: Bivalvia). Marine Pollution Bulletin. 786-791.
- (2011). Coding morphology with Mesquite (video tutorial).
- (2010). Towards a molecular phylogeny of the tribe Tanytarsini (Diptera: Chironomidae): new genera emerge while others disappear.
- (2010). Towards a molecular phylogeny of the tribe Tanytarsini (Diptera: Chironomidae): new genera emerge while others disappear.
- (2010). Phylogenetic utility of five genes for dipteran phylogeny: A test case in the Chironomidae leads to generic synonymies. Molecular Phylogenetics and Evolution. 561-571.
- (2010). One hundred years since the Michael Sars Expedition.
- (2010). Ny rolle for naturhistoriske museer? Naturen. 229-241.
- (2010). Midges as quantitative temperature indicator species: Lessons for palaeoecology. The Holocene. 989-1002.
- (2010). Hundre år siden Michael Sars-ekspedisjonen.
- (2010). Complex evolution in the Neotropics: Understanding Caribbean marine biogeography using Bulla occidentalis as a model species. Tropical Natural History. 267.
- (2009). Tror du på Darwin? Ei julefortelling. Årbok for Universitetsmuseet i Bergen. 10-32.
- (2009). Molecular phylogeny of Micropsectra and allies: evidence of new generic synonyms (Diptera: Chironomidae).
- (2009). Molecular phylogeny of Micropsectra and allies: evidence of new generic synonyms (Diptera: Chironomidae).
- (2009). Molecular phylogenetics of North-East Atlantic hydrothermal vent and wood fall associated Rissoidae (Mollusca; Gastropoda).
- (2009). Hva var det med Darwins nese?
- (2009). Dvelving deep with DNA barcodes: expanding data for MAR-ECO fishes.
- (2008). Where are the Caudofoveata (=Chaetodermomorpha) in the tree of life?
- (2008). Vibrio tapetis-like strain isolated from introduced Manila clams Ruditapes philippinarum showing symptoms of brown ring disease in Norway. Diseases of Aquatic Organisms. 153-161.
- (2008). Vibrio tapetis-like strain isolated from introduced Manila clams Ruditapes philippinarum showing symptoms of brown ring disease in Norway. Diseases of Aquatic Organisms. 153-161.
- (2008). Ulike artar var mann og kone.
- (2008). G.O. Sars hadde likevel rett.
- (2008). Dyr eller menneske - beinharde bevis. Årbok for Universitetsmuseet i Bergen. 6-22.
- (2008). Diversity and Ecology of Thyasiridae (Mollusca: Bivalvia) in coastal waters of Hordaland, Norway.
- (2008). A phylogenetic analysis of Oplophoridae (Crustacea: Decapoda) based on molecular data.
- (2007). Where is the Chaetodermomorpha (=Caudofoveata) in the tree of life?
- (2007). The disunity of “Mysidacea” (Crustacea). Molecular Phylogenetics and Evolution. 1083-1104.
- (2007). Specimen processing and museum collections.
- (2007). Sasayusurika aenigmata Makarchenko (Diptera: Chironomidae: Diamesinae) – a Japanese endemic discovered in the Indian Himalaya. 6 sider.
- (2007). On the systematics of Linevitshia Makarchenko, 1987 (Diptera, Chironomidae, Diamesinae), with description of L. yezoensis sp.n. from Hokkaido, Japan. 6 sider.
- (2007). Mangfold i fare.
- (2007). Lumping lumpsuckers: molecular and morphological insights into the taxonomic status of Eumicrotremus spinosus (Fabricius, 1776) and Eumicrotremus eggvinii Koefoed, 1956 (Teleostei: Cyclopteridae). Journal of Fish Biology. 111-131.
- (2007). Local scale DNA barcoding of bivalves (Mollusca): a case study. Zoologica Scripta. 455-463.
- (2007). Hvilket dyr er dette? Identifisering med DNA.
- (2007). Hodeløs anatomi og psykogenetiske fantasier.
- (2007). Diversity in danger.
- (2007). Diversity and Ecology of Thyasiridae (Mollusca:Bivalvia) in coastal waters of Hordaland, Norway.
- (2007). Distribution and ecology of Thyasiridae (Mollusca: Bivalvia) in coastal waters of Hordaland, Norway.
- (2007). Distribution and Ecology of Thyasiridae (Mollusca: Bivalvia) in coastal waters of Hordaland Norway.
- (2007). DNA-barcoding and taxonomy.
- (2007). DNA barcoding northern mid Atlantic deep sea fishes.
- (2007). DNA Barcoding: a valuable tool in taxonomy and identification of non-biting midges.
- (2007). Barcoding deep sea fishes from the northern mid Atlantic.
- (2007). A comprehensive DNA sequence library is essential for identification with DNA barcodes. Molecular Phylogenetics and Evolution. 530-542.
- (2006). What can DNA barcoding do for Aplacophoran mollusks?
- (2006). Pelagic shrimps (Decapoda, Caridea) on the Mid-Atlantic Ridge.
- (2006). Pelagic shrimps (Decapoda, Caridea) on the Mid-Atlantic Ridge.
- (2006). Kan verdens kuleste laboratorium løse Noas problem? Årbok for Universitetsmuseet i Bergen. 18-25.
- (2006). Identifying genes (- or species? -) in cyberspace.
- (2006). DNA barcoding of non-biting midges (Diptera: Chironomidae).
- (2006). DNA barcoding of non-biting midges (Diptera: Chironomidae).
- (2006). DNA barcoding of Chironomidae: a useful tool for taxonomy and freshwater biomonitoring?
- (2006). DNA barcoding of Chironomidae: A useful tool for taxonomy and freshwater biomonitoring?
- (2006). DNA barcoding in MAR-ECO.
- (2005). What can biological barcoding do for marine biology? Marine Biology Research. 79-83.
- (2005). New species of Diamesa (Diptera: Chironomidae) from Tibet: conspecific males and females associated with mitochondrial DNA. Zootaxa. 19-32.
- (2005). Molecular and morphological phylogenetic analyses on the orders Lophogastrida and Mysidacea.
- (2005). Macrozooplankton on the mid-Atlantic Ridge: Material derived from pelagic trawl catches during GOS 2004, Leg1.
- (2005). Dyrelivet i et undersjøisk alpelandskap - om MAR-ECO-toktet til Atlanterhavsryggen i 2004. Årbok for Universitetsmuseet i Bergen. 4-20.
- (2005). Diamesa parancysta Serra-Tosio: an East-Palearctic midge new to Europe (Diptera: Chironomidae: Diamesinae). Norwegian Journal of Entomology. 69-73.
- (2005). DNA-barcoding of non-biting midges (Diptera:Chironomidae).
- (2005). DNA-barcoding of non-biting midges (Diptera: Chironomidae).
- (2005). Chironomids as a tool for inferring Holocene climate: an assessment based on six sites in southern Scandinavia. Quaternary Science Reviews. 1429-1462.
- (2004). Towards a phylogeny of Tanytarsini (Diptera: Chironomidae): evolutionary �hot spots� in mitochondrial COII and flanking regions.
- (2004). Towards a phylogeny of Tanytarsini (Diptera: Chironomidae): evolutionary 'hot spots' in mitochondrial COII and flanking regions.
- (2004). Molecular phylogeny and biogeography of the genus Pseudomma (Peracarida: Mysidacea). Journal of Crustacean Biology. 541-557.
- (2004). Larval head capsules of European Micropsectra, Paratanytarsus and Tanytarsus (Diptera: Chironomidae: Tanytarsini).
- (2004). Larval head capsules of European Micropsectra, Paratanytarsus and Tanytarsus. Chironomid workshop:Taxonomy, ecology, palaeolimnology. University of Barcelona, Spain. 13-14 May 2004..
- (2004). Exploring Tanytarsini relationships (Diptera: Chironomidae) using mitochondrial COII gene sequences. Insect Systematics & Evolution. 263-276.
- (2004). Exploring Tanytarsini relationships (Diptera: Chironomidae) using mitochondrial COII gene sequences. Insect Systematics & Evolution. 263-276.
- (2004). Dyphavets hemmeligheter.
- (1999). "Take 25mg of insect.." - simmering signals of phylogeny from chironomid mitochondria. Chironomus newsletter on Chironomidae research. 5-10.
- (1997). Species composition of beetles (Coleoptera) in the bracket fungi Piptoporus betulinus and Fomes fomentarius (Aphyllophorales: Polyporacea): an explorative approach with canonical correspondence analysis. Journal of Natural History. 471-486.
- (1997). Species composition of beetles (Coleoptera) in the bracket fungi Piptoporus betulinus and Fomes fomentarius (Aphyllophorales : Polyporaceae): an explorative analysis with canonical correspondence analysis. Journal of Natural History. 471-486.
- (1997). Are the African species of Helicopsyche von Siebold 1856 (Insecta Trichoptera Helicopsychidae) monophyletic? Tropical Zoology. 117-128.
- (1996). The chironomid (Diptera) communities in two sediment cores from Store Hovvatn, S.Norway, an acidified lake. Annales de Limnologie. 45-61.
- (1996). Thaumaleidae. Målermygg. 2 sider.
- (1996). Ptychopteridae. Glansmygg. 2 sider.
- (1996). Bracket fungi (Polyporaceae): an alternative habitat for soil chironomids (Diptera: Chironomidae). Pedobiologia. 405-412.
- (1996). Bracket fungi (Polyporacea): an alternative habitat for soil chironomids (Diptera: Chironomidae). Pedobiologia. 405-412.
- (1996). A nival Bryophaenocladius THIENEMANN, 1934, with reduced wings (Insecta: Diptera: Chironomidae). Annalen des Naturhistorischen Museums in Wien. Serie B. 507-512.
- (1996). A new species of Boreoheptagyia Brundin (Diptera, Chironomidae) from Tibet (China). Jpn. J. Ent.. 825-829.
- (1993). Polypore fungi and their associated arthropod communities in selected West Norwegian forests. The rationale and applications of numerical methods.
- (1993). Late Weichselian Chironomidae (Diptera) Stratigraphy of Lake Nedre Æråsvatn, Andøya, Northern Norway. Hydrobiologia. 21-32.
- (1989). Emergence of Chrionomidae (Diptera) and other insects from limnocorrals with different fish densities. Preliminary results from an experimental manipulation. Acta biologica Debrecina. 363-371.
- (1988). Description de trois femelles de Diamesa Meigen dont D.cinerella Meigen (lectotype et paralectotype) (Diptera, Chironomidae). Spixiana. 91-100.
- (1988). A New Oriental Species of Diamesa Meigen (Diptera, Chironomidae). Aquatic Insects. 221-225.
- (1987). The Identity of Syndiamesa alpina Goetghebuer, 1941 (Diptera, Chironomidae). Entomologica Scandinavica. 93-96.
- (1987). Four new species of Diamesa Meigen, 1835 (Diptera, Chironomidae) from the glaciers of Nepal. Entomologica Scandinavica. Supplementum. 189-203.
- (1987). Elveperlemusling. Bergens Tidende.
- (1987). Børstehaler. Bergens Tidende.
- (1986). Zoological Journal of the Linnean Society. Zoological Journal of the Linnean Society. 91-123.
- (1986). Verdens lengste hoppekreps. Bergens Tidende.
- (1986). Sjelden blekksprut langs norskekysten. Bergens Tidende.
- (1986). Haliphron atlanticus Steenstrup (Cephalopoda, Octopoda) from the Coast of Norway. Sarsia. 35-40.
- (1985). The first record of Protanypus pseudomorio Makarchenko (Diptera, Chironomidae) from the Nearctic, with a description of the female and a revised key to males of the genus. Aquatic Insects. 141-148.
- (1985). A review of Diamesa davisi Edwards and the davisi group (Diptera,Chironomidae). Spixiana. 109-137.
- (1985). "Snømygg". Bergens Tidende.
- (1984). Ensomme mygg. Bergens Tidende.
- (1984). Chironomidae (Diptera) from the 2nd Fram Expedition (1898-1902) to Arctic North-America described by Kieffer,J.J. Entomologica Scandinavica. 249-275.
- (1983). Notes on the Chironomid (Diptera, Chironomidae) ocelli. Zoologica Scripta. 221-223.
- (1982). Descriptions and redescriptions of female Diamesa Meigen, 1835 (Diptera: chironomidae) : with a comparative morphology, keys, phylogenetic and biogeographical notes.
- (1982). Chironomidae (Dipt.) from Ekse, Western Norway. Fauna Norvegica, Serie B. 115-121.
- (1980). Redescription of Micropsectra borealis (Kieffer, 1922) n.comb. (Diptera, Chironomidae). Entomologica Scandinavica. 56-60.
zoologi, evolusjonsbiologi, biosystematikk, zoologisk taksonomi, fylogenetisk rekonstruksjon, bioinformatikk