| 2007 | Torbjørn Ekrem, Godfred Anker Halvorsen: Taxonomy of Tanytarsus lapponicus Lindeberg, 1970 (Diptera: Chironomidae), a species with larval mandible of 'lugens-type'. In: Trond Andersen, Contributions to the systematics and ecology of aquatic Diptera. A Festschrift honoring Ole A. Sæther. The Caddis Press, 2007. 81-86 |
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| 2007 | Torbjorn Ekrem, Endre Willassen, Elisabeth Stur: A comprehensive DNA library is essential for identification with DNA barcodes. In: Molecular Phylogenetics and Evolution, 2007, 530-542 |
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| 2007 | Torbjørn Ekrem: A taxonomic revision of the genus Stempellinella (Diptera: Chironomidae). In: Journal of Natural History, 2007, 1367-1465 |
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| 2007 | Torbjorn Ekrem: A taxonomic revision of the genus Stempellinella (Diptera: Chironomidae). In: Journal of Natural History, 2007, 1367-1465 |
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| 2007 | Torbjørn Ekrem, Elisabeth Stur: Description of Tanytarsus hjulorum sp. nov., with notes and DNA-barcodes of some South African Tanytarsus (Diptera: Chironomidae). In: Trond Andersen, Contributions to the systematics and ecology of aquatic Diptera. A Festschrift honoring Ole A. Sæther. The Caddis Press, 2007. 87-92 |
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| 2006 | Torbjørn Ekrem: A redescription of Neozavrelia cuneipennis (Edwards) comb. nov., with a checklist of Neozavrelia species of the world (Diptera: Chironomidae). In: Zootaxa, 2006, 1-16 |
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| 2006 | Elisabeth Stur, Torbjørn Ekrem: A revision of the West Palaearctic species of the Micropsectra atrofasciata species group (Diptera: Chironomidae). In: Zoological Journal of the Linnean Society, 2006, 165-225 |
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| 2005 | Torbjørn Ekrem: Lateral abdominal spur in Stempellinella as pupal 'can opener'. In: Chironomus newsletter on Chironomidae research, 2005, 27-28 |
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| 2005 | Elisabeth Stur, Peter Martin, Torbjørn Ekrem: Non-biting midges as hosts for water mite larvae in spring habitats in Luxembourg. In: Annales de Limnologie, 2005, 225-236 |
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| 2004 | Torbjørn Ekrem, Endre Willassen: Exploring Tanytarsini relationships (Diptera: Chironomidae) using mitochondrial COII gene sequences. - Insect Systematics and Evolution 35: 263-276. In: Insect Systematics and Evolution, 2004, 263-276 |
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| 2004 | Torbjørn Ekrem: Immature stages of European Tanytarsus species I. The eminulus-, gregarius-, lugens- and mendax species groups (Diptera: Chironomidae). In: Deutsche entomologische Zeitschrift, 2004, 97-146 |
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| 2003 | Ole A. Sæther, Torbjørn Ekrem: Biogeography of Afrotropical Chironomidae (Diptera), with special reference to Gondwanaland. In: Cimbebasia, 2003, 175-191 |
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| 2003 | Torbjørn Ekrem, Mary F. Sublette, James E. Sublette: North American Tanytarsus I. Descriptions and keys to species in the eminulus, gregarius, lugens and mendax species groups (Diptera: Chironomidae). In: Annals of the Entomological Society of America, 2003, 265-328 |
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| 2003 | Torbjørn Ekrem: Towards a phylogeny of Tanytarsus van der Wulp (Diptera: Chironomidae). Is morphology alone sufficient to reconstruct the genealogical relationships?. In: Insect Systematics and Evolution, 2003, 199-219 |
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