Jostein Kjærandsen

Publications84
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Citations544
Highly Influential Citations44
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Annotated checklist of fungus gnats from Sweden (Diptera: Bolitophilidae, Diadocidiidae, Ditomyiidae, Keroplatidae and Mycetophilidae).
TLDR
The first modern Swedish checklist of fungus gnats of the families Bolitophil Families, Diadocidiidae, Ditomyiidae, Keroplatidae and Mycetophilidae is presented and three species names are reinstated to preserve nomenclatural stability.
Stable structural color patterns displayed on transparent insect wings
TLDR
Striking and stable structural color patterns—wing interference patterns (WIPs)—in the transparent wings of small Hymenoptera and Diptera are reported, suggesting that the biological significance of WIPs lies in visual signaling.
Sexual selection on wing interference patterns in Drosophila melanogaster
TLDR
First experimental evidence that WIPs in males of Drosophila melanogaster are targets of mate choice from females are presented, and that two different color traits—saturation and hue—experience directional and stabilizing sexual selection, respectively are presented.
Fungus gnats (Diptera: Bolitophilidae, Diadocidiidae, Ditomyiidae, Keroplatidae and Mycetophilidae) from Møre og Romsdal.
TLDR
The high species diversity found at Jordalsgrend reveals a new picture when compared with other surveys in the Nordic region, and may have implications for future forest management, as boreal-oceanic, old-growth, deciduous forests are underrepresented in most conservation plans.
Molecular phylogeny of the fungus gnat tribe Exechiini (Mycetophilidae, Diptera)
TLDR
Bayesian, maximum parsimony and maximum likelihood analyses revealed basically congruent tree topologies and the monophyly of Exechiini, including the genus Cordyla, is confirmed and the molecular data corroborate previous morphological studies in several aspects.
The fungus gnats of Iceland (Diptera, Keroplatidae & Mycetophilidae)
TLDR
The dominance of species in the subfamily Mycetophilinae indicates that they are a successful group in the high boreal and arctic regions with a great dispersion potential and the main limiting factor for the diversity of fungus gnats on Iceland is probably lack of highly developed forest environments.
Review of fungus gnats of the genus Tarnania Tuomikoski, with a phylogeny of the Rymosia s.l. genus group (Diptera: Mycetophilidae)
TLDR
A phylogenetic analysis of the Tarnania species, including representatives of the six other genera of the Rymosia s.
Completing Linnaeus’s inventory of the Swedish insect fauna: only 5,000 species left?
TLDR
The size and composition of the Swedish insect fauna, thought to represent roughly half of the diversity of multicellular life in one of the largest European countries, is reported on, and it is suggested that it comprises around 33,000 species.
Species assemblages and community structure of adult caddisflies along a headwater stream in southeastern Ghana (Insecta: Trichoptera)
Adult caddisflies were collected at 12 sites along a 5 km stretch of a forested headwater stream in southeastern Ghana in March and November 1993 and the catches are related to environmental…
On the genus Urytalpa Edwards (Diptera: Keroplatidae) in the Nordic and Nearctic regions, with fixation of a new type species and a key to world males
TLDR
The five Nordic species of the genus Urytalpa Edwards are revised, of which one species, UryTalpa galdes Hedmark & Kjaerandsen, sp.
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