New records and first DNA barcodes of Sciarosoma nigriclava (Strobl, 1898) (Diptera, Sciaroidea incertae sedis) from Norway

Publication Type:Journal Article
Year of Publication:2020
Authors:Kjaerandsen, J., Hagenlund L.Katine
Keywords:Diptera, DNA barcoding, Heterotrichia-group, indicator species, new distribution, NorBOL, Sciarosoma
Abstract:

New records of Sciarosoma nigriclava (Strobl, 1898) are presented from Engerdal in Hedmark and Gargialia outside Alta in Finnmark. This unique species, belonging to the enigmatic Heterotricha-group still unplaced in family, has not been recorded in Norway since the genus and species was described under the name Sciarosoma borealis Chandler, 2002; at the time only a single male from Østmarka Nature Reserve in Akershus was reported. All four specimens of our new material were successfully DNA barcoded and aligned with a single additional sequence of the species available on The Barcode of Life Data System (BOLD), mined from GenBank. The assigned Barcode Index Number (BIN) for the species displays a considerable distance of some 15% to any other Diptera on BOLD, underscoring the isolated phylogenetic position of the species among the Sciaroidea. Both the new collecting sites are situated within or nearby old-growth pine and spruce forests, supporting the view that the species may serve as an indicator of pristine coniferous forest in the boreal Taiga.

URL:http://www.entomologi.no/journals/nje/2019-2/pdf/nje-vol66-no2-2019-94-98-kjaerandsen.pdf
Taxonomy checked: 
Yes
TDWG distribution: 
Yes
Specimens imported: 
No
Wed, 2020-01-29 09:14 -- vblago
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