Working Paper Article Version 1 This version is not peer-reviewed

The Arthropod Fauna of Oak (Quercus spp., Fagaceae) Canopies in Norway

Version 1 : Received: 4 June 2021 / Approved: 8 June 2021 / Online: 8 June 2021 (13:16:34 CEST)

A peer-reviewed article of this Preprint also exists.

Thunes, K.H.; Søli, G.E.E.; Thuróczy, C.; Fjellberg, A.; Olberg, S.; Roth, S.; Coulianos, C.-C.; Disney, R.H.L.; Starý, J.; Vierbergen, G.B.; Jonassen, T.; Anonby, J.; Köhler, A.; Menzel, F.; Szadziewski, R.; Stur, E.; Adaschkiewitz, W.; Olsen, K.M.; Kvamme, T.; Endrestøl, A.; Podenas, S.; Kobro, S.; Hansen, L.O.; Kvifte, G.M.; Haenni, J.-P.; Boumans, L. The Arthropod Fauna of Oak (Quercus spp., Fagaceae) Canopies in Norway. Diversity 2021, 13, 332. Thunes, K.H.; Søli, G.E.E.; Thuróczy, C.; Fjellberg, A.; Olberg, S.; Roth, S.; Coulianos, C.-C.; Disney, R.H.L.; Starý, J.; Vierbergen, G.B.; Jonassen, T.; Anonby, J.; Köhler, A.; Menzel, F.; Szadziewski, R.; Stur, E.; Adaschkiewitz, W.; Olsen, K.M.; Kvamme, T.; Endrestøl, A.; Podenas, S.; Kobro, S.; Hansen, L.O.; Kvifte, G.M.; Haenni, J.-P.; Boumans, L. The Arthropod Fauna of Oak (Quercus spp., Fagaceae) Canopies in Norway. Diversity 2021, 13, 332.

Journal reference: Diversity 2021, 13, 332
DOI: 10.3390/d13070332

Abstract

(1) We document the invertebrate fauna collected from 24 oak canopies in east and west Norway as a contribution to the Norwegian Biodiversity Information Centre’s “The Norwegian Taxonomy Initiative”. (2) A snap-shot inventory of the canopies was recorded by means of emitting a mist of synthetic pyrethroid into the canopies at night using a petrol-driven fogger, collecting the specimens in butterfly nets spread on the ground under the canopy. (3) Almost the entire catch of more than 6800 specimens was identified to 722 species. Out of 92 species new to the Norwegian fauna, 21 were new to science and additionally 15 were new to the Nordic fauna. Diptera alone constituted nearly half of the species represented with 61 new records (18 new species). Additionally, 24 Hymenoptera (one new species), six oribatid mites (two new species) and one Thysanoptera were new to the Norwegian fauna. (4) Our study emphasis the importance of oak tree as habitat both for a specific fauna and occasional visitors and it demonstrates that the canopy fogging technique is an efficient way to find the ‘hidden fauna’ of Norwegian forests. The low number of red listed species found reflects how poor the Norwegian insect fauna is still studied. Moreover, the implication of the IUCN red list criteria for new described or newly observed species is discussed.

Subject Areas

Quercus; oak, canopy; fogging; new species; inventory; Norway

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