A peer-reviewed open-access journal ZooKeys 596: 87–128 (2016) Revision of the Gonioctena nivosa species-group... 87 doi: 10.3897/zookeys.596.8725 RESEARCH ARTICLE http://zookeys.pensoft.net Launched to accelerate biodiversity research Revision of the Gonioctena nivosa species-group (Coleoptera, Chrysomelidae, Chrysomelinae) in the Holarctic region, with descriptions of two new species Hee-Wook Cho1, Horst Kippenberg2, Lech Borowiec1 1 Department of Biodiversity and Evolutionary Taxonomy, University of Wrocław, Przybyszewskiego 63/77, 51-148 Wrocław, Poland 2 Langer Platz 21, D - 91074 Herzogenaurach, Germany Corresponding author: Hee-Wook Cho (
[email protected]) Academic editor: J. Gross | Received 4 April 2016 | Accepted 30 May 2016 | Published 8 June 2016 http://zoobank.org/0AD19E7A-C690-4F90-A86D-53F3B8D6BEE7 Citation: Cho H-W, Kippenberg H, Borowiec L (2016) Revision of the Gonioctena nivosa species-group (Coleoptera, Chrysomelidae, Chrysomelinae) in the Holarctic region, with descriptions of two new species. ZooKeys 596: 87–128. doi: 10.3897/zookeys.596.8725 Abstract The Gonioctena nivosa species-group of the genus Gonioctena Chevrolat, 1836 is defined and reviewed. It contains six species including two new to science: G. gracilicornis (Kraatz, 1879), G. nivosa (Suffrian, 1851), G. norvegica (Strand, 1936), G. springlovae (Bechyně, 1948), G. amurensis Cho & Borowiec, sp. n. and G. jani Cho & Borowiec, sp. n. Six new synonyms are proposed: G. nivosa (= G. arctica alberta Brown, 1952, syn. n., Phytodecta linnaeana bergrothi Jacobson, 1901, syn. n., P. linnaeanus var. mutatus Achard, 1924, syn. n., P. linnaeanus var. simplex Achard, 1924, syn. n. and P. nivosa var. cedehensis Ron- chetti, 1922, syn. n.) and G.