Mecyclothorax is a genus of beetles that contains over 400 described species or subspecies, mostly from the Hawaiian Islands,[1][2][3][4] and Tahiti[5] and Moorea,[6] French Polynesia. Additional radiations have evolved in Queensland, Australia,[7] New Guinea[8] and New Caledonia.[9] The genus has been divided into five subgenera: Eucyclothorax Liebherr 2018 of Australia, Qecyclothorax Liebherr 2018 of Queensland, Australia, Meonochilus Liebherr & Marris, 2009 of New Zealand, Phacothorax Jeannel 1944 of New Caledonia, and the more widely distributed subgenus Mecyclothorax Sharp 1903 [in Australia, the Sundas, New Zealand, the Society Islands (Moorea and Tahiti), and Hawaii]. The adelphotaxon to Mecyclothorax is hypothesized to consist of the genera associated with Amblytelus Blackburn, also distributed in Australia, and therefore the evolutionary history of Mecyclothorax commenced in Australia.
^James K. Liebherr (2011). "The Mecyclothorax beetles (Coleoptera: Carabidae: Moriomorphini) of West Maui, Hawaii: taxonomy, biogeography, and conservation". Deutsche Entomologische Zeitschrift. 58 (1): 15–76. doi:10.1002/mmnd.201100005.
^Cite error: The named reference catlife was invoked but never defined (see the help page).
^James K. Liebherr (2015). "The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Haleakalā, Maui: keystone of a hyperdiverse Hawaiian radiation". ZooKeys (544): 407 pp. doi:10.3897/zookeys.544.6074. PMC 4714384. PMID 26798289.
^Kipling Will & James K. Liebherr (2022). "Two new species of Mecyclothorax Sharp, 1903 (Coleoptera: Carabidae: Moriomorphini) from the Island of Hawaii". Pan-Pacific Entomologist. 98 (1): 1–17. doi:10.3956/2022-98.1.1. S2CID 247856439.
^James K. Liebherr (2013). "The Mecyclothorax beetles (Coleoptera, Carabidae, Moriomorphini) of Tahiti, Society Islands". ZooKeys (322): 170 pp. doi:10.3897/zookeys.322.5492. PMC 3760220. PMID 24003312.
^James K. Liebherr (2012). "The first precinctive Carabidae from Moorea, Society Islands: new Mecyclothorax spp. (Coleoptera) from the summit of Mont Tohiea". ZooKeys (224): 37–80. doi:10.3897/zookeys.224.3675. PMC 3487645. PMID 23129989.
^Martin Baehr (2003). "Psydrine ground beetles (Coleoptera: Carabidae: Psydrinae), excluding Amblytelini, of eastern Queensland rainforests. 65-109". Memoirs of the Queensland Museum. 49: 65–109.
^James K. Liebherr (2017). "Review of Mecyclothorax Sharp (Coleoptera: Carabidae: Moriomorphini)from Papua New Guinea with descriptions of five new species". The Coleopterists Bulletin. 71 (4): 679–703. doi:10.1649/0010-065x-71.4.679. S2CID 90143707.
^James K. Liebherr (2018). "Cladistic classification of Mecyclothorax Sharp (Coleoptera, Carabidae, Moriomorphini) and taxonomic revision of the New Caledonian subgenus Phacothorax Jeannel". Deutsche Entomologische Zeitschrift. 65: 1–63. doi:10.3897/dez.65.21000.
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