Mecyclothorax er en slekt av løpebiller som har gjennomgått en stor adaptiv radiasjon på øyer i Polynesia.
Utseende Middelsstore, avlange, blanke, mørke løpebiller. Hodet er firkantet med noe utstående fasettøyne. pronotum er rundet, kraftig punktert ved roten. Dekkvingene er rundede med fine punkstriper.
Levevis Artene er knyttet til råtten ved.
Utbredelse De fleste av artene lever på Hawaii og på øyene Tahiti og Moorea i Fransk Polynesia. Slekten forekommer også på New Zealand, Ny-Guinea, Ny-Caledonia og i Queensland.
Systematisk inndeling
Ordenen biller, Coleoptera Linnaeus, 1758 Underordenen Adephaga Schellenberg, 1806 Overfamilien løpebiller og vannkalver, Caraboidea Latreille, 1802 Familien løpebiller, Carabidae Latreille, 1802 Underfamilien Psydrinae LeConte, 1853 Slekten Mecyclothorax Sharp, 1903 Underslekten Eucyclothorax Liebherr, 2018 - Australia Underslekten Mecyclothorax (i snever forstand) - Indonesia til Hawaii, New Zealand Underslekten Meonochilus Liebherr & Marris, 2009 - New Zealand Underslekten Phacothorax Jeannel, 1944 - Ny-Caledonia Underslekten Qecyclothorax Liebherr, 2018 - Queensland Liste (ufullstendig) over artene Mecyclothorax aa Liebherr, 2008 Mecyclothorax aano Liebherr, 2013 Mecyclothorax abax Liebherr, 2007 Mecyclothorax acherontius Liebherr, 2009 Mecyclothorax acutangulus Perrault, 1988 Mecyclothorax aeneipennis Liebherr, 2005 Mecyclothorax aeneus Sharp, 1903 Mecyclothorax affinis Liebherr, 2015 Mecyclothorax ahulili Liebherr, 2015 Mecyclothorax allostriatus Liebherr, 2011 Mecyclothorax altiusculoides Perrault, 1988 Mecyclothorax altiusculus (Britton, 1938) Mecyclothorax amaroides Sharp, 1903 Mecyclothorax ambiguus (Erichson, 1842) Mecyclothorax ambulatus Liebherr, 2015 Mecyclothorax amingwiwae Liebherr, 2017 Mecyclothorax anaana Liebherr, 2012 Mecyclothorax anchisteus Liebherr, 2015 Mecyclothorax andersoni Liebherr, 2017 Mecyclothorax angulosus Perrault, 1989 Mecyclothorax angusticollis (Blackburn, 1878) Mecyclothorax annae Liebherr, 2007 Mecyclothorax antaeus Liebherr, 2015 Mecyclothorax anthracinus Liebherr, 2015 Mecyclothorax aorai Perrault, 1978 Mecyclothorax apicalis (Sharp, 1903) Mecyclothorax aquilus Liebherr, 2015 Mecyclothorax arboricola Liebherr, 2013 Mecyclothorax arcanus Liebherr, 2011 Mecyclothorax arcuatus Liebherr, 2007 Mecyclothorax argutor (Sharp, 1903) Mecyclothorax argutuloides Liebherr, 2015 Mecyclothorax argutulus Liebherr, 2015 Mecyclothorax arthuri Liebherr, 2015 Mecyclothorax ata Perrault, 1978 Mecyclothorax ataraensis Perrault, 1989 Mecyclothorax ater Britton, 1948 Mecyclothorax bacrionis Liebherr, 2015 Mecyclothorax badius Liebherr, 2011 Mecyclothorax baehri Guéorguiev, 2013 Mecyclothorax balli Perrault, 1978 Mecyclothorax ballioides Perrault, 1978 Mecyclothorax bartletti Liebherr, 2011 Mecyclothorax basipunctus Louwerens, 1953 Mecyclothorax bembidicus Sharp, 1903 Mecyclothorax bembidioides (Blackburn, 1879) Mecyclothorax bicolor Sharp, 1903 Mecyclothorax bicoloratus Liebherr, 2015 Mecyclothorax bicoloris Liebherr, 2015 Mecyclothorax bilaianus Baehr, 1998 Mecyclothorax bilobatus Liebherr, 2015 Mecyclothorax blackburni (Sloane, 1898) Mecyclothorax blackburnianus Liebherr, 2008 Mecyclothorax bougainvillei Perrault, 1986 Mecyclothorax bradycellinus Sharp, 1903 Mecyclothorax bradycelloides Liebherr, 2015 Mecyclothorax bradyderus (Sharp, 1903) Mecyclothorax brevidux Liebherr, 2015 Mecyclothorax brevipennis Perrault, 1984 Mecyclothorax brevis (Blackburn, 1878) Mecyclothorax brispex Liebherr, 2017 Mecyclothorax brittoni Perrault, 1978 Mecyclothorax bryobioides Perrault, 1988 Mecyclothorax bryobius (Britton, 1938) Mecyclothorax calceus Liebherr, 2009 Mecyclothorax carteri (Perkins, 1917) Mecyclothorax castaneus Perrault, 1986 Mecyclothorax ceteratus Liebherr, 2011 Mecyclothorax chalcosus (Sharp, 1903) Mecyclothorax claridgeiae Liebherr, 2013 Mecyclothorax clermontiae Liebherr, 2011 Mecyclothorax cognatus Sharp, 1903 Mecyclothorax comma Liebherr, 2007 Mecyclothorax consanguineus Liebherr, 2015 Mecyclothorax consobrinus Liebherr, 2005 Mecyclothorax constrictus (Sharp, 1903) Mecyclothorax contractus Liebherr, 2015 Mecyclothorax convexicollis (Emden, 1937) Mecyclothorax convexus Liebherr, 2007 Mecyclothorax cooki Perrault, 1986 Mecyclothorax cordaticollaris Liebherr, 2015 Mecyclothorax cordaticollis (Blackburn, 1878) Mecyclothorax cordicollis (Sloane, 1900) Mecyclothorax cordithorax Liebherr, 2005 Mecyclothorax crassuloides Liebherr, 2015 Mecyclothorax crassulus Liebherr, 2015 Mecyclothorax crassus (Sharp, 1903) Mecyclothorax cuccodoroi Baehr, 2002 Mecyclothorax cupreoides Perrault, 1978 Mecyclothorax cupreus Perrault, 1978 Mecyclothorax cupripennis Perrault, 1989 Mecyclothorax curtimutinus Liebherr, 2011 Mecyclothorax curtipes (Sharp, 1903) Mecyclothorax curtisi Liebherr, 2013 Mecyclothorax curtus (Sloane, 1895) Mecyclothorax cymindicus Sharp, 1903 Mecyclothorax cymindoides Liebherr, 2007 Mecyclothorax cymindulus Liebherr, 2015 Mecyclothorax dannieae Perrault, 1978 Mecyclothorax daptinus Sharp, 1903 Mecyclothorax debiliceps Liebherr, 2007 Mecyclothorax debilis (Sharp, 1903) Mecyclothorax dentatus Liebherr, 2009 Mecyclothorax deverilli (Blackburn, 1879) Mecyclothorax discedens (Sharp, 1903) Mecyclothorax dispar Liebherr, 2015 Mecyclothorax doesburgi Louwerens, 1949 Mecyclothorax ducalis (Sharp, 1903) Mecyclothorax dunbarorum Liebherr, 2007 Mecyclothorax ehu Liebherr, 2013 Mecyclothorax eipomeki Baehr, 1995 Mecyclothorax eliti Baehr, 1995 Mecyclothorax euryoides Liebherr, 2009 Mecyclothorax everardi Liebherr, 2013 Mecyclothorax ewingi Liebherr, 2007 Mecyclothorax excavatus Liebherr, 2011 Mecyclothorax exilioides Liebherr, 2011 Mecyclothorax exilis Britton, 1948 Mecyclothorax externestriatus Perrault, 1989 Mecyclothorax eyrensis (Blackburn, 1892) Mecyclothorax fairmairei Perrault, 1986 Mecyclothorax fatata Liebherr, 2012 Mecyclothorax fefemata Liebherr, 2013 Mecyclothorax ferovipennis Liebherr, 2011 Mecyclothorax ferruginosus Perrault, 1988 Mecyclothorax filipes (Sharp, 1903) Mecyclothorax filipoides Liebherr, 2015 Mecyclothorax filitarsis Liebherr, 2011 Mecyclothorax flavipes Liebherr, 2009 Mecyclothorax flaviventris Liebherr, 2015 Mecyclothorax flavolateralis Liebherr, 2007 Mecyclothorax flavomarginatus Britton, 1948 Mecyclothorax fleutiauxi (Jeannel, 1944) Mecyclothorax footei Liebherr, 2008 Mecyclothorax fortis (Blackburn, 1889) Mecyclothorax fosbergi Perrault, 1979 Mecyclothorax fosbergioides Perrault, 1988 Mecyclothorax foveolatus Liebherr, 2015 Mecyclothorax foveopunctatus Liebherr, 2015 Mecyclothorax funebris Liebherr, 2008 Mecyclothorax fuscus Perrault, 1989 Mecyclothorax gagnei Liebherr, 2008 Mecyclothorax geminatus Liebherr, 2011 Mecyclothorax georgettae Perrault, 1978 Mecyclothorax gerardi Perrault, 1978 Mecyclothorax giffardi Liebherr, 2005 Mecyclothorax giffini Liebherr, 2008 Mecyclothorax globicollis (Mandl, 1969) Mecyclothorax globosoides Perrault, 1989 Mecyclothorax globosus (Britton, 1948) Mecyclothorax globulosus Perrault, 1978 Mecyclothorax gourvesi Perrault, 1978 Mecyclothorax gourvesioides Perrault, 1988 Mecyclothorax goweri Moore, 1992 Mecyclothorax gracilicollis Liebherr, 2015 Mecyclothorax granulatus Liebherr, 2007 Mecyclothorax granulipennis Liebherr, 2008 Mecyclothorax gressitti Liebherr, 2017 Mecyclothorax haleakalae (Sharp, 1903) Mecyclothorax hamatus Perrault, 1988 Mecyclothorax haydeni Liebherr, 2015 Mecyclothorax hemisphaericus Perrault, 1989 Mecyclothorax hephaestoides Liebherr, 2015 Mecyclothorax hephaestus Liebherr, 2008 Mecyclothorax hoeahiti Liebherr, 2013 Mecyclothorax howei Moore, 1992 Mecyclothorax hunapopoti Liebherr, 2013 Mecyclothorax impressipennis Baehr, 2003 Mecyclothorax improcerus Liebherr, 2011 Mecyclothorax impunctatus Liebherr, 2007 Mecyclothorax inaequalis (Blackburn, 1878) Mecyclothorax incompositus Britton, 1948 Mecyclothorax inconscriptus Liebherr, 2015 Mecyclothorax inflatus inflatus Baehr, 2003 Mecyclothorax inflatus spinifer Baehr, 2003 Mecyclothorax insolitus (Sharp, 1903) Mecyclothorax invictus Liebherr, 2009 Mecyclothorax invisitatus Liebherr, 2015 Mecyclothorax interruptus Sharp, 1903 Mecyclothorax irregularis Britton, 1948 Mecyclothorax iteratus Sharp, 1903 Mecyclothorax jarrigei Perrault, 1978 Mecyclothorax jeanneli Liebherr, 2018 Mecyclothorax jeanyvesi Liebherr, 2013 Mecyclothorax jiwikae Baehr, 1995 Mecyclothorax joni Liebherr, 2007 Mecyclothorax julianae Baehr, 1995 Mecyclothorax kahalawaiae Liebherr, 2011 Mecyclothorax kanak Moore & Liebherr, 2018 Mecyclothorax karschi (Blackburn, 1882) Mecyclothorax kaukukini Liebherr, 2008 Mecyclothorax kaumakani Liebherr, 2015 Mecyclothorax kavanaughi Liebherr, 2008 Mecyclothorax kayballae Liebherr, 2013 Mecyclothorax kipahulu Liebherr, 2015 Mecyclothorax kipwilli Liebherr, 2015 Mecyclothorax kokone Liebherr, 2013 Mecyclothorax konanus Sharp, 1903 Mecyclothorax konemata Liebherr, 2013 Mecyclothorax krushelnyckyi Liebherr, 2015 Mecyclothorax kubor Baehr, 2008 Mecyclothorax kuiki Liebherr, 2015 Mecyclothorax lackneri Baehr, 2008 Mecyclothorax laetus (Blackburn, 1881) Mecyclothorax laevilateralis Perrault, 1989 Mecyclothorax lahainae Britton, 1948 Mecyclothorax langdae Baehr, 1995 Mecyclothorax lateralis (Castelnau, 1867) Mecyclothorax laterobustus Liebherr, 2018 Mecyclothorax laterorectus Liebherr, 2018 Mecyclothorax laterosinuatus Liebherr, 2018 Mecyclothorax laterovatulus Liebherr, 2018 Mecyclothorax latissimus Liebherr, 2007 Mecyclothorax latus Liebherr, 2007 Mecyclothorax lemur Liebherr, 2009 Mecyclothorax lewisensis Moore, 1984 Mecyclothorax lewisensis uncinatus Baehr, 2003 Mecyclothorax lisae Liebherr, 2007 Mecyclothorax lissopterus Liebherr, 2007 Mecyclothorax lissus (Andrewes, 1933) Mecyclothorax lobatus Liebherr, 2009 Mecyclothorax loebli Baehr, 2002 Mecyclothorax longidux Liebherr, 2015 Mecyclothorax longulus Sharp, 1903 Mecyclothorax lophoides (Chaudoir, 1854) Mecyclothorax lyratus Liebherr, 2011 Mecyclothorax macrops (Sharp, 1903) Mecyclothorax mahatahi Liebherr, 2012 Mecyclothorax mahina Perrault, 1984 Mecyclothorax major Liebherr, 2015 Mecyclothorax manautei Liebherr, 2018 Mecyclothorax manina Liebherr, 2013 Mecyclothorax maninamata Liebherr, 2013 Mecyclothorax maninapopoti Liebherr, 2013 Mecyclothorax manducus Liebherr, 2015 Mecyclothorax mapo Liebherr, 2012 Mecyclothorax mapura Perrault, 1984 Mecyclothorax marau Perrault, 1978 Mecyclothorax marginatus Perrault, 1978 Mecyclothorax mauiae Liebherr, 2015 Mecyclothorax maunakukini Liebherr, 2008 Mecyclothorax medeirosi Liebherr, 2015 Mecyclothorax medioconstrictus Liebherr, 2017 Mecyclothorax megalovatulus Liebherr, 2018 Mecyclothorax menemene Liebherr, 2012 Mecyclothorax micans (Blackburn, 1878) Mecyclothorax microps Sharp, 1903 Mecyclothorax minimops Liebherr, 2011 Mecyclothorax minor Britton, 1948 Mecyclothorax minutus (Castelnau, 1867) Mecyclothorax molokaiae (Sharp, 1903) Mecyclothorax molops (Sharp, 1903) Mecyclothorax montanus Liebherr, 2015 Mecyclothorax monteithi Moore, 1985 Mecyclothorax montivagus (Blackburn, 1878) Mecyclothorax moorei Baehr, 2009 Mecyclothorax mordax Liebherr, 2015 Mecyclothorax mordicus Liebherr, 2015 Mecyclothorax mouensis Moore & Liebherr, 2018 Mecyclothorax multipunctatus (Blackburn, 1878) Mecyclothorax mundanus (Sharp, 1903) Mecyclothorax muriauxi Perrault, 1978 Mecyclothorax najtae Deuve, 1987 Mecyclothorax nanunctus Liebherr, 2015 Mecyclothorax negrei Perrault, 1986 Mecyclothorax niho Liebherr, 2013 Mecyclothorax ninamu Liebherr, 2013 Mecyclothorax niobe Liebherr, 2009 Mecyclothorax nitidus Liebherr, 2008 Mecyclothorax notobscuricornis Liebherr, 2015 Mecyclothorax nubicola (Blackburn, 1878) Mecyclothorax oahuensis (Blackburn, 1878) Mecyclothorax oaoa Liebherr, 2013 Mecyclothorax obscuricolor (Blackburn, 1878) Mecyclothorax obscuricornis Sharp, 1903 Mecyclothorax obscurus Liebherr, 2007 Mecyclothorax obtuseangulatus Baehr, 2014 Mecyclothorax obtusus Perrault, 1984 Mecyclothorax occultus Sharp, 1903