| Species | Mecodema aberrans Putzeys, 1868
| | |
| Species | Mecodema acuductum Broun, 1908
| | |
| Species | Mecodema aeneonigrum Broun, 1886
| | |
| Species | Mecodema affinum Broun, 1917
| | |
| Species | Mecodema allani Fairburn, 1945
| | |
| Species | Mecodema alternans Castelnau, 1867
| 2 | Subspecies |
| Species | Mecodema ambiguum Broun, 1915
| | |
| Species | Mecodema angustulum Broun, 1914
| | |
| Species | Mecodema anomalum Townsend, 1965
| | |
| Species | Mecodema antarctica
| | |
| Species | Mecodema antarcticum Laporte, 1867
| | |
| Species | Mecodema antennale Broun, 1923
| | |
| Species | Mecodema aoteanoho Seldon & Leschen, 2011
| | |
| Species | Mecodema arcuatum Broun, 1912
| | |
| Species | Mecodema argentum Seldon & Buckley, 2019
| | |
| Species | Mecodema asperum Broun, 1893
| | |
| Species | Mecodema atrox Britton, 1949
| | |
| Species | Mecodema attenuatum Broun, 1908
| | |
| Species | Mecodema atuanui Seldon & Buckley, 2019
| | |
| Species | Mecodema blagravei Castelnau, 1867
| | |
| Species | Mecodema brittoni Townsend, 1965
| | |
| Species | Mecodema bryobium Broun, 1912
| | |
| Species | Mecodema bullatum Lewis, 1902
| | |
| Species | Mecodema calcaratum Broun, 1903
| | |
| Species | Mecodema cassense Broun, 1923
| | |
| Species | Mecodema chaiup Seldon, 2014
| | |
| Species | Mecodema chiltoni Broun, 1917
| | |
| Species | Mecodema clarkei Broun, 1926
| | |
| Species | Mecodema cognatum Broun, 1908
| | |
| Species | Mecodema constrictum Broun, 1881
| | |
| Species | Mecodema costellum Broun, 1903
| 4 | Subspecies |
| Species | Mecodema costipenne Broun, 1914
| | |
| Species | Mecodema crenaticolle Redtenbacher, 1868
| | |
| Species | Mecodema crenaticollis Redtenbacher, 1868
| | |
| Species | Mecodema crenicolle Castelnau, 1867
| | |
| Species | Mecodema curvidens Broun, 1915
| | |
| Species | Mecodema dissonum Broun, 1914
| | |
| Species | Mecodema douillii Broun, 1905
| | |
| Species | Mecodema ducale Sharp, 1886
| | |
| Species | Mecodema dunense Townsend, 1965
| | |
| Species | Mecodema dunnorum Seldon & Buckley, 2019
| | |
| Species | Mecodema dux Britton, 1949
| | |
| Species | Mecodema elongatum Castelnau, 1867
| | |
| Species | Mecodema erraticum Broun, 1917
| | |
| Species | Mecodema exitiosum Brookes, 1926
| | |
| Species | Mecodema femorale Broun, 1921
| | |
| Species | Mecodema florae Britton, 1949
| | |
| Species | Mecodema fulgidum Broun, 1881
| | |
| Species | Mecodema genesispotini Seldon & Buckley, 2019
| | |
| Species | Mecodema godzilla Seldon & Buckley, 2019
| | |
| Species | Mecodema gourlayi Britton, 1949
| | |
| Species | Mecodema gratum Broun, 1917
| | |
| Species | Mecodema halli Broun, 1915
| | |
| Species | Mecodema haunoho Seldon & Leschen, 2011
| | |
| Species | Mecodema hector Britton, 1949
| | |
| Species | Mecodema howitti
| | |
| Species | Mecodema howittii Laporte de Castelnau, 1867
| | |
| Species | Mecodema huttense Broun, 1915
| | |
| Species | Mecodema impressum Castelnau, 1867
| | |
| Species | Mecodema inaequale Laporte, 1867
| | |
| Species | Mecodema indiscretum Broun, 1917
| | |
| Species | Mecodema infimate Lewis, 1902
| | |
| Species | Mecodema insulare Broun, 1921
| | |
| Species | Mecodema integratum Townsend, 1965
| | |
| Species | Mecodema intricatum Broun, 1903
| | |
| Species | Mecodema jacinda Seldon & Buckley, 2019
| | |
| Species | Mecodema jacinto Seldon & Buckley, 2019
| | |
| Species | Mecodema junctum Broun, 1893
| | |
| Species | Mecodema kipjac Seldon & Buckley, 2019
| | |
| Species | Mecodema kokoroiho Seldon & Buckley, 2019
| | |
| Species | Mecodema kokoromatua Seldon, Leschen & Liebherr, 2012
| | |
| Species | Mecodema laeviceps Broun, 1904
| | |
| Species | Mecodema laevicolle Broun, 1912
| | |
| Species | Mecodema laterale Broun, 1917
| | |
| Species | Mecodema latulum Broun, 1917
| | |
| Species | Mecodema lewisi Broun, 1908
| | |
| Species | Mecodema lineatum Broun, 1894
| | |
| Species | Mecodema litoreum Broun, 1886
| | |
| Species | Mecodema longicolle Broun, 1923
| | |
| Species | Mecodema lucidum Castelnau, 1867
| | |
| Species | Mecodema manaia Seldon & Leschen, 2011
| | |
| Species | Mecodema metallicum Sharp, 1886
| | |
| Species | Mecodema minax Britton, 1949
| | |
| Species | Mecodema minus Broun, 1905
| | |
| Species | Mecodema modicum Broun, 1894
| | |
| Species | Mecodema mohi Seldon & Buckley, 2019
| | |
| Species | Mecodema monilifer Bates, 1867
| | |
| Species | Mecodema moniliferum Bates, 1867
| | |
| Species | Mecodema montanum Castelnau, 1867
| | |
| Species | Mecodema morio Laporte de Castelnau, 1867
| | |
| Species | Mecodema mutabile Broun, 1917
| | |
| Species | Mecodema ngaiatonga Seldon & Buckley, 2019
| | |
| Species | Mecodema ngaitahuhu Seldon & Buckley, 2019
| | |
| Species | Mecodema nitidum Broun, 1903
| | |
| Species | Mecodema obesum Townsend, 1965
| | |
| Species | Mecodema oblongum Broun, 1882
| | |
| Species | Mecodema occiputale Broun, 1923
| | |
| Species | Mecodema oconnori Broun, 1912
| | |
| Species | Mecodema oregoides Broun, 1894
| | |
| Species | Mecodema ovicolle Broun, 1914
| | |
| Species | Mecodema papake Seldon & Buckley, 2019
| | |
| Species | Mecodema parataiko Seldon & Leschen, 2011
| | |
| Species | Mecodema pavidum Townsend, 1965
| | |
| Species | Mecodema percoides Castelnau, 1867
| | |
| Species | Mecodema perexiguus Seldon & Buckley, 2019
| | |
| Species | Mecodema persculptum Broun, 1915 ⇒ Mecodema rugiceps rugiceps
| | |
| Species | Mecodema philpotti Broun, 1923
| | |
| Species | Mecodema pluto Britton, 1949
| | |
| Species | Mecodema politanum Broun, 1917
| | |
| Species | Mecodema ponaiti Seldon & Leschen, 2011
| | |
| Species | Mecodema proximum Britton, 1949
| | |
| Species | Mecodema puiakium Johns & Ewers in Johns, 2007
| | |
| Species | Mecodema pulchellum Townsend, 1965
| | |
| Species | Mecodema punctatum Castelnau, 1867
| | |
| Species | Mecodema punctellum Broun, 1921
| | |
| Species | Mecodema puncticolle Broun, 1914
| | |
| Species | Mecodema punctifer Broun, 1882
| | |
| Species | Mecodema quoinense Broun, 1912
| | |
| Species | Mecodema rectolineatum Castelnau, 1867 ⇒ Mecodema howittii
| | |
| Species | Mecodema regulus Britton, 1964
| | |
| Species | Mecodema rex Britton, 1949
| | |
| Species | Mecodema rubripes Broun, 1917
| | |
| Species | Mecodema rufipes Broun, 1886
| | |
| Species | Mecodema rugiceps Sharp, 1886
| 2 | Subspecies |
| Species | Mecodema rugicolle Broun, 1882
| | |
| Species | Mecodema rugipenne Broun, 1893
| | |
| Species | Mecodema rusticulus Seldon & Buckley, 2019
| | |
| Species | Mecodema scitulum Broun, 1894
| | |
| Species | Mecodema sculpturatum Blanchard, 1843
| 2 | Subspecies |
| Species | Mecodema seriatum Broun, 1908
| | |
| Species | Mecodema simplex Castelnau, 1867
| | |
| Species | Mecodema simulans Hudson, 1934
| | |
| Species | Mecodema spinifer Broun, 1880
| | |
| Species | Mecodema spiniferum Broun, 1880
| | |
| Species | Mecodema striatum Broun, 1904
| | |
| Species | Mecodema strictum Britton, 1949
| | |
| Species | Mecodema subaeneum Broun, 1923
| | |
| Species | Mecodema sulcatum Sharp, 1886
| | |
| Species | Mecodema suteri Broun, 1893
| | |
| Species | Mecodema temata Seldon & Buckley, 2019
| | |
| Species | Mecodema tenaki Seldon & Leschen, 2011
| | |
| Species | Mecodema teparawhau Seldon & Buckley, 2019
| | |
| Species | Mecodema teroroa Seldon & Buckley, 2019
| | |
| Species | Mecodema tersatum Broun, 1893
| | |
| Species | Mecodema tewhara Seldon & Buckley, 2019
| | |
| Species | Mecodema thoracicum Broun, 1893
| | |
| Species | Mecodema tibiale Laporte, 1867
| | |
| Species | Mecodema trailli Broun, 1917
| | |
| Species | Mecodema tuhoe Seldon & Buckley, 2019
| | |
| Species | Mecodema undecimus Seldon & Buckley, 2019
| | |
| Species | Mecodema validum Broun, 1923
| | |
| Species | Mecodema variolosum Broun, 1903
| | |
| Species | Mecodema venator Broun, 1886
| | |
| Species | Mecodema ventriculum Broun, 1923
| | |
| Species | Mecodema veratrum Broun, 1921
| | |
| Species | Mecodema walkeri Broun, 1904
| | |
| Species | Mecodema wharekahika Seldon & Buckley, 2019
| | |
| Species | Mecodema xylanthrax Seldon & Buckley, 2019
| | |
| Species | Mecodema yconomus Seldon & Buckley, 2019
| | |
| Species | Mecodema zonula Seldon & Buckley, 2019
| | |
