Revision Of The Tribe Cryptonychini (Coleoptera: Chrysomelidae: Cassidinae) Of New Caledonia

New Caledonian members of the tribe Cryptonychini are revised. The tribe is represented by eigth genera and 23 species, all but one endemic to New Caledonia. A new genera Paratorquispa gen. nov. and Wanatispa gen. nov. are proposed, and 11 species are described as new: Brontispa caledonica sp. nov., Caledonispa bivittata sp. nov.. Caledonispa panieensis sp. nov., Caledonispa spinosa sp. nov., Isopedhispa costata sp. nov., Isopedhispa latemarginata sp. nov., Teretrispa daccordii sp. nov., Teretrispa longicollis sp. nov., Torquispa convexifrons sp. nov., Wanatispa cylindricollis sp. nov., and Wanatispa rutai sp. nov. Torquispa caledoniae Uhmann, 1954 is transferred to the genus Paratorquispa, comb. nov. Each taxon is provided with a detailed description set of figures and studied material. Keys to all taxa are proposed.