Crickets of New Caledonia (Insecta, Orthoptera, Grylloidea): a key to genera, with diagnoses of extant genera and descriptions of new taxa Author Desutter-Grandcolas, Laure Institut de Systématique, Évolution et Biodiversité, ISYEB - UMR 7205 CNRS, MNHN, UPMC, EPHE, Muséum national d’Histoire naturelle, Sorbonne Universités, case postale 50, 57 rue Cuvier, F- 75231 Paris cedex 05 (France) desutter @ mnhn. fr desutter@mnhn.fr Author Anso, Jérémy Institut de Systématique, Évolution et Biodiversité, ISYEB - UMR 7205 CNRS, MNHN, UPMC, EPHE, Muséum national d’Histoire naturelle, Sorbonne Universités, case postale 50, 57 rue Cuvier, F- 75231 Paris cedex 05 (France) and Institut méditerranéen de Biodiversité et d’Écologie marine et continentale (IMBE), Aix-Marseille Université, UMR CNRS, IRD, UAPV, Centre IRD Nouméa, BP A 5, 98848 Nouméa Cedex, (Nouvelle-Calédonie) Author Jourdan, Hervé Institut méditerranéen de Biodiversité et d’Écologie marine et continentale (IMBE), Aix-Marseille Université, UMR CNRS, IRD, UAPV, Centre IRD Nouméa, boîte postale A 5, 98848 Nouméa Cedex (Nouvelle-Calédonie) Published on 30 December 2016 text Zoosystema 2016 2016-12-30 38 4 405 452 http://dx.doi.org/10.5252/z2016n4a1 journal article 10.5252/z2016n4a1 1638-9387 4578278 urn:lsid:zoobank.org:pub:9E796669-C345-42D6-B0F9-95288DB701EE Genus Amusurgus Brunner von Wattenwyl, 1893 Amusurgus Brunner von Wattenwyl, 1893: 212 . TYPE SPECIES. — Amusurgus fulvus Brunner von Wattenwyl, 1893 by monotypy. ILLUSTRATIONS. — Habitus: Fig. 3B ; Otte & Alexander 1983 : figs 149, 150. Male genitalia: Otte & Alexander 1983 : fig. 152. EMENDED DIAGNOSIS. — After Otte & Alexander (1983) for Australia and material from New Caledonia preserved in MNHN. Head dorsum not flat between eyes. TI with a wide inner tympanum; outer tympanum grooved. FWs hairy; flat in lateral view. HWs well developed but shorter than FWs. TIII with three pairs of long and thin alternate subapical spurs; only five relatively short apical spurs, ventral inner spur lacking. Male. Dorsal gland on abdomen. No stridulatory device. Subgenital plate large, distal margin bisinuate. Male genitalia: distal pseudepiphallic median lobes well developed and divergent; lateral lobes dejected latero-ventrally, as long or longer than median lobes (see Otte & Alexander 1983 : fig. 152); pseudepiphallic parameres small. Female. FWs developed as in males. Ovipositor: distal margins of dorsal and ventral valves feebly crenulated (see Otte & Alexan- der 1983: fig. 153). DISTRIBUTION. — Mostly diversified in South East Asia and Oceania (see Eades et al. 2016 ); reported here for the first time from New Caledonia ( Loyalty islands ).