Taxonomy and bioacoustics of little-known Grylloidea crickets (Orthoptera, Ensifera) from Mindanao, Philippines Author Tan, Ming Kai Block 207 A, Woodleigh Link, Singapore 361207, Republic of Singapore Author Salvador, Jewel Anne G. Department of Biological Sciences, College of Science and Mathematics, Mindanao State University-Iligan Institute of Technology, Tibanga, Iligan City 9200, Philippines Author Sabang, Aira Mae M. Department of Biological Sciences, College of Science and Mathematics, Mindanao State University-Iligan Institute of Technology, Tibanga, Iligan City 9200, Philippines Author Bahoy, Daphne Cayle M. Department of Biological Sciences, College of Science and Mathematics, Mindanao State University-Iligan Institute of Technology, Tibanga, Iligan City 9200, Philippines Author Nuñeza, Olga Macas Department of Biological Sciences, College of Science and Mathematics, Mindanao State University-Iligan Institute of Technology, Tibanga, Iligan City 9200, Philippines Author Robillard, Tony Institut de Systématique, Evolution, Biodiversité (ISYEB), Muséum national d’Histoire naturelle, CNRS, SU, EPHE, UA, 57 rue Cuvier, CP 50, 75231 Paris Cedex 05, France. text Zootaxa 2023 2023-08-02 5323 3 301 348 http://dx.doi.org/10.11646/zootaxa.5323.3.1 journal article 10.11646/zootaxa.5323.3.1 1175-5326 8209415 C022FD72-9C54-4A89-A880-3D99F52C8499 Mistshenkoana gracilis ( Chopard, 1925 ) ( Fig. 23 ) Aphonomorphus gracilis Chopard, 1925: 327 Chopard, 1929: 1929 Aphonoides gracilis Chopard, 1968: 400 Mistshenkoana gracilis Gorochov, 1990: 21 ; Tan, 2022: 448 Mistshenkoana?gracilis (these are unlikely Mistshenkoana gracilis )— Gorochov, 2007 [ 2006 ]: 269; Tan et al. , 2020b: 39 , 44 FIGURE 23. Mistshenkoana gracilis ♁ holotype: genitalia in dorsal (A), ventral (B) and lateral (C) views. Scale bar: 1 mm. Specimen examined. Holotype : PHILIPPINES • ♁; Mindanao, Agusan Del Norte , Butuan City; coll. C.F. Baker ; MNHN-EO-ENSIF6738 Remarks. The genitalia of the holotype is illustrated here, thereby strongly suggesting that Mistshenkoana ? gracilis ( Chopard, 1925 ) sensu Gorochov (2007 [ 2006 ]) and sensu Tan et al. (2020b) from Mount Makiling and Paete (Luzon, Laguna ) belong to a different species. Ecology. Unknown. Type locality. PHILIPPINES , Mindanao Island , Agusan Del Norte , Butuan City Distribution. PHILIPPINES (Mindanao: Agusan Del Norte ) Calling song. This species is mute.