A new bat species of the genus Myotis with comments on the phylogenetic placement of M. keaysi and M. pilosatibialis Author Carrion-Bonilla, Carlos Alberto Department of Biology and Museum of Southwestern Biology, University of New Mexico. Albuquerque, NM 87131, USA & Museo de Zoología. Escuela de Ciencias Biológicas. Pontificia Universidad Católica del Ecuador. Av. 12 de Octubre y Roca, Apartado 17 - 01 - 2184. Quito, Ecuador ccarrion@unm.edu & lophostoma1@gmail.com Author Cook, Joseph Anthony Department of Biology and Museum of Southwestern Biology, University of New Mexico. Albuquerque, NM 87131, USA. tucojoe@gmail.com text Therya 2020 2020-09-30 11 3 508 532 http://dx.doi.org/10.12933/therya-20-999 journal article 10.12933/therya-20-999 10260821 Myotisarmiensis sp. n. PANAMA ( n = 16 ): Chiriquí , Bugaba , La Amistad International Park, Rangers Station ( MSB 262089 * [ holotype ], MSB 262085 , MSB 262237 [paratypes]); Chiriquí , Bugaba , Renacimiento , Jurutungo, Río Sereno, La Amistad International Park ( MSB 262788 [ paratype ]), Chiriquí , Renacimiento , Santa Clara ( TTU 39146 [ paratype ]), Chiriquí , Renacimiento , Santa Clara , Ojo de Agua , 2 km Nof Santa Clara ( ROM 104302 [ paratype ]), Chiriquí , Tierras Altas , Cerro Punta , Casa Tiley ( USNM 323599 * [ paratype ]), Chiriquí , Tierras Altas, El Volcán 2 min SW ( USNM 331942 *, USNM 331943 * [ paratypes ]), Chiriquí , Bugaba , 36 Km, North of Concepción ( TCWC 12655 - 59* [ paratypes ]); ECUADOR ( n = 3 ): Tungurahua Province , Azuay ( TTU 85060 [ paratype ]), Napo Province , Cosanga , Cabañas del Aliso ( QCAZ 17245 [ paratype ]), Zamora Chinchipe , Yantzaza , Campo Minero Fruta del Norte ( QCAZ 12461 [ paratype ]) .