Mass: 5.1 g based on Kuns and Tashian 1954, Aguirre et al. 2002, Barquez et al. 1999, Bracamonte 2010, Cirignoli et al. 2011, Lawlor 1973, Mena 2010, Patterson et al. 1996, Studier et al. 1983, and da Rocha et al. 2015

Diet: insectivore based on Patterson et al. 1996, Ochoa et al. 2000, Aguirre et al. 2003, Kalko et al. 2008, Loayza and Loiselle 2009, Ortêncio-Filho and Reis 2009, Bracamonte 2013, Moras et al. 2013, Nobre et al. 2013, and Miranda et al. 2015

Abundance: 0.10 to 17.46% (median 1.56%)

Latitudinal range: -30.3° to 10.4°

Habitats: desert/xeric shrubland (2), temperate broadleaf/mixed forest (1), tropical/subtropical dry broadleaf forest (30), tropical/subtropical moist broadleaf forest (12), tropical/subtropical savanna (7)

Found in 52 samples

Argentina: Parque Provincial Potrero de Yala

Bolivia: Espíritu, Beni Biological Station–Biosphere Reserve (forest islands)

Brazil: Panga Ecological Reserve, Ilha da Marambaia, Una (forests), Morro do Elefante (understory), Amanã Sustainable Development Reserve (terra firme high-water under-storey), São Paulo, Bragança, Viseu, Serra Negra (south slope), Serra Negra (north slope), Parque Estadual do Rio Doce (Vinhático), Nova Xavantina (site 1, rainy season), Morro de São João, Refúgio de Vida Silvestre Mata do Junco, Middle São Francisco River, Praia das Neves, Universidade Federal de Sergipe, Campo Grande parks, Mata Godoy, Fazenda Congonhas (native woodland), Morro do Imperador, Una (cabrucas), Ilhéus (cabrucas), Estação Ecológica de Fechos, Arthur Thomas Park, Private Natural Heritage Reserve Fazenda Almas, Quinta da Boa Vista, Médio Rio Teles Pires, Base (wet season), Serra da Guia, Morro do Coco, Caju Private Natural Heritage Reserve

Colombia: Montería, Isla Palma

Costa Rica: Cañas

Guyana: Karisparu

Paraguay: Base Naval Pedro P. Pena, Estancia Canada Mil, Estancia Chacoite, Estancia Loma Pora, Militar Gabino Mendoza

Peru: Reserva Nacional Allpahuayo-Mishana, Mishana, Valle de Pozuzo, Parque Nacional Cerros de Amotape, Aguas Claras Camp (mist nets)

Venezuela: Negra Hipólita, Mayorica, Parque Recreacional Leonor Bernabó

♀ body mass	3.5 g	N = 1	Kuns and Tashian 1954
♀ body mass	4.5 g	N = 1	Kuns and Tashian 1954
body mass	4.15 g	N = 2	Aguirre et al. 2002
body mass	5.2 g	N = 18	Barquez et al. 1999
body mass	6.6 g	N = 11	Bracamonte 2010
body mass	3 g	N = 1	Cirignoli et al. 2011
body mass	4.2 g	N = 1	Lawlor 1973
body mass	5.8 g	N = 2	Mena 2010
body mass	5.9 g	N = 1	Patterson et al. 1996
body mass	4.0 g	N = 8	Studier et al. 1983
body mass	5.0 g	N = 1	da Rocha et al. 2015
ear length	11 mm	N = 1	Cirignoli et al. 2011
♀ forearm length	34.6 mm	N = 1	Sânchez-Hernândez et al. 1999
hind foot length	7 mm	N = 1	Cirignoli et al. 2011
lower tooth row length	5.4 mm	N = 1	Hooper 1947
skull length	13.6 mm	N = 1	Hooper 1947
tail length	35 mm	N = 1	Cirignoli et al. 2011
total body length	78 mm	N = 1	Cirignoli et al. 2011

See also Myotis, Myotis adversus, Myotis albescens, Myotis alcathoe, Myotis ater, Myotis auriculus, Myotis austroriparius, Myotis bechsteinii, Myotis blythii, Myotis bocagii, Myotis brandtii, Myotis californicus, Myotis capaccinii, Myotis chinensis, Myotis ciliolabrum, Myotis dasycneme, Myotis daubentonii, Myotis davidii, Myotis elegans, Myotis emarginatus, Myotis evotis, Myotis fortidens, Myotis goudotii, Myotis gr. myotis/blythi, Myotis grisescens, Myotis hasseltii, Myotis horsfieldii, Myotis ikonnikovi, Myotis keaysi, Myotis keenii, Myotis leibii, Myotis levis, Myotis lucifugus, Myotis macrodactylus, Myotis macrotarsus, Myotis muricola, Myotis myotis, Myotis mystacinus, Myotis nattereri, Myotis pilosatibialis, Myotis pilosus, Myotis podlesicensis, Myotis reductus, Myotis ridleyi, Myotis riparius, Myotis ruber, Myotis rufopictus, Myotis sanctialbani, Myotis septentrionalis, Myotis siligorensis, Myotis simus, Myotis sodalis, Myotis sp., Myotis sp. 1, Myotis sp. 2, Myotis sp. A, Myotis sp. B, Myotis sp. I, Myotis sp. II, Myotis spp., Myotis thysanodes, Myotis tricolor, Myotis velifer, Myotis volans, Myotis welwitschii, Myotis yumanensis