LAUSR

ABSTRACT Diclidurus scutatus is an aerial insectivore bat endemic of South America and considered rare throughout its distribution range. We present the first record of this species in Rondonia State, northern Brazil, expanding its distribution more than 1000 km into southwestern Amazonia. Including this record, D. scutatus is known for 20 localities from eight countries (Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, Venezuela), and two biomes—Amazonia and Atlantic Forest. KEYWORDS: distribution, lesser ghost bat, western Amazon, Rondonia Extensao da distribuicao de Diclidurus scutatus (Chiroptera, Emballonuridae) para o sudoeste da Amazonia RESUMO Diclidurus scutatus e um morcego insetivoro aereo, endemico da America do Sul e considerado raro em toda sua area de distribuicao. Apresentamos o primeiro registro dessa especie para o estado de Rondonia, norte do Brasil, expandindo sua distribuicao em mais de 1000 quilometros para o sudoeste da Amazonia. Incluindo o presente registro,