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Special Publications Muse urn of Texas Tech University NUMBER 42 15 JUNE 1999 TBe Bats Of Argentina Ruben M. Barquez Michael A. Mares and Janet K. Braun We dedicate this publication with great respect and affection to DR. KARL F. KOOPMAN, whose death leaves a void in the field of mammalogy in general, and in the biology of bats in particular. His intellect provided a shining light on the systematics of bats that illuminated the way for a generation of investigators. He will be greatly missed. For now, there are no more questions. Special Publications Museum of Texas Tech University NUMBER 42 THE BATS OF ARGENTINA Rub£n M. Barquez, Michael A. Mares, and Janet K. Braun Layout and Design: Janet K. Braun Cover Design: Patrick Fisher Copyright 1999, Museum of Texas Tech University All rights reserved. No portion of this book may be reproduced in any form or by any means, including electronic storage and retrieval systems, except by explicit, prior written permission of the publisher. This book was set in Times New Roman and printed on acid-free paper that meets the guidelines for permanence and durability of the Committee on Production Guidelines for Book Longevity of the Council on Library Resources. Printed: 15 June 1999 Library of Congress Cataloging-in-Publication Data Special Publications of the Museum of Texas Tech University, Number 42 Series Editor: Robert J. Baker THE BATS OF ARGENTINA Ruben M. Barquez, Michael A. Mares, and Janet K. Braun Illustrations by Norberto Giannini ISSN 0169-0237 ISBN 0-9640188-9-6 Museum of Texas Tech University Lubbock, TX 79409-3191 USA (806)742-2442 CONTENTS INTRODUCTION. 1 MATERIALS AND METHODS.3 Collection and Preparation of Specimens.....3 Measurements. 3 Specimens Examined. 5 Localities and Maps.6 Figures. 6 Taxonomic Keys to the Bats of Argentina..,8 Text. 8 Description of Species.9 ACCOUNTS OF SPECIES.11 Key to the Families of Argentine Bats.. 11 Family Noctilionidae.11 Key to the Species.11 Genus Noctilio.11 Noctilio albiventris. 12 Noctilio leporinus. 15 Family Phyllostomidae. 19 Key to the Subfamilies.... 19 Subfamily Phyllostominae. 20 Key to the Species. 20 Genus Macrophyllum. 20 Macrophyllum macrophyllum .. 20 Genus Tonatia. 25 Tonatia bidens. 25 Genus Chrotopterus. 29 Chrotopterus auritus. 29 Subfamily Glossophaginae.33 Key to the Species. 33 Genus Glossophaga. 33 Glossophaga soricina. 33 Genus Anoura. 38 Anoura caudifer. 38 Subfamily Carolliinae .. 41 Genus Caro Ilia. 41 Carollia perspicillata. 41 Subfamily Stenodermatmae. 45 Key to the Species. 45 Genus Sturnira. 46 Sturnira erythromos. 46 Sturnira lilium. 50 Sturnira oporaphilum. 57 Genus Platyrrhinus. 59 Platyrrhimis lineatus. 59 Genus Vampyressa. 62 Vampyressa pusilla. 62 Genus Artibeus. 63 Artibeus fimbriatus. 66 Artibeus lituratus. 67 Artibeus planirostris. 72 Genus Pygoderma. 75 Pygoderma bilabial urn. 75 Subfamily Desmodontinae. 78 Key to the Species. 78 Genus Desmodus. 78 Desmodus rotundas 78 Genus Diaemus. 84 Diaemus youngi. 84 Family Vespertilionidae. 86 ICey to the Species. 87 Genus Myotis. 89 Myotis aelleni. 89 Myotis albescens. 90 Myotis chiloensis. .92 Myotis keaysi. 99 Myotis levis. 99 Myotis nigricans.110 Myotis riparius. 144 Myotis ruber.113 Myotis simus.. 115 Genus Eptesicus.117 Eptesicus brasiliensis....117 Eptesicus diminutus . 120 Eptesicus furinalis. 123 Genus Histiotus. 128 His (iotas macrotus. 129 Histiotus magellanicus. 133 Histiotus montanus. 136 Histiotus velatus. 141 Genus Dasypterus. 142 Dasypterus ega. 143 Genus Lasiurus. 145 Lasiurus blossevillii .. 146 Lasiurus cine reus 152 Lasiurus varius 157 Family Molossidae. 160 Key to the Species. 160 Genus Molossops. 162 Molossops neglectus. 162 Molossops temminckii. 163 Genus Cynomops. 168 Cynomops abrasus ... 169 Cynomops paranus. 173 Cynomops planirostris. 174 Genus Tadarida. 178 Tadarida bras Mens is... 178 Genus Nyctinomops. 184 Nyctinomops laticaudatus. 184 Nyctinomops macrotis. 186 Genus Eumops. 190 Eumops auripendulus. 191 Eumops bonariensis. 193 Eumops dabbenei. 197 Eumops glaucinus. 199 Eumops patagonicus. 203 Eumops perotis. 207 Genus Promops.211 Promops centralis.211 Promops nasutus. 212 Genus Molossus. 217 Molossus ater. 218 Molossus molossus. 221 DISCUSSION 227 ACKNOWLEDGMENTS 241 LITERATURE CITED.243 APPENDIX I. GAZETTEER. 259