AMERICAN MUSEUM Novitates PUBLISHED BY THE AMERICAN MUSEUM OF NATURAL HISTORY CENTRAL PARK WEST AT 79TH STREET, NEW YORK, N.Y. 10024 Number 2798, pp. 1-37, figs. 1-37, tables 1, 2 November 13, 1984 Comparative Nesting Biology of the Bee Tribe Exomalopsini (Apoidea, Anthophoridae) JEROME G. ROZEN, JR.' CONTENTS Abstract ............................................. 2 Introduction ............................................. 2 Acknowledgments ............................................. 2 Specific Observations . ............................................. 3 Paratetrapedia (Trigonopedia) oligotricha (Moure) ............ .................. 3 Paratetrapedia (Paratetrapedia) gigantea (Schrottky) .......... .................. 3 Lanthanomelissa species ..........................................- 3 Tapinotaspis (Tapinorhina) caerulea (Friese) . .................................. 3 Tapinotaspis (Tapinotaspoides) tucumana (Vachal) .............................. 4 Monoeca lanei (Moure) ................ .......................... 7 Monoeca schrottkyi (Friese) ......................................... 10 Monoeca species .......................................... 10 Exomalopsis (Exomalopsis) aureopilosa Spinola ................. ............... 10 Exomalopsis (Exomalopsis) globosa (Fabricius) ................... .............. 10 Exomalopsis (Exomalopsis) similis Cresson ..................................... 10 Exomalopsis (Megomalopsis) fulvofasciata Smith ............... ................ 10 Exomalopsis (Phanomalopsis) solani Cockerell .................. ............... 10 Exomalopsis (Phanomalopsis) solidaginis Cockerell ............. ................ 12 Exomalopsis (Anthophorula) compactula Cockerell .............. ................ 16 Exomalopsis (Anthophorula) crenulata Timberlake .............. ................ 17 Exomalopsis (Anthophorula) torticornis Cockerell ............... ................ 17 Exomalopsis (Anthophorisca) chionura Cockerell ................... .............. 17 Exomalopsis (Anthophorisca) consobrina Timberlake ............................ 17 Exomalopsis (Anthophorisca) sidae Cockerell . .................................. 17 Eremapis parvula Ogloblin .................. ....................... 21 Ancyloscelis apiformis (Fabricius) ......................................... 21 Ancyloscelis panamensis Michener ......................................... 24 1 Deputy Director for Research and Curator of Hymenoptera, American Museum of Natural History. Copyright © American Museum of Natural History 1984 ISSN 0003-0082 / Price $3.27