The Bees of Colorado (Hymenoptera: Apoidea: Anthophila) By Virginia L. Scott John S. Ascher Terry Griswold César R. Nufio Natural History Inventory of Colorado Number 23 September 1, 2011 University of Colorado Museum of Natural History Boulder, Colorado © 2011 by University of Colorado Museum of Natural History All rights reserved. ISSN 0890-6882 University of Colorado Museum of Natural History 218 UCB Boulder, Colorado 80309-0218 The Bees of Colorado (Hymenoptera: Apoidea: Anthophila) By Virginia L. Scott1 John S. Ascher2 Terry Griswold3 César R. Nufio1, 4 1 Entomology Section, University of Colorado Museum of Natural History, 265 UCB, Boulder, Colorado 80309-0265;
[email protected] 2 Division of Invertebrate Zoology, American Museum of Natural History, Central Park West at 79th Street, New York, New York 10024-5192 3 USDA-ARS Bee Biology and Systematics Laboratory, Utah State University, Logan, Utah 84322-5310 4 Department of Ecology and Evolutionary Biology, University of Colorado, 334 UCB, Boulder, Colorado 80309-0334 Natural History Inventory of Colorado Number 23 September 1, 2011 University of Colorado Museum of Natural History Boulder, Colorado ISSN 0890-6882 For Url i Plate 1. Colorado Bees 1. Colletes sp., ♀. 2. Hylaeus (Hylaeus) leptocephalus (Morawitz), ♂. 3. Andrena (Callandrena) helianthi Robertson, ♀. 4. Halictus (Pachyceble) confusus arapahonum Cockerell, ♂. 5. Agapostemon (Agapostemon) femoratus (Crawford) or A. (A.) obliquus (Provancher), ♀. 6. Stelis (Dolichostelis) rudbeckiarum Cockerell, ♀. 7. Megachile (Xanthosarus) sp., ♂. 8. Coelioxys (Boreocoelioxys) sp., ♂. 9. Ceratina (Zadontomerus) sp., ♀. 10. Nomada utahensis Moalif, ♀. 11. Holcopasites calliopsidis Linsley, ♀. 12. Bombus (Thoracobombus) fervidus (Fabricius), ♂. Photographs by Diane M. Wilson. ii Plate 1. 1 2 3 4 5 6 7 8 9 10 11 12 iii .