title: Orchid bees.
authors.affiliation: Environmental Science, University of California, Berkeley, Berkeley, CA 94720, USA. sramirez@post.harvard.edu
authors.forename: Santiago R
authors.initials: SR
authors.lastname: Ramírez
mesh_terms: D000818:Animals; D001516:Bees / Q000145:classification* / Q000235:genetics / Q000502:physiology*; D001522:Behavior, Animal; D005075:Biological Evolution; D005260:Female; D008297:Male; D029595:Orchidaceae / Q000235:genetics / Q000502:physiology; D054817:Pollination