List of Bombus flavescens specimens (the FLA database) including FLA ID, collection (MNHN= Muséum National d'Histoire Naturelle, Paris, France; NHMUK= Natural History Museum, London, UK; NMNL= Naturalis Biodiversity Center, Leiden, the Netherlands; PHW= Paul H. Williams research collection, UK; ROM= Royal Ontario Museum, Toronto, Canada), collection ID, species name, collecting date (dd/mm/yyyy),year and month (Jan=January; Feb=February; Mar=March; Apr=April; May=May; Jun=June; Jul=July; Aug=August; Sep=September; Oct=October; Nov=November; Dec=December), collecting site with georeferences (latitude and longitude), elevation(m), collector, and caste (Worker and Queen=Female; Male); NA= not available. This dataset is a part of the Chawatat Thanoosing PhD project.