Figures 3-8 from: Engel M, Hinojosa-Díaz I (2011) Euglossa williamsi, a new species of orchid bee from the Amazon Basin of Ecuador and Peru, with notes on its taxonomic association and biogeography (Hymenoptera, Apidae). ZooKeys 159: 49-63. https://doi.org/10.3897/zookeys.159.2239

Figures 3-8 - Euglossa williamsi Hinojosa-Díaz and Engel sp. n. male holotype 3 Facial aspect 4 Lateral aspect of mesepisterum showing preomaular spot (arrow) 5 Outer surface of mesotibia 6 Mesotibial tufts 7 Ventral view of metasoma showing the absence of integumental modifications on second sternum (arrow) 8 Outer view of metatibia.