Figures 1-6 from: Gonzalez V, Engel M, Lucia M, Alvarez L (2013) Species status and new distribution records for Lithurgus huberi (Hymenoptera, Megachilidae, Lithurginae). Journal of Hymenoptera Research 30: 13-18. https://doi.org/10.3897/jhr.30.4018

Figures 1-6 - Details of Lithurgus huberi Ducke from Minas Gerais, Brazil (left column: 1, 3, 5) and Lithurgus atratus Smith (NHML syntypes) (right column: 2, 4, 6). Facial views (1, 2), detail of facial prominence (3, 4), and inner surface of metabasitarsus emphasizing the apical expansion and glabrous surface (5, 6).