15, 16 Labus amoenus: 15 female head, frontal view 16 male head, frontal view 17, 18 Labus clypeatus, female: 17 head, frontal view 18 habitus 19, 20 Labus lofuensis: 19 female head, frontal view 20 male head, frontal view. Scale bar: 0.5 mm.