Figures 8-19 from: Parizotto D, Urban D (2012) A revised key to the Neotropical cleptoparasitic anthidiine genera (Hymenoptera, Megachilinae) with notes and description of the male of Rhynostelis Moure & Urban. ZooKeys 249: 27-35. https://doi.org/10.3897/zookeys.249.4030

Figures 8-19 - 8–10 head in frontal view of female. 8 Dolichostelis louisae 9 Stelis lateralis 10 Melostelis amazonensis 11 details of mandibles of Melostelis amazonensis 12 vertex of Hoplostelis bilineolata 13 fovea of propodeum of Melostelis amazonensis 14–15 middle tibia of female 14 Melostelis amazonensis 15 Rhynostelis multiplicata 16–17 hind tibia of female 16 Hoplostelis bilineolata 17 Rhynostelis multiplicata 18–19 details of first tergum of metasoma of female 18 Melostelis amazonensis 19 Hoplostelis bilineolata. Scale line = 0.5 mm (Figures 8–19).