Figures 312-315 from: Fukushima CS, Bertani R (2017) Taxonomic revision and cladistic analysis of Avicularia Lamarck, 1818 (Araneae, Theraphosidae, Aviculariinae) with description of three new aviculariine genera. ZooKeys 659: 1-185. https://doi.org/10.3897/zookeys.659.10717

Figures 312-315 - Male palpal bulb prominence in Avicularia, frontal. 312 Avicularia minatrix (MZUSP 70949), absent 313 Avicularia caei sp. n. holotype (MPEG 015637), weakly-developed 314 Avicularia avicularia (MPEG 2534), developed 315 Avicularia variegata stat. n. (INPA 4897), well-developed. Scale bars = 1 mm. Arrows indicate groove that forms bulb prominence.