Figure 17-18 from: Gabriel R, Longhorn SJ (2015) Revised generic placement of Brachypelma embrithes (Chamberlin & Ivie, 1936) and Brachypelma angustum Valerio, 1980, with definition of the taxonomic features for identification of female Sericopelma Ausserer, 1875 (Araneae, Theraphosidae). ZooKeys 526: 75-104. https://doi.org/10.3897/zookeys.526.6315

Figure 17-18 - 17 Leg IV tarsus and metatarsus of Sericopelma immensum, allotype female (Naranjal de Guarumal, Cantón Puriscal, San José, Costa Rica), showing most extensive metatarsal 'trace' scopula 18 Nymphal (pre-dispersal) young misidentified by Petrunkevitch as Brachypelma vagans Panama, and inset, older yet smaller (post-dispersal) young of Brachypelma cf. vagans (pettrade, from Mexico).