Gangugia tapirapensis Schubart 1947
Creators: name: Bouzan, Rodrigo Salvador
name: Iniesta, Luiz Felipe M.
name: Brescovit, Antonio Domingos
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Diplopoda
Polydesmida
Chelodesmidae
Gangugia
Gangugia tapirapensis

description: Gangugia tapirapensis Schubart, 1947
Figures 12, 18, 24A–B
Gangugia tapirapensis Schubart, 1947: 8, figs 4−8. Syntypes: 5 males, 5 females and 15 juveniles from Barra do Tapirapé (now known as Santa Terezinha) (-10.471803°; -50.515290°), Mato Grosso, Brazil, 23.XI.1939 − 15.III.1940, A. L. de Carvalho coll., deposited in MZSP 1069, 1070, 1071, 1076 and MNRJ 11822, examined (male lectotype [MZSP 1076] and all remaining material as paralectotypes here designated). Schubart, 1958: 238; Hoffman, 1976: 179; Golovatch, Hoffman, Adis, Marques, Raizer, Silva, Ribeiro, Silva and Pinheiro, 2005: 277.
Additional material. BRAZIL: Mato Grosso: Barra do Tapirapé (Now known as Santa Terezinha); (-10.471803°; -50.515290°); 3♂, 2♀ and one juvenile, XI–XII.1939, A. L. de Carvalho coll. (MNRJ 12008); 1♂, I–II.1940, A. L. de Carvalho coll. (MNRJ 11821); four juveniles, xii.1839 – ii.1940, A. L. de Carvalho coll. (MNRJ 11820, destroyed after the Museu Nacional fire in 2018); 84 juveniles (MNRJ 11677, destroyed after the Museu Nacional fire in 2018); 94 individuals, xi–xii.1839, A. L. de Carvalho coll. (MNRJ 11679, destroyed after the Museu Nacional fire in 2018); 42 individuals, (MNRJ 11680, destroyed after the Museu Nacional fire in 2018); 1♂ and 1♀, I.1940, A. L. de Carvalho coll. (MZSP 1072); 1♀, I–II.1940, A. L. de Carvalho coll. (MZSP 1073).
Diagnosis. Adult males differ from all other species of the genus by the combination of the following characters: presence of indentations in the prefemoral process (Fig. 12D) and presence of a sigmoid curvature in the apex of the solenomere (Fig. 12F).
Description. Male (Lectotype, MZSP 1076). Coloration (long-preserved in 70% ethanol): Head and antennae ochre. Body ocher and with the lateral border of the paranota and the posterior edge of the metaterga more whitish (Figs 12A–C). Legs ochre. Telson ocher. Total length: 62.08. Total width: 9.78. Collum, length 2.82, width 9.11. Antennomere lengths (1>7): 0.81; 2.19; 1.57; 1.45; 1.37; 1.43; 0.37. Podomeres lengths (1>7): 1.03; 1.30; 2.83; 1.25; 1.58; 1.69; 0.47. Gonopod aperture, length 2.00, width 4.32. Telson, length 1.22. Gonopod: length 2.97, width 2.79. Gonocoxae: length 1.37, width 0.98. Telopodite: length 2.25, width 1.85. Prefemoral process long (larger than the solenomere), narrow and curved, terminal portion presenting numerous indentations (Figs 12D–E). Solenomere long, narrow and curved (Fig. 12D). Cingulum in basal position (Fig. 12F). Apex of the solenomere with descending sigmoid curvature (Fig. 12F).
Female (Paralectotype, MZSP 1070). Body as in male, except for the legs; without modifications, with only the presence of a slight dorsal lobe in the prefemur of the anterior legs. Total length: 56.19. Total width: 9.00. Antennomere lengths (1>7): 0.65; 1.67; 1.29; 1.22; 1.23; 1.16; 0.36. Podomeres lengths (1>7): 0.69; 1.08; 2.61; 0.92; 1.03; 1.47; 0.43. Telson, length 1.06. Epigyne triangular with irregular edges. Vulvae (Figs 24A–B): length 1.57, width 0.83. External valve: length 1.12, width 0.37. Internal valve: length 1.11, width 0.42. Operculum: length 0.45, width 0.63.
Distribution. Known only from the type locality (Fig. 18).
description: Published as part of Bouzan, Rodrigo Salvador, Iniesta, Luiz Felipe M. & Brescovit, Antonio Domingos, 2021, Cladistic analysis and taxonomic review of the millipede tribe Arthrosolaenomeridini Hoffman, 1976 (Polydesmida: Chelodesmidae), pp. 201-256 in Zootaxa 4970 (2) on pages 224-226, DOI: 10.11646/zootaxa.4970.2.1, http://zenodo.org/record/4761544