Cladistic analysis and taxonomic review of the millipede tribe Arthrosolaenomeridini Hoffman, 1976 (Polydesmida: Chelodesmidae) Author Bouzan, Rodrigo Salvador Pós-graduação em Zoologia, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brasil. Author Iniesta, Luiz Felipe M. 0000-0002-0529-4162 Pós-graduação em Zoologia, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brasil. & luiz-moretti @ hotmail. com; https: // orcid. org / 0000 - 0002 - 0529 - 4162 luiz-moretti@hotmail.com Author Brescovit, Antonio Domingos 0000-0002-1511-5324 antonio. brescovit @ butantan. gov. br; https: // orcid. org / 0000 - 0002 - 1511 - 5324 antonio.brescovit@butantan.gov.br text Zootaxa 2021 2021-05-14 4970 2 201 256 journal article 6318 10.11646/zootaxa.4970.2.1 89d3c795-198b-4162-8903-9c6cf3f1e665 1175-5326 4761544 6DBA0C02-9E52-4FD0-8B48-8C7B405713A8 Abiliodesmus planaltensis ( Schubart, 1960 ) new combination Figures 20 , 24E–F , 25 Arthrosolaenomeris planaltensis Schubart, 1960: 453 , figs 1−2. Male holotype from Jaci ( 20°52’56”S , 49°34’11”W ), Mirassol , São Paulo , Brazil , 11.I.1950 , O. Schubart coll., deposited in MZSP 1086 , examined. Angelodesmus planaltensis :-- Hoffman, 1976: 176 . Additional material. BRAZIL : São Paulo : Monte Aprazível ( 20°46’21”S , 49°42’51”W ), Fazenda São José do Varjão , 3♀ and one juvenile , 09.I.1950 , O. Schubart coll. ( MZSP 1084 ) ; Ribeirão Preto ( 21°10’39”S , 47°48’37”W ), Mata Santa Tereza , 3♂ and 1♀ , 06–11.I.2006 , I. Cizauskas coll. ( IBSP 3569 ) ; 4♂ and 1♀ , 06–11.I.2006 , I. Cizauskas coll. ( IBSP 3570 ) . Diagnosis. Adult males differ from all other species of the genus by the presence of a narrow lateral expansion in the solenomere ( Figs 20D–F ). Description. Male ( Holotype , MZSP 1086). Coloration (long-preserved in 70% ethanol): Head and antennae ochre. Body ocher with the edges of the paranota whitish ( Figs 20A–C ). Legs ochre. Telson ocher. Total length: 50.84. Total width: 7.48. Collum, length 1.87, width 6.68. Antennomere lengths (1>7): 0.61; 1.67; 1.30; 1.12; 1.37; 1.30; 0.38. Podomeres lengths (1>7): 0.70; 0.94; 2.20; 0.97; 1.12; 1.55; 0.43. Gonopod aperture, length 1.29, width 2.34. Telson, length 0.81. Gonopod: length 2.71, width 2.11. Gonocoxae: length 0.84, width 0.98. Telopodite: length 2.56, width 1.12. Prefemoral process long (slightly larger than the solenomere) and narrow ( Fig. 20D ). Solenomere long ( Fig. 20F ), presence of a lateral membranous expansion ( Figs 20E–F ). Cingulum situated basally ( Fig. 20F ). Apex of the solenomere acuminate and ascending ( Fig. 20D ). FIGURE 20. Abiliodesmus planaltensis ( Schubart, 1960 ) comb. nov. (holotype, MZSP 1086), dorsal views of anterior (A), midbody (B) and posterior (C) body rings. Scale bars: 2 mm. Left gonopod. (D), mesal view; (E), ventral view; (F), ectal view. Scale bars: 1 mm. Abbreviations: C, cingulum; PfP, prefemoral process; S, solenomere. Female (IBSP 3569). Body as in male. Total length: 54.76. Total width: 8.18. Antennomere lengths (1>7): 0.49; 1.69; 1.38; 1.46; 1.34; 1.11; 0.30. Podomeres lengths (1>7): 0.82; 0.99; 2.18; 0.78; 1.02; 1.43; 0.59. Telson, length 1.72. Epigyne rounded with regular edges. Vulvae ( Fig. 24E–F ): length 1.20, width 0.57. External valve: length 0.81, width 0.26. Internal valve: length 0.78, width 0.27. Operculum: length 0.37, width 0.45. Distribution. São Paulo , Brazil ( Fig. 25 ).