Arthrosolaenomeris chapadensis Schubart 1943
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
Arthrosolaenomeris
Arthrosolaenomeris chapadensis

description: Arthrosolaenomeris chapadensis Schubart, 1943
Figures 4, 10A–B, 11
Arthrosolaenomeris chapadensis Schubart, 1943: 144, 160, 161, figs 28−38. Male holotype from Indubrasil, Campo Grande (20°26’34”S, 54°38’47”W), Mato Grosso do Sul, Brazil, 17.X.1938, Instituto Osvaldo Cruz coll., deposited in MZSP 1092, examined. Paratypes: one male from Camapuã (19°31’54”S, 54°02’37”W), Mato Grosso do Sul, Brazil, X.1938, Camargo coll., deposited in MZSP 1090 and two males from Porto Murtinho (21°41’56”S, 57°52’56”W), Mato Grosso do Sul, Brazil, XII.1929, R. Spitz coll. deposited in MZSP 522 and 536, respectively, examined; Schubart, 1958: 238; Hoffman, 1976; 177; Golovatch, Hoffman, Adis, Marques, Raizer, Silva, Ribeiro, Silva and Pinheiro, 2005: 276.
Additional material. BRAZIL: São Paulo: Rosana (22°34’47”S, 53°03’32”W), Usina Hidrelétrica Engenheiro Sérgio Motta (Porto Primavera), 1♂, 1♀ and one juvenile, 1999–2000, Equipe Butantan coll. (IBSP 1049).
Diagnosis. Adult males differ from other species of the genus by the combination of the following characters: presence of indentations in the prefemoral process (Fig. 4D) and absence of a conspicuous groove in the apex of the prefemoral process (Fig. 4D).
Description. Male (Holotype, MZSP 1092). Coloration (long-preserved in 70% ethanol): Head and antennae ocher. Body ocher and paranota tip with the same color as the body (Figs 4A–C). Legs ocher. Telson ocher. Total length: 65.98. Total width: 10.02. Collum, length 3.10, width 9.33. Antennomere lengths (1>7): 0.71; 1.91; 1.82; 1.62; 1.56; 1.51; 0.39. Podomeres lengths (1>7): 1.03; 1.60; 2.78; 1.52; 1.96; 1.97; 0.68. Gonopod aperture, length 1.98, width 3.35. Telson, length 0.77. Gonopod: length 2.86, width 2.07. Gonocoxae: length 1.11, width 1.02. Telopodite: length 2.77, width 1.00. Prefemoral process long (greater than or equal to the solenomere) and narrow (Figs 4D–F). Presence of a large secondary process positioned in its medial portion (Fig. 4D). Posterior portion to the secondary process with several indentations. Solenomere long and narrow (Fig. 4E). Cingulum positioned centroposteriorly (Fig. 4F). Apex of the solenomere abruptly descending (Fig. 4D).
Female (IBSP 1049). Body as in male. Total length: 57.60. Total width: 9.35. Antennomere lengths (1>7): 0.87; 1.72; 1.54; 1.36; 1.37; 1.38; 0.33. Podomeres lengths (1>7): 0.82; 1.26; 2.62; 1.04; 1.12; 1.63; 0.55. Telson, length 1.38. Epigyne rectangular shaped. Vulvae (Figs 10A–B): length 1.34, width 0.68. External valve: length 0.98, width 0.34. Internal valve: length 0.94, width 0.28. Operculum: length 0.39, width.0.56.
Distribution. States of Mato Grosso do Sul and São Paulo, Brazil (Fig. 11).
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 page 213, DOI: 10.11646/zootaxa.4970.2.1, http://zenodo.org/record/4761544