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).

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).