Abiliodesmus defensor ( Hoffman, 1976 ), 2021

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), Zootaxa 4970 (2), pp. 201-256 : 238

Abiliodesmus defensor ( Hoffman, 1976) new combination

Figures 22 , 25

Angelodesmus defensor Hoffman, 1976: 174 , figs 7−10. Male holotype from Fazenda Aceiro, Jataí (17°52’54”S, 51°42’51”W), Goiás, Brazil, XI.1962, R. Hoffman coll., deposited in MZSP 1067, examined. Paratypes: one male, with same data of the holotype, MZSP 1068 ; one male and one female with the same data of the holotype, deposited in VMNH 110613.1 and VMNH 110613.2 , respectively, not examined .

Diagnosis. Adult males differ from all other species of the genus by the combination of the following characters: presence of a wide lateral expansion in the solenomere ( Fig. 22D ) and the prefemoral process completely involving the solenomere, in ectal view ( Fig. 22F ).

Description. Male (Holotype, MZSP 1067). Coloration (long-preserved in 70% ethanol): Head and antennae ochre (both antennae of the holotype are broken). Body ocher with the edges of the paranota whitish ( Figs 22A– C ). Legs ocher yellowish. Telson ocher. Total length: 34.63. Total width: 5.26. Collum, length 1.39, width 4.62. Antennomere lengths (1>7): 0.46; 1.28; 1.09; 1.17; 1.18; 1.10; 0.34. Podomeres lengths (1>7): 0.55; 0.70; 1.74; 0.68; 0.79; 1.27; 0.39. Gonopod aperture, length 1.03, width 1.68. Telson, length 0.93. Gonopod: length 1.99, width 0.94. Gonocoxae: length 0.58, width 0.29. Telopodite: length 1.99, width 0.65. Prefemoral process long (slightly larger than the solenomere) and narrow ( Fig. 22E ). Solenomere long with a lateral membranous expansion ( Fig. 22D ). Cingulum in basal position ( Fig. 22F ). Apex of the solenomere acuminate and ascending ( Figs 22D ).

Female (Paratype, VMNH 110613.2 ). See Hoffman (1976): 176 to taxonomic notes .

Distribution. Known only from the type locality ( Fig. 25 ).

Figures

FIGURE 22. Abiliodesmus defensor (Hoffman, 1976) comb. nov. (holotype, MZSP 1067), 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: 0,5 mm. Abbreviations: C, cingulum; PfP, prefemoral process; S, solenomere.

FIGURE 25. Distribution map of Abiliodesmus n. gen. species.