Rhinocricus fortaleza, Rodrigues & Rodrigues & Ott, 2018

Rodrigues, Patrícia E. S., Rodrigues, Everton N. L. & Ott, Ricardo, 2018, Four new species of Rhinocricus (Diplopoda: Spirobolida: Rhinocricidae) from Brazil, Iheringia, Série Zoologia (e 2018031) 108, pp. 1-5 : 4

Rhinocricus fortaleza sp. nov.

( Figs. 13-15 , 18-20 )

urn:lsid:zoobank.org:act:4E884950-07D4-4E67-9110-ADEBC10E595F

Type material. Male holotype from Cambará do Sul , Parque Nacional de Aparados da Serra, canion Fortaleza , 29°11’30”S, 50°5’51”W, Rio Grande do Sul, Brazil, 09.I.1976, A. A. Lise leg. (MCN 0007). Paratypes: three ♂ and foUr ♀ same data as the holotype ( MCN 0008) .

Etymology. The specific name is a noUn in apposition, taken from the type locality.

Diagnosis. Rhinocricus fortaleza sp. nov. resembles R. avanhandavae Schubart, 1951 (see SCHUBART, 1951:245, figs 11, 12) in the shape of the sternite of the anterior gonopod, which has a pointed tip and is longer than the coxite and telopodite ( Fig. 13 ), bUt differs in the shape of the posterior gonopod, with the solenomere being distally pointed, shorter than the external branch ( Fig. 15 ).

Description. Holotype ♂ ( Figs 18-20 ) with 61 rings. Length 62. Width 7. General coloration yellowish brown. Clypeus with spaced 2-2 supra-labral setae. Antennae with three last antennomeres with some setae. Prozonites and metazonites yellow, but posterior margins of metazonites brown. Ocelli black, arranged in seven rows. Ozopores beginning at the sixth ring. Scobinae semicircular beginning at sixth ring. Legs yellow, with elongated coxae at third and fourth pairs of legs. Telson ( Fig. 20 ) yellow with epiproct elongated, surpassing the paraprocts. Hypoproct semicircular.

Anterior gonopod ( Figs 13, 14 ) with subtriangular sternite longer than wide, distally rounded. Sternite longer than coxite and telopodite. Coxite shorter than telopodite.

Posterior gonopod ( Fig. 15 ). Solenomere distally pointed, shorter than external branch. External branch lamellate, externally rounded and internally with a sharp and projecting distal end.

Female paratype with 62 rings. Length 64. Width 7. General coloration yellow.

Distribution. Known only from the type locality, Cambará do Sul, state of Rio Grande do Sul, South Brazil.

Figures

Figs 13-15. Rhinocricus fortaleza sp. nov. Figs 13, 14, anterior gonopod: 13, anterior view; 14, posterior view.Fig.15, posterior gonopod (cx, coxite; st, sternite; sl, solenomere; tp, telopodite; eb, external branch; lb, lobe of telopodite). Scale bar = 1.0 mm.

Figs 16-20. Rhinocricus montenegrinus sp. nov. Figs 16,17, holotype ♂, lateral view: 16, anterior rings; 17, posterior rings. Figs 18-20, Rhinocricus fortaleza sp. nov., holotype ♂: 18, ventral view; 19, anterior rings; 20, posterior rings (co, collUm; II, second ring; III, third ring; IV, foUr ring; V, five ring; IV, six ring; par, paraproct; ep, epiproct; hyp, hypoproct). Scale bar = 2.0 mm.