Erythrocricus Schubart, 1962

Rodrigues, Patrícia Elesbão Silva & Rodrigues, Everton Nei Lopes, 2021, Taxonomic review of the genus Erythrocricus Schubart, 1962 (Diplopoda, Spirobolida, Rhinocricidae), European Journal of Taxonomy 748, pp. 177-187 : 179

Genus Erythrocricus Schubart, 1962

Erythrocricus Schubart, 1962: 69 , as subgenus of Rhinocricus Karsch, 1881

(type species: Rhinocricus (Erythrocricus) sanguineostriatus Schubart, 1962 ).

Erythrocricus – Hoffman, 1980: 79 (new status).

Rhinocricus (Erythrocricus) sanguineostriatus – Marek et al. 2003: 71.

Diagnosis

Species of Erythrocricus differ from other rhinocricid genera by the combination of the following characters: both males and females have a transverse red line on body rings ( Figs 1B, D–F , 3C–D ), males present a sternite of the anterior gonopods triangular in anterior view and a rounded coxite ( Figs 2A , 5A ), each posterior gonopod has the external branch folded over the solenomere ( Figs 2C , 5C ).

Species included

Erythrocricus sanguineostriatus ( Schubart, 1962)

Erythrocricus electrofasciatus ( Schubart, 1957) comb. nov.

Distribution

Occurring in the Atlantic forest (state of São Paulo), Cerrado biome (state of Goiás), and in the Amazonian and Pantanal biomes (Mato Grosso) of Brazil.

Key to species of Erythrocricus (based on males)

1. Red coloration on collum, telson and all metazonites as a transverse red line dorsally ( Fig. 1B, D–F ), lobe of telopodite of anterior gonopod reduced in posterior view ( Fig. 2B ) ...................................... ............................................................................................... E. sanguineostriatus ( Schubart, 1962)

‒ Red coloration as a transverse red line in dorsal portion only on anterior metazonites, lobe of telopodite of anterior gonopod well-developed in posterior view ( Fig. 5B ) ...................................... ................................................................................ E. electrofasciatus (Schubart, 1958) comb. nov.

Figures

Fig. 1. Erythrocricus sanguineostriatus (Schubart, 1962), ♂ (MCN 406). A. Head. B. Anterior body rings, lateral view. C. Anterior body rings, ventral view. D. Posterior body rings, dorsal view. E. Midbody rings, lateral view. F. Posterior body rings and telson, lateral view. Scale bars = 1 mm.

Fig. 3. Erythrocricus sanguineostriatus (Schubart, 1962), ♀ (MCN 406). A. Head and anterior body rings, lateral view. B. Head and anterior body rings, ventral view. C. Posterior body rings, dorsal view. D. Posterior body rings and telson, lateral view. Scale bars = 1 mm.

Fig. 2. Erythrocricus sanguineostriatus (Schubart, 1962), ♂ (MCN 406). A. Anterior gonopod, anterior view. B. Anterior gonopod, posterior view. C. Left posterior gonopod, anterior view. Scale bars = 1 mm.

Fig. 5.Erythrocricus electrofasciatus (Schubart, 1957), ♂ (MZUFMT-MYR0481). A.Anterior gonopod, anterior view. B. Anterior gonopod, posterior view. C. Rigth posterior gonopod, posterior view. Scale bars = 1 mm.