Erythrocricus sanguineostriatus
Creators: name: Rodrigues, Patrícia Elesbão Silva
name: Rodrigues, Everton Nei Lopes
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Diplopoda
Spirobolida
Rhinocricidae
Erythrocricus
Erythrocricus sanguineostriatus

description: Erythrocricus sanguineostriatus (Schubart, 1962)
Figs 1–3
Rhinocricus (Erythrocricus) sanguineostriatus Schubart, 1962: 70, figs 1, 2, 4.
Rhinocrinus (Erythocricus) sanguineostriatus — Marek et al. 2003: 72.
Erythrocricus miniatostriatus Schubart, 1962: 71, figs 3, 5. Syn. nov.
Justification of synonymy
Schubart (1962) described two species, Erythrocricus sanguineostriatus and E. miniatostriatus, both similar in body pattern and gonopods structure. Despite the similarities, both species present variations in
the red coloration on body rings wich in E. sanguineostriatus is present dorsally and in E. miniatostriatus dorsally and ventrolaterally. Our examination of the type species revealed that there is no significant difference either in external morphology or the structure of the gonopods between the species. Still, during examination of fresh specimens, we observed that the differences in the red coloration, seems to reflect only intraspecific variation.
Diagnosis
Erythrocricus sanguineostriatus (Schubart, 1962) resembles E. electrofasciatus (Schubart, 1957) comb. nov. by the shape of the anterior gonopod (Figs 2A, 5A) with a triangular sternite having the medial portion distally rounded and the anterior gonopod wider than long but differs by the telopodite of the anterior gonopod with a reduced lobe in posterior view (Fig. 2B), and the red coloration presented as a transverse red line on all metazonites, collum and telson (Fig. 1B, D–F) and a rounded process of the coxae of leg pair 3 of the male (Fig. 1C).
Material examined
Holotype
BRAZIL • 1 ♂; São Paulo, Presidente Epitácio; 52º06′56″ W, 21º45′48″ S; 22 January 1950, O. Schubart leg.; MZSP 2039.
Paratypes
BRAZIL • 1 ♂, 1 ♀; Goiás, Santa Helena de Goiás; 50°35′18″ W, 17°49′23″ S; Nov.1960, G.A. Oliveira leg.; MZSP 2114.
Other material
BRAZIL • 1 ♂; Goiás, Jataí; 51º42′52″ W, 17º52′53″ S; Jan. 1955; M. Carreira leg.; MZSP2038 • 1 ♀; Aragarças; 52º15′03″ W, 15º53′51″ S; 18 Jun. 1952; H. Sick leg.; MZSP1153 • 2 ♂♂, 1 ♀; Minaçu, Usina Hidrelétrica Serra da Mesa; 48º13′12″ W, 13º31′59″ S; 1–10 Oct. 1990; A.B. Bonaldo and L.A. Moura leg.; MCN406.
Redescription
Male (MCN 406)
MEASUREMENTS. With 52p+1a+T. Total length 55.0 mm, maximum width of midbody body rings 5.1 mm.
COLORATION (in 70% alcohol) (Fig. 1). Antennae and legs dark brown. Collum red with yellowish margins. Prozonites grey; metazonites in dorsal portion with transverse red line on all body rings, posterior margins whitish. Telson red.
HEAD AND BODY RINGS (Fig. 1). Antennae with numerous apical sensory cones. Collum rounded laterally. Tegument smooth, without setae. Ozopores starting from 6 th ring. Scobinae starting from 7 th ring, semicircular and small.
LEGS (Fig. 1C). Coxae of leg pairs 3–5 of male expanded into a process. Coxae of leg pair 3 rounded.
TELSON (Fig. F). Epiproct short, not extended over paraprocts. Hypoproct subtriangular.
GONOPODS (Fig. 2). Anterior gonopod wider than long, sternite triangular, medial portion with rounded apex. Sternite as long as coxite and shorter than telopodite (Fig. 2A). Coxite rounded, in posterior view with margins projected medially. Telopodite thickened with reduced distal lobe (Fig. 2B). Posterior gonopod distally bifid. External branch laminated and folded over solenomere. Solenomere long and thin (Fig. 2C).
Female (MCN 406)
Coloration (Fig. 3) as in male, with 52p+T. Total length 56.0 mm. Width 5.2 mm.
Distribution
Known from Presidente Epitácio, state of São Paulo, and Santa Helena de Goiás, Minaçu, Aragarças, state of Goiás.
description: Published as part of Rodrigues, Patrícia Elesbão Silva & Rodrigues, Everton Nei Lopes, 2021, Taxonomic review of the genus Erythrocricus Schubart, 1962 (Diplopoda, Spirobolida, Rhinocricidae), pp. 177-187 in European Journal of Taxonomy 748 on pages 179-183, DOI: 10.5852/ejt.2021.748.1353, http://zenodo.org/record/4770266