Pseudonannolene erikae Iniesta & Ferreira, 2014

Iniesta, Luiz Felipe Moretti, Bouzan, Rodrigo Salvador & Brescovit, Antonio Domingos, 2023, A reassessment of the Neotropical genus Pseudonannolene Silvestri, 1895: cladistic analysis, biogeography, and taxonomic review (Spirostreptida: Pseudonannolenidae), European Journal of Taxonomy 867 (1), pp. 1-312 : 36-37

Pseudonannolene erikae Iniesta & Ferreira, 2014

Figs 30F , 37 , 66–67 , 163F , 168B , 177H , 182 ; Supp. file 4: Figs 192C, 197a, 214E

Pseudonannolene erikae Iniesta & Ferreira, 2014: 377 , fig. 11.

Pseudonannolene erikae – Gallo & Bichuette 2019: 47.

Diagnosis

Males of P. erikae resemble those of P. mesai , P. bucculenta sp. nov., and P. curvata sp. nov. by having a mesally curving telopodite ( Fig. 67D ), but differing by the presence of a large and hexagonal-shaped process on the first leg-pair ( Fig. 67A ).

Etymology

Patronym honoring the collector Dr Erika Taylor ( Iniesta & Ferreira 2014).

Material examined

Holotype BRAZIL • ♂; Minas Gerais, Sete Lagoas, cave Rei do Mato ; [-19.495666, -44.282498]; 4 Nov. 2011; R.L. Ferreira, L.F.M. Iniesta, A. Vasconcelos, P. Ratton and M. Souza-Silva leg.; ISLA 4107 .

Paratypes (total: 1 ♂, 1 ♀) BRAZIL • 1 ♂; same collection data as for holotype; ISLA 4108 • 1 ♀; same collection data as for holotype; ISLA 4109 .

Other material (total: 13 ♂♂, 12 ♀♀, 2 immatures)

BRAZIL – Minas Gerais • 1 ♂, 5 ♀♀; Prudente de Morais, Fazenda Sapé ; [-19.474888, -44.159215]; 759 m a.s.l.; 8 Dec. 2005; E.S.S. Álvares leg.; IBSP 3331 • 1 ♂; São José da Lapa ; [-19.699209, -43.958311]; 732 m a.s.l.; 17–21 Dec. 2012; Bueno et al. leg.; IBSP 7601 • 1 ♀; same collection data as for preceding; IBSP 7602 • 2 ♂♂; same collection data as for preceding; IBSP 7603 • 1 ♀; same collection data as for preceding; IBSP 7604 • 1 ♀; same collection data as for preceding; IBSP 7605 • 1 immature; same collection data as for preceding; IBSP 7606 • 1 ♂; same collection data as for preceding; IBSP 7607 • 1 ♂, 1 ♀ immature; same collection data as for preceding; IBSP 7608 • 1 ♀; same collection data as for preceding; IBSP 7609 • 1 ♀; same collection data as for preceding; IBSP 7610 • 1 ♀; same collection data as for preceding; IBSP 7611 • 1 ♂, 1 ♀; same collection data as for preceding; IBSP 7612 • 3 ♂♂; same collection data as for preceding; IBSP 7613 • 1 ♂; Pedro Leopoldo, Campinho , cave CAMP 054; [-19.570000, -44.010291]; 826 m a.s.l.; 3–21 Nov. 2014; Equipe Spelayon leg.; IBSP 5984 • 1 ♂; cave CAMP_056; [-19.570189, -44.010147]; IBSP 5980 • 1 ♂; Matozinhos, CRH-MTZ, cave Vaca Tonta ; [-19.566664, -44.078790]; 793 m a.s.l.; 4 Jan. 2018; Equipe Spelayon leg.; IBSP 7467 .

Descriptive notes

MEASUREMENTS. 61 body rings (2 apodous + telson). Males: body length 52–55 mm; maximum midbody diameter 3–3.5 mm. Females: body length 50–55 mm; maximum midbody diameter 3.3–3.5 mm.

COLOR. Body color brownish grey; head, collum, and antennae darker grey; prozonites greyish anteriorly; metazonites with a lighter posterior band; legs brownish.

HEAD. Antennae long ( Fig. 163F ), just reaching back to end of ring 6 when extended dorsally; antennomeres elongated; relative antennomere lengths 1<2<3>4>5≈6>7. Mandibular cardo with ventral margin narrow. Ommatidial cluster well-developed, elliptical; ca 32 ommatidia in 5 rows.

BODY RINGS. Collum with lateral lobes broadly rounded, with ca 5 striae, strongly curved ectad ( Fig. 66A ). Very faintly constricted between prozonite and metazonite; prozonites smooth; metazonites laterally with transverse striae slightly above ozopore in anterior body rings. Anterior sterna in midbody rings subrectangular, without transverse striae ( Fig. 168B ).

FIRST LEG-PAIR OF MALES. Coxae (cx) elongated (as long as the sum of remaining podomere lengths), subtriangular, with the base arched, densely setose ( Fig. 67A ); prefemoral process (prf) large, curved mesad, and projected laterally, densely setose along its entire extension ( Fig. 67B ); remaining podomeres with setae along the mesal region.

SECOND LEG-PAIR OF MALES. Coxa (cx) rounded; penis (pn) located at proximal region, rounded, not extended basally ( Fig. 67C ); prefemur slightly compressed dorsoventrally; remaining podomeres setose, with long setae mesally.

GONOPODS. Gonocoxa (gcx) elongated, but less than twice the length of telopodite, with the base slightly arched; flattened antero-posteriorly ( Fig. 67D–F ); with rows of papillae mesally. Seminal groove (sg) curved; running mesally and terminating apically on the seminal apophysis (sa). Shoulder (sh) rounded. Telopodite (tp) almost as wide as gcx ( Fig. 67D ), strongly curved mesad; solenomere (sl) with apicomesal process (amp) subtriangular; ectal process absent; sa located at mesal portion, slightly visible apically. Internal branch (ib) shovel-shaped, narrow; ib with setae along its entire margin slightly exceeding apically seminal region of sl ( Fig. 67D–F ).

VULVAE. As typical for the genus. Bursa subtriangular, glabrous ( Fig. 177H ); internal valve subtriangular, with mesal region rounded; operculum narrow, curved ectad; external valve wide, subtriangular.

Distribution

The species occurs in limestone caves and surrounding forests from the south region of the Karst province of the Bambuí Group, Minas Gerais State, Brazil ( Fig. 182 ).

Figures

Fig. 30. SEM images of first leg-pair of males. A. Pseudonannolene caatinga Iniesta & Ferreira, 2014 (IBSP 2180). B. P. microzoporus Mauriès, 1987 (IBSP 3526), detail of prefemoral process of P. caatinga (IBSP 2180). C. P. halophila (IBSP 1091). D. P. rolamossa Iniesta & Ferreira, 2013 (IBSP 7772). E. P. maritima Schubart, 1949 (IBSP 979). F. P. erikae Iniesta & Ferreira, 2014 (IBSP 7607). Scale bars: A, C–D = 0.5 mm; B = 0.3 mm; E = 0.2 mm; F = 0.3 mm.

Fig. 37. SEM images of anterior body rings of males of Pseudonannolene erikae Iniesta & Ferreira, 2014 (IBSP 7607). A–B. Ventral view. C. Transversal view.D. Detail of seventh body ring with gonopod aperture. Scale bars: A, C–D = 1 mm; B = 0.2 mm.

Fig. 66. Pseudonannolene erikae Iniesta & Ferreira, 2014, ♀ (IBSP 3331), in lateral view. A. Anterior region. B. Posterior region. Scale bars = 1 mm.

Fig. 67. Pseudonannolene erikae Iniesta & Ferreira, 2014, ♂ (IBSP 3331). A. First leg-pair. B. Detail of prefemur. C. Second leg-pair. D. Detail of telopodites, in anal view. E. Gonopods, in anal view. F. Gonopods, in oral view. Abbreviations: see Material and methods. Scale bars: A, E–F = 0.5 mm; B–D = 0.2 mm.

Fig. 163. Stereoscopic images of antennae of species ofPseudonannolene Silvestri, 1895.A. P. albiventris Schubart, 1952. B. P. anapophysis Fontanetti, 1996. C. P. alata sp. nov. D. P. buhrnheimi Schubart, 1960. E. P. caatinga Iniesta & Ferreira, 2014. F. P. erikae Iniesta & Ferreira, 2014. G. P. fontanettiae Iniesta & Ferreira, 2014. H. P. halophila Schubart, 1949. I. P. inops Brölemann, 1929. J. P. leopoldoi Iniesta & Ferreira, 2014. K. P. longicornis (Porat, 1888). L. P. magna Udulutsch & Pietrobon, 2003. M. P. maritima Schubart, 1949. N. P. mesai Fontanetti, 2000. O. P. microzoporus Mauriès, 1987. Images not to scale.

Fig. 168. Stereoscopic images of gnathochilarium and anterior sternum of species of Pseudonannolene Silvestri, 1895. A. P. curtipes Schubart, 1960. B. P. erikae Iniesta & Ferreira, 2014. C. P. fontanettiae Iniesta & Ferreira, 2014. D. P. callipyge Brölemann, 1902. E. P. halophila Schubart, 1949. Images not to scale.

Fig. 177. Stereoscopic images of left vulva of species of Pseudonannolene Silvestri, 1895, in oral view. A. P. albiventris Schubart, 1952. B. P. alegrensis Silvestri, 1897. C. P. ambuatinga Iniesta & Ferreira, 2013. D. P. anapophysis Fontanetti, 1996. E. P. buhrnheimi Schubart, 1960. F. P. caatinga Iniesta & Ferreira, 2014. G. P. callipyge Brölemann, 1902. H. P. erikae Iniesta & Ferreira, 2014. I. P. fontanettiae Iniesta & Ferreira, 2014. J. P. halophila Schubart, 1949. K. P. imbirensis Fontanetti, 1996. L. P. inops Brölemann, 1929. M. P. leucocephalus Schubart, 1944. N. P. longicornis (Porat, 1888). O. P. lundi Iniesta & Ferreira, 2015. Images not to scale.

Fig. 182. Distribution map of the species Pseudonannolene caulleryi Brölemann, 1929, P. centralis Silvestri, 1902,P. curtipes Schubart, 1960, P. erikae Iniesta & Ferreira, 2014 and P. fontanettiae Iniesta & Ferreira, 2014.