Sparianthis iguaque, Casas & Rheims, 2024

Casas, Cristian M. & Rheims, Cristina A., 2024, An update on the genus Sparianthis Simon, 1880 (Sparassidae: Sparianthinae), Zootaxa 5496 (3), pp. 343-369 : 353-355

Sparianthis iguaque spec. nov

Figs 8A–E , 9A–D , 20

Type Material: Holotype: ♂, COLOMBIA: Boyacá: Villa de Leyva, Santuario de Fauna y Flora Iguaque , Robledal (05°39’9.33”N, 73°29’33.05”W), 2850 m, January 2004. ( MPUJ _ ENT0070585 ).

Etymology. The specific name refers to the type locality; noun in apposition.

Diagnosis. Males of S. iguaque spec. nov. resemble those of S. chicaque spec. nov. ( Figs. 5C–E , 7A–C ) and S. medina spec. nov. ( Figs 12C–E , 14A–D ) by the palps with tibia lacking mRTA and TBE bearing a long apical projection, accompanying the embolus throughout most its length. They are distinguished from both species by the TBE with a thumb-like subapical projection and by the apical projection laminar shaped like a bowie knife blade, with rounded tip ( Figs 8D , 9B, D ) (apical projection pointed with a hyaline, fan-like projection in S. chicaque spec. nov. and laminar, subapically dilated and apically hook-shaped in S. medina spec. nov.). Females are unknown.

Description. Male (holotype): Prosoma pale ochre with faded U-shaped central stripe, irregular dark brown spot near the cephalic margin, and long irregular stripe on the posterior margin; fovea and thoracic striae brown; eye borders black; chelicerae ochre with two dark parallel lines; legs pale ochre with several thick dark brown longitudinal bands on tibiae and metatarsi, lighter femora; labium brown, whitish brown in the anterior middle; endites pale brown, whitish brown anteriorly; sternum pale brown, darker lateral margins; opisthosoma yellowish gray, with four longitudinal bands in anterior half consisting of several contiguous spots of different length, two lateral (consisting of one large and three small) and two central (consisting of five small), and 4 chevrons in posterior half; laterally with indistinct pattern of longitudinal and contiguous brown spots; ventrally with indistinct pattern of spots; spinnerets brownish yellow, lighter in ventral view ( Figs 8A–B ). Total length 7.09. Prosoma: 3.39 long, 2.95 wide. Opisthosoma: 3.56 long, 2.26 wide. Eyes: diameters: 0.20, 0.17, 0.17, 0.18; interdistances: 0.52, 0.46, 0.55, 0.54, 0.48, 0.38. Legs (2143): I: 10.71 (3.07, 1.49, 3.13, 2.73, 0.96); II: 11.12 (3.29, 1.57, 3.11, 2.82, 0.95); III: 8.82 (2.80, 1.15, 2.35, 2.17, 0.86); IV: 10.82(2.97, 1.30, 2.73, 3.05, 0.95). Spination follows the generic pattern except: femur I: p1-0-1, r1-0-1; tibia IV: d1-0-1, v2-2-0; metatarsus I: p1-0-0, r1-0-0. Palp: tibia short, slightly longer than half cymbium length, with three long prolateral spines (tips reaching the margin of the alveolus); dRTA broad at base, with distal end curved ventrally; vRTA concave, finger-shaped in ventral view; subtegulum visible between 3:30–4:00 o’clock; TBC keel-like, four times wider than long; MA cup-shaped, partly hyaline with slightly medially indented margin (best seen in retrolateral view); embolus laminar, distally bifid with two pointed tips ( Figs 8C–E , 9A–D ).

Female: Unknown.

Distribution. Only known from the type locality ( Fig. 20 ).

Figures

FIGURES 5A–E. Sparianthis chicaque spec. nov., male (ICN-Ar-13557). A–B Habitus (A dorsal, B ventral); C–D Left palp (C prolateral, D ventral, E retrolateral). Scale lines: A–B = 2 mm; C–E = 0.5 mm.

FIGURES 7A–G. S. chicaque spec. nov. A–D Male (ICN-Ar-13557), left palp (A prolateral, B ventral, C retrolateral, D detail of apical projection and embolus); E–G Female (ICN-Ar-13558), genitalia (E epigyne ventral, F vulva dorsal, G schematic course of IDS). AA = anterior atrium; af = anterior furrow; ap = apical projection of TBE; C = conductor; E = embolus; FD = fertilization duct; fw = first winding of IDS; GP = glandular projection; lf = lateral furrow; LL = lateral lobe; MS = median septum; SP = spermathecae. Scale lines: A–C, E–F = 0.5 mm; D = 0.25 mm.

FIGURES 8A–E. Sparianthis iguaque spec. nov., male (MPUJ_ENT0070585). A–B Habitus (A dorsal, B ventral); C–E Left palp (C prolateral, D ventral, E retrolateral). Scale lines: A–B = 2 mm; C–E = 0.5 mm.

FIGURES 9A–D. Sparianthis iguaque spec. nov., male (MPUJ_ENT0070585), left palp (A prolateral, B ventral, C retrolateral, D detail of apical projection and embolus). ap = apical projection of TBE; C = conductor; dRTA = dorsal branch of RTA; E = embolus; MA = median apophysis; sap = subapical projection of TBE; TBC = tegular projection close to conductor; TBE = tegular projection close to embolus; vRTA = ventral branch of RTA. Scale lines: A–C = 0.5 mm, D = 0.25 mm.

FIGURES 12A–E. Sparianthis medina spec. nov., male (MPUJ_ENT0070573). A–B Habitus (A dorsal, B ventral); C–E Left palp (C prolateral, D ventral; E retrolateral). Scale lines: A–B = 2 mm; C–E = 0.5 mm.

FIGURES 14A–G. Sparianthis medina spec. nov. A–D Male (MPUJ_ENT0070573), left palp (A prolateral, B ventral, C retrolateral, D detail of apical projection and embolus); E–G Female (MPUJ_ENT0087073), genitalia (E epigyne ventral, F vulva dorsal, G schematic course of IDS). AA = anterior atrium; af = anterior furrow; ap = apical projection of TBE; C = conductor; dRTA = dorsal Branch of RTA; E = embolus; FD = fertilization duct; fw = first winding of IDS; GP = glandular projection; lf = lateral furrow; LL = lateral lobe; MA = median apophysis; MS = median septum; SP = spermathecae; ST = subtegulum; TBC = tegular projection close to conductor; TBE = tegular projection close to embolus; vRTA = ventral branch of RTA. Scale lines: A–C, E–F = 0.5 mm; D = 0.25 mm.

FIGURE 20. Record map for S. boibumba spec. nov., S. cascalheira spec. nov., S. chicaque spec. nov., S. iguaque spec. nov., S. matupiri spec. nov., S. medina spec. nov. and S. tuparro spec. nov.