Meri tapirapeco, Rheims & Jäger, 2022

Rheims, Cristina A. & Jäger, Peter, 2022, Revalidation of the genus Sadala Simon, 1880 with the description of a new genus of Neotropical huntsman spiders (Araneae, Sparassidae), Zootaxa 5135 (1), pp. 1-80 : 63-64

Meri tapirapeco sp. nov.

Figs 257–259 , 263–264 , 317

Type material. Holotype: BRAZIL: Amazonas : ♀, Barcelos [1.1833, ‑64.9667], Serra do Tapirapecó, 2 October 2006, A.A. Nogueira leg. ( INPA).

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

Diagnosis. Females of M. tapirapeco spec. nov. resemble those of M. sanctivincenti comb. nov. ( Figs 250–252 ) and M. zeteki spec. nov. ( Figs 309–311 ) by the epigyne with EP opening medially on MS. They are distinguished from both species by the MS wider than long ( Fig. 257 ) and internal ducts with FW U-shaped and laterad ( Figs 258–259 ) (MS as long as wide and FW sinuous and posteriad in M. sanctivincenti comb. nov.; EP longer than wide and FW postero laterad in M. zeteki spec. nov.).

Description. Female (holotype): Total length 10.8. Prosoma 3.9 long, 3.7 wide. Opisthosoma 6.5 long, 4.1 wide. Eyes: diameters: 0.34, 0.25, 0.19, 0.23; interdistances: 0.25, 0.20, 0.48, 0.41, 0.25, 0.19. Legs: I: 19.4 (5.3, 2.1, 5.2, 5.3, 1.5); II: 20.3 (5.7, 2.2, 5.5, 5.4, 1.5); III: 14.4 (4.3, 1.6, 3.7, 3.5, 1.3); IV: 16.1 (4.6, 1.5, 4.2, 4.4, 1.4). Spination follows the generic pattern. Epigyne: EF wider than long, MAB short and narrow; MS drop-shaped, with lateral margins gently converging anteriorly; LL almost touching posteriorly ( Fig. 257 ). Vulva: GP slightly longer than wide, mediad, arising from ducts at first turn; SP irregular-shaped, with folds; FD antero laterad ( Figs 251–252 , 256–257 ).

Male: Unknown.

Distribution. Only known from the type locality ( Fig. 317 ).

Figures

FIGURES 253–259. 253–256 Meri tambor spec. nov., male (INPA 3522), left palp (253 prolateral, 254 ventral, 255 retrolateral, 256 detail of embolus); 257–259 Meri tapirapeco spec. nov., female (INPA) (257 epigyne, 258 vulva, 259 schematic course of internal duct system). C—conductor; E—embolus; EP— epigynal pocket; FD—fertilization duct; ft—first turn of duct system; GP—glandular projection; LL—lateral lobe; MS—median septum; PTA—prolateral tibial apophysis; RpP—retro proximal projection; RTA—retrolateral tibial projection; SdP—subdistal projection; SP—spermathecae; tp—tegular protrusion. Scale lines: 1 mm.

FIGURES 260–264. 260–262 Meri tambor spec. nov., male (INPA 3522, holotype), left palp (260 prolateral, 261 ventral, 262 retrolateral); 263–264 Meri tapirapeco spec. nov., female (INPA, holotype) (263 epigyne, 264 vulva). Scale lines: 1 mm.

FIGURES 315–318. Distribution maps for species of Meri gen. nov. 315 (M. martinique spec. nov., M. sanctivincenti (Simon) comb. nov., M. trinitatis (Strand) comb. nov., M. carabobo spec. nov., M. kaieteur spec. nov.); 316 (M. jaraua spec. nov., M. arraijan spec. nov., M. formosus (Banks) comb. nov., M. guri spec. nov., M. tumatumari spec. nov.); 317 (M. zeteki spec. nov., M. manaos spec. nov., M. yaciba spec. nov., M. tapirapeco spec. nov., M. abuna spec. nov.); 318 (M. mathani (Simon) comb. nov., M. pictitarsis (Simon) comb. nov., M. conduri spec. nov., M. paiaia spec. nov., M. tambor spec. nov.);

FIGURES 250–252. Meri sanctivincenti (Simon) comb. nov., female (250 epigyne, 251 vulva, 252 schematic course of internal duct system). EP—epigynal pocket; ft—first turn of duct system; FD—fertilization duct; GP—glandular projection; LL—lateral lobe; MS—median septum; SP—spermathecae. Scale line: 1 mm. Modified from Jäger 2020 (94: figs 349–351).

FIGURES 309–311. Meri zeteki spec. nov. female (MCZ 99617, holotype) (309 epigyne, 310 vulva, 311 schematic course of internal duct system). ag—anterior groove; EP—epigynal pocket; FD—fertilization duct; ft—first turn of duct system; GP— glandular projection; LL—lateral lobe; MS—median septum; SP—spermathecae. Scale lines: 1 mm.