Nops pocone Sánchez-Ruiz & Brescovit 2018, new species

Nops pocone new species

Figures 67A‒G; 68A‒L

Types. Male holotype from Poconé (16°15′25″S, 56°37′22″W), Mato Grosso, Brazil, xi.2010 ‒ viii.2011, E. Meurer, deposited in IBSP 212811. Male and female paratypes, same data as holotype, deposited in IBSP 212812.

Additional material examined. BRAZIL: Mato Grosso: Poconé (16°15′25″S, 56°37′22″W), xi.2010 – viii.2011, E. Meurer, 1♂ 1♀ (IBSP 212813; 212816). Ditto, 1♂ 1♀ (IBSP 212820). Ditto, 1♂ (IBSP 212814). Ditto, 1♂ 5♀ (IBSP 212815; 212817‒212819). Campo Verde (15°34′0″S, 55°10′8″W), Fazenda Mourao, 28.vi.2004, E.P. Silva, 1♀ (IBSP 56219). Mato Grosso do Sul: Corumbá, Passo de Lontra, (19°57′54″S, 57°03′ 72″W), Subregiones Miranda e Abobral, vi.1998 – xi.1999, J. Raizer, 1♂ (palp for SEM) (IBSP 121596); 1 immature (IBSP 1 21589); 1♂ (IBSP 121594); 1♀ (IBSP 121599); 1♀ (IBSP 121608); 10♂ 7♀ (IBSP 212799‒212810).

Etymology. The specific name is a noun in apposition derived from the type locality.

Diagnosis. Both sexes resemble the similar congeners N. sublaevis, N. meridionalis and N. minas, which have a similar abdominal pattern as in figure 6I and the posterior unpaired claws small (Fig. 5C), but can be distinguished by the PLS of equal size as PMS.

Description. Male (holotype): Carapace orange (Fig. 67A). Chelicerae, labium, and legs yellowish orange, coxae and trochanters lighter. Endites and sternum yellowish orange. Abdomen light gray, dorsal pattern as in figure 6I, lighter ventrally. Anal tubercle and spinnerets light gray. Total length 8.9. Carapace 5.3 long, 3.25 wide. Sternum 4.7 long, 3.0 wide. Leg measurements: I: 3.8; II: 3.75; III: 3.3; IV: 3.95. Posterior unpaired claws small, as in other three‒clawed spiders (Figs 5C). PLS of equal size as PMS. Palp with straight embolus, shorter than palpal tibia (Figs 67B‒D; 68E); embolar tip with a wide cut on prolateral side and two short extensions (Fig. 68G‒H).

Female (paratype): Carapace, chelicerae, labium, coxae, legs, endites and sternum as in male. Abdomen as in male (Fig. 67E). Anal tubercle and spinnerets whitish yellow. Total length 9.2. Carapace 5.5 long, 3.35 wide. Sternum 4.9 long, 3.4 wide. Leg measurements: I: 3.9; II: 3.8; III: 3.5; IV: 4.05. Posterior unpaired claws and PLS as in male. External genital area with weakly sclerotized anterior plate, strongly sclerotized lep and remarkable ess (Fig. 67F). Internal genitalia without invagination on receptaculum and uterus externus with narrow base (Figs 67G; 68J‒L).

Distribution. Known from the Brazilian States of Mato Grosso and Mato Grosso do Sul (Fig. 69A).