Uaica mapia Rheims, 2025, gen. et sp. nov.

Uaica mapia gen. et sp. nov. urn:lsid:zoobank.org:act: BB6EB59D-C1C9-4790-A0CF-9C794310B87D Figs 10–11, 15 Diagnosis Males of Uaica mapia gen. et sp. nov. resemble those of U. uatuma gen. et sp. nov. (Figs 12C–E, 14AC) by the E slender, longer than C and arising from tegulum at 8:30 o’clock position (Figs 10D, 11B), but are distinguished by the RTA S-shaped in retrolateral view (Figs 10E, 11C) (straight and conical in U. uatuma) and by the E arising straight from the tegulum (Figs 10D, 11B) (arising from an indentation of the tegulum in U. uatuma). Females are unknown. Etymology The specific epithet refers to the type locality, the Mapiá River; noun in apposition. Type material Holotype BRAZIL – Amazonas State • ♂; Borba; Rio Mapiá; [4.4500º S, 59.3333º W]; 22 Apr. 1996; equipe IBSP/SMNK leg.; IBSP 8817. Paratypes BRAZIL – Amazonas State • 1 ♂; same data as for holotype; IBSP 60015 • 1 ♂; Coari; Trocaris; Comunidade Trocaris; 3.8980º S, 62.8670º W; 25 Sep. 2003, F. Rego et al. leg.; IBSP 270063 • 1 ♂; same data as for preceding; 3.8940º S, 62.8850º W; IBSP 270044. Other material examined BRAZIL • 3 juvs; same data as for holotype; IBSP 8817. Description Male (holotype) COLOR. Prosoma pale brownish orange slightly darker along thoracic striae; fovea dark brown; eye borders black. Chelicerae, legs and palps slightly lighter than prosoma. Labium pale brown, distally pale orange. Endites pale orange. Sternum pale yellow with pale brown margins. Opisthosoma brownish gray; dorsally with whitish marbled irregular marks around cardiac mark and posteriorly close to spinnerets; ventrally with wide gray band with two parallel lines of muscle impressions. Spinnerets cream colored (Fig. 10A–B). MEASUREMENTS. Total length 6.4. Prosoma: 2.7 long, 2.6 wide. Opisthosoma: 3.5 long, 1.6 wide. Eyes: diameters 0.24, 0.20, 0.16, 0.18; interdistances 0.12, 0.06, 0.30, 0.20, 0.12, 0.10. Legs (2143): I: 21.6 (5.7, 1.7, 6.3, 6.3, 1.6); II: 25.8 (6.8, 1.7, 7.7, 7.5, 2.1); III: 14.7 (4.2, 1.3, 4.1, 4.0, 1.1); IV: 18.0 (5.0, 1.3, 4.9, 5.4, 1.4). PALP. RTA almost 4 × as long as wide; sp running retrolaterally with slight medial indentation; C slightly over 4 × as long as wide, same width throughout; E tapering towards tip, longer than C (Figs 10C–E, 11). Female Unknown. Variation Four males: total length 6.4−7.3; prosoma length 2.7−3.4; femur I length 5.7−6.2. Distribution Known from the northeastern state of Amazonas (Fig. 15).