Nopsma nauta, Villarreal-Blanco & Martínez & Eyes-Escalante, 2025

Nopsma nauta sp. nov.

urn:lsid:zoobank.org:act:77EC6745-0637-4547-82B3-59A26F8A165F

Figs 4 View Fig , 6A–B View Fig , 9C–D View Fig , 10 View Fig

Diagnosis

Nospsma nauta sp. nov. is similar to N. leticia by having an oval tegulum with an embolus almost as long as the palpal tibia but can be distinguished by the very elongated cymbium more than 5 × as long as wide (3.2 × as long as width in N. leticia ) and the elongated small oval tegulum only as 1 /6 the length of the cymbium (¼ of length of the cymbium in N. leticia ) ( Sánchez-Ruiz et al. 2021: 385, fig. 2c–d; Fig. 4E–G View Fig ).

Etymology

The specific epithet is a noun in apposition taken from the type locality.

Type material

Holotype

PERU • ♂; Loreto Department, km 25 road to Nauta ; May 2005; A. Catenazzi leg.; MUSM-ENT 0506879 .

Description

Male (holotype (MUSM-ENT 0507101))

COLORATION ( Fig. 4A–D View Fig ). Carapace orange-brownish with remarkable dorsal pattern form by several black dots. Chelicerae, endites and labium light orange, sternum orange-brownish, lighter in edges. Legs orange. Abdomen dorsally dark gray, without noticeable pattern ( Fig. 4A View Fig ). Ventrally gray darker close to spinnerets. Spinnerets yellow.

MEASUREMENTS. Total length 4.33, carapace length 1.94, width 1.64, height 0.54. Clypeus height 0.35. Eye diameters and interdistances: PME 0.22, PME–PME 0.45. Chelicerae length 0.57. Sternum length 1.26, width 1.11. Legs: I: 6.78; II: 6.17; III: 5.90; IV: 7.92. Abdomen length 2.32.

PALP. Cymbium very long, 2 × as long as palpal tibia; tegulum oval, slightly longer than width, embolus almost as long as palpal tibia, with membranous keel in distal third ( Figs 4E–G View Fig , 6A–B View Fig , 9C–D View Fig ).

Female

Unknown.

Distribution

Known only for the type locality in Amazonas, Peru ( Fig. 10 View Fig ).