Paradysderina yasua, Platnick & Dupérré, 2011

Platnick, Norman I. & Dupérré, Nadine, 2011, The Andean Goblin Spiders Of The New Genera Paradysderina And Semidysderina (Araneae, Oonopidae), Bulletin of the American Museum of Natural History 2011 (364), pp. 1-121 : 51-55

Paradysderina yasua , new species Figures 370–377

TYPE: Male holotype taken under bark at the Yasua Indian village , at the headwaters of the Río Loreto Yacú, Loreto, Peru (Apr. 30, 1970; B. Malkin), deposited in FMNH (33574, PBI_OON 10081) .

ETYMOLOGY: The specific name is a noun in apposition taken from the type locality.

DIAGNOSIS: Males can be recognized by the spines originating in the soft cuticle between the chelicerae (fig. 371) and the elaborate shape of the embolus (figs. 374– 377).

MALE (PBI_OON 10081, figs. 370–377): Total length 1.68. Elevated portion of pars cephalica appears reticulate. Chilum medium sized, triangular. Anterolateral ledge on paturon with tiny, dark tubercle at ventral end of inner surface; soft cuticle between chelicerae bearing pair of small, heavily sclerotized, ventrally directed spines. Endites with ventral process wide, short, tip directed

anteriorly, dorsal process narrow, short, tip directed medially. Leg spination: femur I p0- 0-1; tibiae: I v4-4-0, II v4-2-0; metatarsi: I v2- 2-0, II v2-0-2. Palps symmetrical; embolus ventral flange forming functional conductor to narrow dorsal flange.

FEMALE: Unknown.

OTHER MATERIAL EXAMINED: None.

DISTRIBUTION: Peru (Loreto).

Figures

Figs. 370–377. Paradysderina yasua, new species, male. 370. Carapace, dorsal view. 371. Same, anterior view. 372. Sternum, ventral view. 373. Mouthparts, ventral view. 374. Left embolus, ventral view. 375. Left palp, prolateral view. 376. Same, ventral view. 377. Same, retrolateral view.