Paradysderina lefty, 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 : 73-75

Paradysderina lefty , new species Figures 529–543

TYPE: Male holotype collected by hand from cloud forest litter taken at an elevation of 2150 m at a site 21 km north of Tandapi , on the main road from Tandapi to Quito, 0 ° 27920.30S, 77 ° 45915.50W, Pichincha, Ecuador (Dec. 7, 2009; N. Dupérre´, E. Tapia, Niarchos Exped. ), deposited in QCAZ (PBI_OON 600) .

ETYMOLOGY: The specific name is an arbitrary combination of letters.

DIAGNOSIS: Males can easily be recognized by their highly asymmetrical palps; the left palp is three times the size of the right one, and there are differences in the shape of the embolar tip as well (figs. 532–537); the single female here tentatively matched with the male resembles those of P. fusiscuta but lacks any remnant of a dorsal abdominal scutum and has an asymmetrical genitalic atrium (figs. 542, 543) that is probably teratological but differs clearly in having conspicuous apodemes. The female differs from the male in that the elevated portion of the pars cephalica appears reticulate, rather than granulate, and may therefore be mismatched with the male.

MALE (PBI_OON 600, figs. 529–537): Total length 1.98. Elevated portion of pars cephalica granulate. Chilum tiny, triangular. Paturon with short, ventrally situated, dorsally directed, heavily sclerotized spine. Endites with ventral, dorsal processes short, widely separated at base. Leg spination: femur I p0-0-1; tibiae I, II v4-4-0; metatarsi: I v2-2-1p, II v2-2-0. Left bulb more than three times size of right bulb; embolus with three distal projections.

FEMALE (PBI_OON 30605, figs. 538– 543): Total length 1.61. Elevated portion of pars cephalica appears reticulate. Postepigastric scutum only around epigastric furrow, fused to epigastric scutum. Leg spination: femora: I p0-0-2, II p0-0-1; tibiae I, II v4-4-

1p; metatarsi I, II v2-2- 1p. Atrium asymmetrical, possibly teratological; apodemes conspicuous.

OTHER MATERIAL EXAMINED: Ecuador: Pichincha: Hosteria Shishink, 5.5 km from Puerto Rico, 0.05609 ° N, 79.20596 ° W, Dec. 8, 2009, dead leaves, elev. 375 m (M. Ramírez, Niarchos Exped., MACN PBI _OON 30605), 1♀.

DISTRIBUTION: Ecuador (Pichincha).

Figures

Figs. 529–537. Paradysderina lefty, new species, male. 529. Carapace, dorsal view. 530. Same, anterior view. 531. Sternum and mouthparts, ventral view. 532. Left palp, prolateral view. 533. Same, ventral view. 534. Same, retrolateral view. 535. Right palp, prolateral view. 536. Same, ventral view. 537. Same, retrolateral view.

Figs. 538–543. Paradysderina lefty, new species, female. 538. Carapace, anterior view. 539. Abdomen, lateral view. 540. Same, ventral view. 541, 542. Epigastric region, ventral view. 543. Same, dorsal view.