Semidysderina marta, 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 : 116

Semidysderina marta , new species Figures 853–860

TYPE: Female holotype taken in pitfall trap at an elevation of 5050 ft at Cerro Lagila, Sierra Nevada de Santa Marta, Magdalena, Colombia (Apr. 15–30, 1975; J. Kochalka), deposited in AMNH (PBI_OON 37107) .

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

DIAGNOSIS: Females have the atrium largely filled by the triangular base of the anterior genitalic process (figs. 858–860).

MALE: Unknown.

FEMALE (PBI_OON 37107, figs. 853– 860): Total length 1.91. Elevated portion of pars cephalica granulate. Chilum small, triangular. Sternum surface finely reticulate. Postepigastric scutum only around epigastric furrow. Leg spination: femora I, II p0-0-2, r0-1-1; tibiae: I v4-4-2, II v4-4-0; metatarsi: I v2-2-2, II v2-2- 1p. Both anterior and posterior margins of atrium rebordered; atrium triangular, containing wide triangular sclerotization; anterior genitalic process strongly sclerotized as base; apodemes oriented obliquely.

OTHER MATERIAL EXAMINED: Colombia: Magdalena: San Lorenzo, northern Sierra Nevada de Santa Marta , June 20, 1985, litter and moss, elev. 2200 m (H.-G. Müller, MHNG PBI_OON 883), 2♀ ; near San Lorenzo, northern Sierra Nevada de Santa Marta , Aug. 22, 1985, bamboo forest with litter and sphagnum, elev. 2250 m (H.-G. Müller, MHNG PBI_OON 882), 3♀ .

DISTRIBUTION: Known only from the Sierra Nevada de Santa Marta in northern Colombia.

Figures

Figs. 853–860. Semidysderina marta, new species, female. 853. Carapace, dorsal view. 854. Sternum and mouthparts, ventral view. 855. Abdomen, ventral view. 856. Carapace, anterior view. 857. Abdomen, lateral view. 858, 859. Epigastric region, ventral view. 860. Same, dorsal view.