Zorocrates chiapa, PLATNICK & UBICK, 2007

PLATNICK, NORMAN I. & UBICK, DARRELL, 2007, A Revision of the Spider Genus Zorocrates Simon (Araneae, Zorocratidae), American Museum Novitates 3579, pp. 1-44 : 25-27

Zorocrates chiapa , new species figures 58–62 ; map 3

TYPE: Female holotype from a hillside 5 miles northeast of Chiapa , 16 ° 45 9 N, 92 ° 58 9 W, Chiapas, Mexico (Aug. 26, 1966; J., W. Ivie), deposited in AMNH .

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

DIAGNOSIS: Males and females have not been collected together and are only tentatively matched here; males can easily be recognized by their trifid, only lightly sclerotized median apophysis and the bifid tip of the tegular apophysis ( figs. 58–60 ), females by the protuberant anterior epigynal margin overlying an anteromedian depression ( fig. 61 ).

MALE: Total length 12. Coloration as in Z. fuscus except abdominal dorsum with median longitudinal pale stripe formed of fused

60. Same, retrolateral view. 61. Epigynum, ventral view. 62. Same, dorsal view.

chevrons. Leg spination: femora: I p0-0-2; II p0-1-1; IV p2-2-1, r0-0-2; patellae IV r0-1-0; tibiae: I d0-0-0, p1-1-1, v4-2-2; II d0-0-0, p1-1- 1, v4-2-2, r1-0-1; III r1-0-1; IV d1-1-1; metatarsi: I p1-1-1, v2-2-2. Cribellum present. Retrolateral tibial apophysis small, abruptly bent at about half its length; median apophysis almost hyaline, with three prongs; tegular apophysis distally bifid ( figs. 58–60 ).

FEMALE: Total length 17. Coloration as in male. Leg spination: femora: I p0-0-2, r0-1-1; II p0-1-2, r1-0-0; IV p2-0-1, r0-0-1; patellae IV r0-1-0; tibiae: I, II d0-0-0, p1-0-1, v4-2-2, r0-0- 0; III r1-0-1; IV d1-1-1; metatarsi: I p0-0-0, v2- 2-2, r0-0-0; II p0-0-1, r0-0-0. Cribellum present. Anterior epigynal margin protuberant, elevated over anteromedian depression; spermathecae with anterior, medially directed blind lobes ( figs. 61, 62 ).

OTHER MATERIAL EXAMINED: MEXICO: Chiapas: 15 mi NW Arriaga , 16 ° 25 9 N, 94 ° 01 9 W, Aug. 27, 1966 (J., W. Ivie, AMNH), 2♀ ; Parque Nacional Sumidero , June 1, 1990, elev. 1000 m (H., A. Howden, AMNH), 33; Tuxtla Gutiérrez, Oct. 1, 1984 (J. Welch, CJC), 1♀ .

DISTRIBUTION: Known only from Chiapas, Mexico (map 3).

Figures

Figs. 58–62. Zorocrates chiapa, new species. 58. Left male palp, prolateral view. 59. Same, ventral view.