Oonopoides kaplanae, new species

Figures 148–158

TYPES: Male holotype and female allotype from seasonal forest litter taken at an elevation of 20 m at a site 2 km east of Chichén-Itzá, Yucatán, Mexico (July 20, 1983; S., J. Peck), deposited in AMNH (PBI_OON 31146) .

ETYMOLOGY: The specific name is a patronym in honor of Helene Kaplan, in recognition of her service to the American Museum of Natural History, on the occasion of her 80th birthday.

DIAGNOSIS: The male embolus has a widened base, with the tip abruptly narrowed and recurved (figs. 154, 155); females have a tripartite anterior receptaculum, with a narrow base, somewhat widened medial portion, and widened tip (figs. 157, 158).

MALE (PBI_OON 31146, figs. 148–156): Total length 1.58. Posterior eye row procurved from front; ALE separated by their radius to diameter. Endites distally not excavated, with single, strongly protuberant anteromedian ledge, posteromedian protuberant knob. Postepigastric scutum present. Leg spination: femora: III d0-0-1; IV d1-0-1; tibiae: III p1-0-1, v0-1p-2, r0-0-1; IV d0-1-0, p1-0-1, v1r-0-2, r1-0-1; metatarsi: III v0-2-2, r0-0-1; IV p1-0-1, v0-0-2, r1-0-1. Embolus with basal projection short, narrow, embolus much longer than conductor.

FEMALE (PBI_OON 31146, figs. 157, 158): Total length 1.92. Posterior eye row straight from front; ALE separated by more than their diameter. Leg spination: femora III, IV d0-0-1; tibiae: III p0-0-1, v0-1p-1p, r0-0-1; IV d0-1-0, p1-0-1, r1-0-1; metatarsi: III v0-1p-2, r0-0-1; IV p1-0-1, v0-2-2, r0-1-1. Tip of anterior receptaculum ovoid, much wider than stalk, anterior portion of posterior receptaculum M-shaped, heavily sclerotized medially.

OTHER MATERIAL EXAMINED: MEXICO: Yucatán: Chichén-Itzá, June 27, 1951 (L. Stannard, AMNH PBI_OON 1048), 1♀ .

DISTRIBUTION: Southeastern Mexico (Yucatán).