Oonopoides pallidulus (Chickering), new combination
Figures 192–202
Oonopinus pallidulus Chickering, 1951: 222, figs. 10, 11 (female holotype from Canal Zone Biological Area [= Isla Barro Colorado], Panamá, Panama, in MCZ; examined).
Oonops pallidulus: Chickering, 1970: 496, figs. 12, 13.
Oonops tenebus Chickering, 1970: 509, figs. 43–46 (male holotype from Forest Preserve, Panamá, Panama, in MCZ; examined). NEW SYNONYMY.
Oonops donaldi (misidentification): Chickering, 1970: 499 (one female from Isla Barro Colorado, Panamá, Panama only).
Oonops anoxus (misidentification): Chickering, 1970: 502 (specimens listed from sites other than Isla Barro Colorado and Boquete, Panama).
DIAGNOSIS: Males have a greatly widened embolar base (figs.195, 198); females have an almost square tip on the anterior receptaculum (fig. 201).
MALE (PBI_OON 21107, figs. 192–200): Total length 1.55. Posterior eye row procurved from front; ALE separated by their radius to diameter. Endites distally not excavated, anterior portion with single, strongly protuberant ledge. Postepigastric scutum present. Leg spination: tibiae: III p0-0-1, v0-1p-1p, r1-0-1; IV p1-0-1, v0-0-2, r1-0-1; metatarsi: III v0-2-2, r1-0-1; IV p1-0-1, v0-1p-2, r1-0-1. Embolus with basal projection short, straight, embolar base greatly widened.
FEMALE (PBI_OON 27479, figs. 201, 202): Total length 1.83. Leg spination: tibiae: III d0-10, p1-0-1, v0-0-2, r1-0-1; IV d0-1-0, p1-0-1, v0-1p-2, r1-0-1; metatarsi: III v0-1p-2, r0-0-1; IV p1-0-1, v0-2-2, r1-0-1. Anterior receptaculum almost square, on extremely narrow stalk, posterior receptaculum with pair of large ducts.
MATERIAL EXAMINED: PANAMA: Colón: Parque Metropolitano, near canopy crane, 8.99483°N, 79.54366°W, Dec. 30, 2007, sweeping rainforest vegetation (M. Draney et al., FMNH 34877, 44219, PBI_OON 10590, 10696), 2♀; Pipeline Road, Parque Nacional Soberania, 0.5 km S Río Frijolito, 9.14793°N, 79.72935°W, Jan. 8, 2008, rainforest leaf litter (B. Butterfield, M. Draney, FMNH 34879, PBO_OON 10592), 1♂ . Panamá: Balboa, Aug. 1936 (A. Chickering, MCZ 71508, PBI_OON 5694), 1♂; Isla Barro Colorado, June–July 1934 (MCZ PBI_OON 1629), 1♀ (holotype), July–Aug. 1954 (A. Chickering, MCZ 71568, PBI_OON 27476), 2♀ , June 1950 (A. Chickering, MCZ PBI_OON 31080), 1♀, May 6–18, 1964 (A. Chickering, MCZ 71571, 71572, PBI_OON 27464, 27478), 2♀, Feb. 19–Mar. 9, 1975, rotten flowers of Pseudobombax (AMNH PBI_OON 21108), 1♀ , Aug. 17, 1975, Berlese, leaf litter (S. Levings, USNM PBI_OON 27804), 1♀, Aug. 24–Sept. 13, 1975, Berlese, leaf litter (S. Levings, USNM PBI_ OON 27808, 27813), 2♂, Feb. 17, 1976, Berlese, leaf litter (S. Levings, USNM PBI_OON 27801), 1♀, Feb. 22–June 20, 1976, Berlese, leaf litter (S. Levings, USNM PBI_OON 27803, 27811), 2♂, Dec. 12, 1976, Berlese, leaf litter (S. Levings, USNM PBI_OON 27806), 2♀, Jan. 30, 1977, Berlese, leaf litter (S. Levings, USNM PBI_OON 27807), 1♂, 1♀, June 27, 1977, Berlese, leaf litter (S. Levings, USNM PBI_OON 27809), 2♀, July 25, 1977, Berlese, leaf litter (S. Levings, USNM PBI_OON 27812), 1♂, 1♀; Madden Forest Preserve , Jan. 8, 1958 (A. Chickering, MCZ 71509, 71511, 72233, PBI_OON 5685, 5696, 5697), 2♂, 1♀, Jan. 21, 1958 (A. Chickering, MCZ 66781, PBI_OON 21107), 1♂, Jan. 29, 1958 (A. Chickering, MCZ 71588, PBI_OON 27466), 3♀, Feb. 14, 1958 (A. Chickering, MCZ 72227, 80955, PBI_OON 5487, 5686), 1♂, 1♀, same (A. Chickering, MCZ 23249, PBI_OON 1065), 1♂ (holotype), Feb. 28, 1958 (A. Chickering, MCZ 71573, PBI_OON 27468), 1♀; Playa Corona, Aug. 8, 1983, litter (J., F. Murphy, AMNH PBI_OON 36768), 2♀; Summit Gardens, July 29, 1954 (A. Chickering, MCZ 71570, PBI_OON 27467), 1♀, Aug. 12, 1954 (A. Chickering, MCZ 71569, PBI_OON 27479), 8♀, May 1964 (A. Chickering, MCZ 66780, 71506, PBI_OON 5699, 21101), 2♂ .
DISTRIBUTION: Southern Panama (Colón, Panamá).
Synonymy: Numerous simultaneous collections indicate that O. tenebus is merely the male of O. pallidulus .