Orchestina galapagos Izquierdo, 2017

Izquierdo, Matías Andrés & Ramírez, Martín J., 2017, Taxonomic Revision Of The Jumping Goblin Spiders Of The Genus Orchestina Simon, 1882, In The Americas (Araneae: Oonopidae), Bulletin of the American Museum of Natural History 2017 (410), pp. 1-1 : 1-

Orchestina galapagos Izquierdo , new species

Figures 55C–E , 56 , 60G , 61G , 64G , map 8, 9

TYPES: Female holotype from Ecuador: Galapagos Islands: Isla San Cristobal, Cerro Pelado, 450 m (-0.8081138°, -89.437761°), Feb. 17, 1978, W. Reeder, from litter and moss-fern growth base of lava block, soil well-drained litter thin, Scalesia , Psychotria , Chiococca , Zanthoxylum community, deposited in TMM, PBI_OON 36907; Isla Santa Cruz: Santa Cruz, Trail to Bellavista (-0.6393583°, -90.33718°), 125 m, Oct. 11, 1975, W.G. Reeder 3 female paratypes deposited in TMM 59878, PBI_OON 36902.

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

DIAGNOSIS: Females can be distinguished by the internal genitalia with massive anterior receptaculum with lateral projections and internal pockets widely separated (figs. 56B–D, 60G, 61G, 64G).

MALE: Unknown.

FEMALE (PBI_OON 36907): Total length 1.43. Habitus as in figure 55C–E. CEPHALO-

THORAX: Sternum as long as wide, yellowish white (fig. 55D). Chelicerae, endites, labium yellowish white. Labium rectangular. ABDO- MEN: Pale white. LEGS: Patella plus tibia I longer than carapace. GENITALIA: Besides diagnostic characters, external pockets absent; posterior receptaculum present, posterior apodeme formed by entire plate (figs. 56A–F, 60G, 61G, 64G).

DISTRIBUTION: Known from Jamaica, Panama, and the Galapagos Islands (maps 8, 9).

OTHER MATERIAL EXAMINED: JAMAICA: Hanover Parish: Askenish Trail to Dolphin Head, 385 m (18.36667°, -78.16667°), June 24, 1954, 1♀ (MCZ 66803, PBI_OON 27363). Saint Ann: 2m S Unity Valley, 431 m (18.24972°, -77.11666°), Dec. 09, 1954, A. Nadler, 1♀ (MCZ, PBI_OON 29415). Saint Andrew: Hope Gardens, Kingston (18.03333°, -76.75000°), Mar. 14, 1955, A. Nadler, 1♀ (MCZ, PBI_OON 42766); Stony Hill, 497 m (18.07900°, -76.78300°), Oct. 18, 1957, A. Chickering, 1♀ (AMNH, PBI_OON 1490). St. James: ½ mile E Reading (18.383333°, -77.883333°), June 23, 1959, 1♀ (MCZ 71447, PBI_OON 26471). Trelawny Parish: Kinloss, 209 m (18.40388°, -77.56048°), Mar. 23, 1955, A. Nadler, 13 (MCZ, PBI_ OON 29413). PANAMA: Colon: Barro Colorado Island, Canal Zone (9.15472°, -79.84806°), May 05, 1964, 1♀ (MCZ 71412, PBI_OON 27362). Darien: Park National Darien, Est. Rancho Frio Pirre (7.90832°, -77.80522°), Mar. 21, 2000, to Apr. 04, 2000, R. Cabra, A. Santos, S. Bermudez, 1♀ (GBFM, PBI_OON 37738). Panama: Barro Colorado: Canal Zone, 170 m (9.15388°, -79.85138°), Apr. 20, 1953, A. Nadler, 1♀ (AMNH, PBI_OON 1979); Canal Zone, 170 m (9.15388°, -79.85138°), Apr. 03, 1935, to Apr. 20, 1953, A. Nadler, 1♀ (AMNH, PBI_OON 1980); same data, Apr. 01, 1953, A. Nadler, 1♀ (AMNH, PBI_OON 1981). Summit (9.04697°, -79.64056°), July 07, 1950, A. Chickering, 1♀ (MCZ 71413, PBI_OON 27359); Summit Gardens (9.04201°, -79.63052°), Aug. 12, 1954, A. Chickering, 1♀ (MCZ 66948, PBI_OON 27361). ECUADOR: Galapagos Islands: Isla Santiago, La Trágica, 360 m (-0.259005°, -90.698516°), Mar. 04, 1983, Y. Lubin, 1♀ (MCZ 72965, PBI_OON 27613). Isla Floreana: old wittmer farm house, 300 m (-1.3091055°, -90.432161°), Jan. 21, 1977, W.G. Reeder, 1♀ (TMM 59875, PBI_OON 36906); same data, SE slope Cerro de La Paja, 380 m, under and on lava rocks in dry soil substrate, Scalesia , Macraea , Zanthoxylum , Citrus , Psidium, Feb. 21, 1977, 1♀ (TMM 73749, PBI_ OON 42701); same data, 360 m, night collection in Macrea, Scalesia , Citrus , Guayaba , Croton , Tournefortia, Feb. 20, 1977, 4♀ (TMM 58040, PBI_OON 43574), same data, Asilia de La Paz, Cerro Wittmer, 300 m, screened from Pisonia and Tournefortia-rufo-sericea litter, small spring, substrate slightly damp, Feb. 22, 1977, 1♀ (TMM 59948, PBI_OON 43580). Genovesa: Bahía Darwin, screened from litter of Cordia lutea and Croton ; also beneath small lava rocks in litter, Opuntia , Bursera , 15 m, Oct. 12, 1975, W.G. Reeder, 1♀ (TMM 58902, PBI_OON 43581). Isla San Cristóbal: Cerro Pelado, 450 m (-0.8081138°, -89.437761°), Feb. 17, 1978, W. Reeder, 1♀ (TMM, PBI_OON 36907); same data, from litter and moss-fern growth, base of lava block, soil well drained, litter thin Scalesia , Psychotria , Chiococca , Zanthoxylum community, 2♀, 4 juveniles, sex unknown (TMM 72800, PBI_OON 42817); same data, Tres Palos 0.3 km W Escuela Cabo, Feb. 13, 1978, W. Reeder, 1♀ (TMM 57846, PBI_OON 36904); same data, 150–160 m, 1♀, 1 juvenile, sex unknown (TMM 72806, PBI_OON 42703); same data, Tres Palos area, cultivated area, Psidium guajava , Jatropha , Tournefor- tia, Kalanchoe , 185 m, Feb. 11, 1978, W.G. Reeder, 5♀ (TMM 57855, PBI_OON 36901); same data, 0.3 km W Escuela Cabo, 150–160 m, Feb. 11, 1978, W.G. Reeder, 1♀ (TMM 72808, PBI_OON 42702); same data, Tres Palos area, 110 m, Feb. 11, 1978, W.G. Reeder, 2♀, 2 juveniles, sex unknown (TMM 57865, PBI_OON 36905); same data, beneath loose bark of Psidium, Hipoomane , in area with Pisonia , Tournefortia rufosericea , Chiococca , 1♀ (TMM 59935, PBI_OON 43577); same data, trail from Tres Palos to Espinero, 160 m, sweeping in Psidium galapageium and P. uajava, Clerodendrum , Zanthoxylum , Hippomane, Feb. , 12, 1978, W.G. Reeder, 1♀ (TMM 58056, PBI_OON 43575). Isla Santa Cruz: Santa Cruz (-0.6393583°, -90.33718°), W. Reeder, 1♀ (TMM 7973, PBI_OON 36909); Trail to Bellavista, 100 m, Oct. 11, 1975, W.G. Reeder, 1 juvenile, sex unknown (TMM 59874, PBI_ OON 36900); same data, 195 m, Sep. 11, 1975, W.G. Reeder, 2♀ (TMM 59908, PBI_OON 36903); same data, sweeping in Clarodendrum tangles with Zanthoxylum and Pisonia Damp. , Psidium , Scalesia , herbs, and ferns, Oct. 11, 1975, 1♀ (TMM 58035, PBI_OON 43571); same data under rocks and under dead Zanthoxylum , sparse litter Bursera , Acacia , Opuntia , Zanthoxylum ; dry herb cover, 2♀ (TMM 58045, PBI_OON 43569); same data, Charles Darwin Research Station, -0.74141°, -90.30423°, Jan. 01, 1978, 1♀ (TMM 59333, PBI_OON 43582). Isla Isabela: 1 km S Cerro Verde, 320 m, from balls of epiphytic moss growing about 4–5 m above ground in large introduced trees, Jan. 16, 1978, W.G. Reeder, 2♀, 8 juveniles, sex unknown (TMM 58043, PBI_OON 43583); Alemania, 350 m, sweeping in fern, tournefortia rufo-sericea, in Scalesia , Zanthoxylum stand, Jan. 22, 1977, W. Reeder, 1♀ (TMM 72799, PBI_OON 42818).

Figures

FIGURE 55. Orchestina spp., habitus of females. A–B. O . kairi, holotype. C–E. O . galapagos. A, C. Dorsal. B, E. Lateral. D. Ventral. Scale bars: 0.5 mm. (PBI_OON 36907, 27360, 36902).

FIGURE 56. Orchestina galapagos, SEM of female genitalia. A. Epigastric region. B. Dorsal view. C. Same, dorsolateral view. D. Detail of the apical region of the anterior receptaculum. E. Detail of the posterior receptaculum and posterior apodeme. F. Detail of internal pocket. Abbreviations: AA, apodemes of the anterior receptaculum; AR, anterior receptaculum; IP, internal pocket; LP, lateral projection of the anterior receptaculum; PA, posterior apodeme; PR, posterior receptaculum. Scale bars: A–C. 100 μm. D–F. 50 μm. (PBI_OON 43574).

FIGURE 60. Orchestina spp., female genitalia, ventral view. A. O . filandia. B. O . arboleda. C. O . cali. D. O . saltabunda. E. O . ranchogrande. F. O . kairi. G. O . galapagos. H. O . fernandina, I. O . neblina. J. O . venezuela. Scale bars: 0.2 mm. (PBI_OON 42240, 42225, 42748, 1665, 27360, 36903, 36908, 30708, 51119, 1683).

FIGURE 61. Orchestina spp., cleared female genitalia, ventral view. A. O . filandia. B. O . arboleda. Arrows point to depressions at the end of epigastric fold. C. O . cali. D. O . saltabunda; arrow points to posterior receptacle. E. O . maracay. F. O . ranchogrande. G. O . galapagos. H. O . fernandina. Scale bars: 0.2 mm. (PBI_OON 51119, 42240, 42225, 42748, 1666, 1665, 36903, 36908).

FIGURE 64. Orchestina spp., drawings of female genitalia, ventral view. A. O . cali. B. O . arboleda. C. O . ranchogrande. D. O . saltabunda. E. O . venezuela. F. O . neblina. G. O . galapagos. H. O . fernandina. Scale bars: 0.2 mm. (PBI_OON 42225, 42240, 1665, 42748, 1683, 30708, 36902, 36908).