A Revision of the Neotropical Goblin Spider Genus Neoxyphinus Birabén, 1953 (Araneae, Oonopidae) Author Abrahim, Naiara Author Brescovit, Antonio D. Author Rheims, Cristina A. Author Santos, Adalberto J. Author Ott, Ricardo Author Bonaldo, Alexandre B. text American Museum Novitates 2012 2012-05-16 2012 3743 1 76 http://www.bioone.org/doi/abs/10.1206/3743.2 journal article 10.1206/3743.2 0003-0082 5360343 Neoxyphinus furtivus (Chickering) , new combination Figures 5, 17, 23, 29, 47, 275–312; map 7 Dysderina furtiva Chickering, 1968: 13 , figs. 26, 27 (female holotype from Jamaica , Saint Catherine , 3 miles north from Spanishtown , 16.Oct.1957 , in MCZ, PBI_OON 40607, examined). DIAGNOSIS: As in N. barreirosi and N. keyserlingi , the specimens of N. furtivus are devoid of both carapace spikes and abdominal denticles. Both males and females of this species can be distinguished by the reticulate surface of carapace and dorsal scutum (figs. 279, 280, 296, 297, 305, 308). Males differ from all other species by the presence of a small embolic prolateroapical lamella (figs. 291, 294). Females may be further distinguished by the presence of one prolateral spine on femur I, contrasting with two in N. hispidus and none in the remaining species. Map 7. Records of Neoxyphinus furtivus . MALE (PBI_OON 14382, MPEG 10506): Total length 1.98. Carapace orange-brown, posterolateral surface without spikes, surface of elevated portion of pars cephalica and sides strongly reticulate, lateral margin without tubercles. Clypeus margin slightly rebordered, straight in frontal view. Eyes: ALE separated by less than their radius. Sternum as long as wide, orange-brown, median concavity absent, with a median field of small pits, setae evenly scattered, originating from surface. Book lung covers large, ovoid. Pedicel tube medium sized. Dorsal scutum orange-brown, surface of middle and sides strongly reticulate, anterior half without projecting denticles. Postepigastric scutum orange-brown. Legs pale orange. Spine formula: tibia I v2-4-0, metatarsus I v2-1-2. Genitalia: sperm pore situated between anterior and posterior spiracles. Palp proximal segments, cymbium, and bulb yellow. Embolus rounded, without both prolateral prong and prolateral lamella, but with an additional prolatero-apical lamella (figs. 287–295). FEMALE (PBI_OON 14383, MPEG 13670): Total length 1.93. Carapace surface of elevated portion of pars cephalica and sides finely reticulate. Clypeus margin unmodified. Book lung covers ovoid. Dorsal scutum middle and sides surface finely reticulate. Spine formula: femur I p0-1-0, tibia I v5-3-2, metatarsus I v2-2-2; tibia II v4-4-0, metatarsus II v3-2-0; tibia III v1-1-1, metatarsus III v1-1-1. Epigynal atrium wide, with median element conical, placed anteriorly in our preparations (fig. 312). DISTRIBUTION: Known from Jamaica to northern Brazil (map 7). Figs. 275–286. Neoxyphinus furtivus (Chickering) , male. 275, 276. Habitus, dorsal view. 277. Same, lateral view. 278. Carapace, anterior view. 279. Same, lateral view. 280. Same, posterior view. 281. Same, dorsal view. 282. Sternum and mouthparts, ventral view. 283. Abdomen, anterior view. 284. Same, dorsal view. 285. Same, lateral view. 286. Same, ventral view. Figs. 287–295. Neoxyphinus furtivus (Chickering) , male. 287. Left palp, prolateral view. 288. Same, ventral view. 289. Same, retrolateral view. 290, 293. Left palp, embolus, prolateral view. 291, 294. Same, ventral view. 292, 295. Same, retrolateral view. Figs. 296–301. Neoxyphinus furtivus (Chickering) . 296, 297. Male habitus and carapace, dorsal view. 298. Female abdomen, frontal view. 299. Male abdomen, lateral view. 300. Male endite, posterior view. 301. Male sternum and mouthparts, ventral view. Figs. 302–312. Neoxyphinus furtivus (Chickering) , female. 302, 303. Habitus, dorsal view. 304. Same, lateral view. 305. Carapace, dorsal view. 306. Sternum and mouthparts, ventral view. 307. Carapace, anterior view. 308. Same, posterior view. 309. Abdomen, dorsal view. 310. Same, ventral view. 311. Same, lateral view. 312. Epigynum, dorsal view. OTHER MATERIAL EXAMINED: JAMAICA : Clarendon : 2.5 miles N of May Pen Rd. to Chapelton, Nov. 10, 1963 , A. Chickering ( PBI _OON 27139, MCZ 66654), 1♀ . Saint Ann : 3 mi S Moneague , Nov. 07, 1957 , A. Chickering ( PBI _OON 27145, MCZ 71719), 2♀ . Saint Andrew : Cooper’s Hill , Feb. 10, 1955 , P. Bellinger ( PBI _OON 27142, MCZ 71725), 1♀ ; Ferry , E Red Hills Road , Sept. 27, 1957 , A. Chickering ( PBI _OON 27147, MCZ 71720), 1♀ ; Hope Gardens , 18°01′59″N 76°45′W , Nov. 27–Dec. 06, 1963 , A. Chickering ( PBI _OON 27141, MCZ 71718), 2♀ ; Jack’s Hill Road , 18°03′00″N 76°44′59″W , Dec. 06, 1957 , A. Chickering ( PBI _OON 27146, MCZ 71723), 1♀ ; Stony Hill , 18°05′01″N 76° 48′00″W , May 28, 1956 , C. Hoff ( PBI _OON 27163, MCZ 71726), 1♀ , Oct. 18, 1957 , A. Chickering ( PBI _OON 27138, MCZ 71724), 1♀ . Saint Catherine : 3 mi N Spanishtown , Oct. 16, 1957 ( PBI _OON 27144, MCZ 71721), 2♀ ; Ewarton , 18°10′44″N 77°05′17″W , Nov. 29, 1957 , A. Chickering ( PBI _OON 27148, MCZ 71722), 1♀ . TRINIDAD AND TOBAGO : Arima : Arima Valley : No specific locality, 800–1200 ft , Feb. 10–22, 1964 , Wygodzinsky and Rosen ( PBI _OON 38046, AMNH ), 2♀ ; Simla , Apr. 05–25, 1964 , A. Chickering ( PBI _OON 27143, MCZ 71728), 13♀ , Apr. 20, 1964 , same ( PBI _OON 38047, AMNH ), 1♀ . Saint George : St. Augustine : University campus, 10°38′20″N 61°23′45″W , Apr. 05–07, 1964 , A. Chickering ( PBI _OON 27140, MCZ 71727), 24♀ . BRAZIL : Roraima : Amajari : Reserva Biológica Ilha de Maracá , 03°22′01″N 61°25′00″W , Jan. 31–Feb. 14, 1992 , A.B. Bonaldo ( PBI _OON 40125, MCTP 1836 ), 1♀ . Amazonas : Manaus : 03°06′07″S 60°01′30″W , Jan. 28, 1992 , A.B. Bonaldo ( PBI _OON 40124, MCTP 1479 ), 2♀ . Pará : Belém : Bosque Rodrigues Alves–Jardim Botânico da Amazônia , 01°25′49.0″S 48°27′22.3″W , all collected by J.A.P. Barreiros , Apr. 01, 2001 ( PBI _OON 14412, MPEG 10501 ), 1♀ , Apr. 08, 2001 ( PBI _OON 14402, MPEG 10503 ), 1♀ , May 12, 2001 ( PBI _OON 14417, MPEG 10490 ), 1♀ , Apr. 16, 2001 ( PBI _OON 14418, MPEG 10500 ), 1♀ , Apr. 22, 2001 ( PBI _OON 14387, MPEG 10498 ; PBI _OON 14401, MPEG 10497 ; PBI _OON 14416, MPEG 10499 ), 3♀ , Sept. 27, 2001 ( PBI _OON 14419, MPEG 10495 ), 1♀ , Oct. 18, 2001 ( PBI _OON 14404, MPEG 10491 ; PBI _OON 14428, MPEG 10496 ), 2♀ , Oct. 25, 2001 ( PBI _OON 14391, MPEG 10483 ; PBI _OON 14392, MPEG 10480 ; PBI _OON 14400, MPEG 10504 ; PBI _OON 14434, MPEG 10482 ), 7♀ , Nov. 08, 2001 ( PBI _OON 14382, MPEG 10506 ; PBI _OON 14383, MPEG 13670 ; PBI _OON 14393, MPEG 10484 ; PBI _OON 14410, MPEG 10488 ; PBI _OON 14429, MPEG 10505 ; PBI _OON 14435, MPEG 10481 ; PBI _OON 14547, MPEG 10486 ), 1♂ , 10♀ , 2001 ( PBI _OON 14385, MPEG 10507 ; PBI _OON 14389, MPEG 10492 ; PBI _OON 14397, MPEG 10493 ; PBI _OON 14408, MPEG 10487 ; PBI _OON 14413, MPEG 10502 ; PBI _OON 14414, MPEG 10485 ; PBI _OON 14415, MPEG 10494 ; PBI _OON 14427, MPEG 10489 ), 8♀ ; Reserva Mocambo , 01°26′28.7″S 48°24′46.2″W , Dec. 06–12, 2007 , B.V.B. Rodrigues and J.M.B. Pereira-Filho ( PBI _OON 14633, MPEG 14013 ; PBI _OON 14635, MPEG 14015 ; PBI _OON 14636, MPEG 14016 ; PBI _OON 14637, MPEG 14017 ; PBI _OON 14638, MPEG 14018 ; PBI _OON 14640, MPEG 14020 ; PBI _OON 14641, MPEG 14021 ; PBI _OON 14642, MPEG 14022 ; PBI _OON 14643, MPEG 14023 ; PBI _OON 14644, MPEG 14024 ), 10♀ , Dec. 13–15, 2007 , same ( PBI _OON 14634, MPEG 14014 ), 1♀ , May 07, 2008 , B.V.B. Rodrigues , J.M.B. Pereira-Filho , N. Abrahim and N.C. Bastos ( PBI _OON 14639, MPEG 14019 ), 1♀ . Goianésia : Fazenda Rio Capim , 03°18′50″S 48°28′54″W , July 30, 2002 , Equipe IPAN ( PBI _OON 14388, MPEG 10742 ; PBI _OON 14398, MPEG 10741 ; PBI _OON 14421, MPEG 10732 ), 2♂ , 1♀ , Aug. 30, 2002 , same ( PBI _ OON 14409, MPEG 10739 ), 1♀ , June 15–29, 2003 , same ( PBI _OON 14394, MPEG 10735 ; PBI _OON 14439, MPEG 10727 ), 2♂ , June 17, 2003 , same ( PBI _OON 14407, MPEG 10730 ; PBI _OON 14426, MPEG 10743 ; PBI _OON 14440, MPEG 10715 ; PBI _OON 14384, MPEG 10744 ; PBI _OON 14390, MPEG 10740 ; PBI _OON 14438, MPEG 10716 ), 2♀ , 5♂ . Melgaço : Estação Científica Ferreira Penna , FLONA Caxiuana , 01°44′15.5″S 51°26′42.0″W , Aug. 17, 2003 , J.A.P. Barreiros ( PBI _OON 14755, MPEG 10372 ), 1♀ , Oct. 25, 2003 , same ( PBI _OON 14405, MPEG 10345 ), 1♀ , Oct. 28, 2003 , same ( PBI _OON 14754, MPEG 10374 ), 1♂ . Novo Repartimento : Fazenda Arataú , 04°19′51″S 49°47′47″W , June 19–Aug. 12, 2003 , Equipe IPAN ( PBI _OON 14423, MPEG 10724 ) 1♀ , June 25–26, 2003 , same ( PBI _OON 14395, MPEG 10719 ; PBI _OON 14399, MPEG 10734 ; PBI _OON 14403, MPEG 10710 ; PBI _OON 14406, MPEG 10726 ; PBI _OON 14411, MPEG 10713 ; PBI _OON 14424, MPEG 10728 ; PBI _OON 14430, MPEG 10720 ; PBI _OON 14431, MPEG 10721 ; PBI _OON 14436, MPEG 10722 ; PBI _OON 14546, MPEG 10729 ), 2♂ , 9♀ , Aug. 11, 2006 , same ( PBI _OON 14425, MPEG 10745 ), 1♀ . Tailândia : Fazenda Santa Marta , May 13–14, 2003 , Equipe IPAN ( PBI _OON 14396, MPEG 10733 ; PBI _OON 14422, MPEG 10738 ; PBI _OON 14432, MPEG 10731 ), 3♀ ; July 10–30, 2003 , same ( PBI _OON 14433, MPEG 10714 ), 1♀ , July 19–30, 2003 , same ( PBI _OON 14420, MPEG 10711 ; PBI _OON 14386, MPEG 10723 ), 1♂ , 1♀ . No precise location, Mata , Varzea , Oct. 2005 , L. Macambira ( PBI _OON 14548, MPEG 10708 ), 3♀ .