Heteroonops croix, Platnick & Dupérré, 2009

Platnick, Norman I. & Dupérré, Nadine, 2009, The Goblin Spider Genus Heteroonops (Araneae, Oonopidae), With Notes on Oonops, American Museum Novitates 3649, pp. 1-72 : 64

Heteroonops croix , new species

Figures 365–381

Oonops castellus (misidentification): Chickering, 1971: 206, fig. 17 only (males from St. Croix only).

TYPE: Male holotype from Frederiksted, St. Croix, Virgin Islands (Mar. 14, 1964; A. M. Chickering), deposited in MCZ (71594, PBI_OON 28086) .

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

DIAGNOSIS: Males can easily be recognized by the apically prolonged palpal bulb (figs. 371, 372), females by the relatively heavy sclerotization of the entire epigastric scutum (fig. 379) and the diamond-shaped anterior receptaculum (figs. 380, 381).

MALE (PBI _OON 28085, figs. 365 – 368): Total length 1.59. Endites each with one posteriorly directed projection (figs. 369, 370). Abdominal venter with pair of subcuticular dark spots just anterior of spinnerets. Leg spination: femora: I d1-0-0; II d1-0-1; III, IV d1-0-0; tibiae: I v2-2-0; III p1-0-0, v1-0-1, r0-0- 1; IV v0-0-1, r1-0-0; metatarsi: I v2-0-2; III v0- 1-0, r0-1-0; IV p0-0-1, v1-0-1. Embolus expanded just behind tip, conductor abruptly narrowed near tip (figs. 371, 372).

FEMALE (PBI_OON 27440, figs. 373– 378): Total length 1.91. Cheliceral fangs longer than in male. Palpal patella elongated but not prolaterally dilated. Leg spination (leg II missing): tibiae: I v2-4-0; III p0-1-1, v0-0-1; IV v0-1-0; metatarsi: I v2-2-0; III v0-2-2; IV p0-0-1, v1-0-2. Palpal spination: femur v0-0-1, patella p1-1-1, tibia p1-0-0, v0-1-0, tarsus v1- 1-2. Anterior receptaculum diamond shaped; posterior receptaculum rectangular, with distinct lumen (figs. 379–381).

OTHER MATERIAL EXAMINED: LESSER ANTILLES: Virgin Islands: St. Croix : no specific locality, Sept. 6, 1966 (A. Chickering, MCZ 72305, PBI_OON 27440), 1♀ ; just N Frederiksted, Mar. 16, 1964 (A. Chickering, MCZ 71595, PBI_OON 28085), 13 .

DISTRIBUTION: Virgin Islands (St. Croix).

Figures

Figs. 365–372. Heteroonops croix, new species, male. 365. Habitus, dorsal view. 366. Same, ventral view. 367. Same, lateral view. 368. Carapace, dorsal view. 369. Endite, ventral view. 370. Same, retrolateral view. 371. Palp, prolateral view. 372. Same, retrolateral view.

Figs. 373–381. Heteroonops croix, new species, female. 373. Habitus, dorsal view. 374. Same, ventral view. 375. Same, lateral view. 376. Carapace, dorsal view. 377. Same, anterior view. 378. Cephalothorax, ventral view. 379. Epigastric region, ventral view. 380. Genitalia, ventral view. 381. Same, dorsal view.