Escaphiella acapulco, Platnick & Dupérré, 2009

Platnick, Norman I. & Dupérré, Nadine, 2009, The American Goblin Spiders Of The New Genus Escaphiella (Araneae, Oonopidae), Bulletin of the American Museum of Natural History 2009 (328), pp. 1-151 : 41-43

Escaphiella acapulco , new species Figures 196–222 ; map 3

TYPES: Male holotype and female allotype from Pie de la Cuesta, 8 mi W Acapulco , Guerrero, Mexico (June 29, 1941; L. Davis), deposited in AMNH (PBI_OON 36882, 36881) .

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

DIAGNOSIS: Males resemble those of E. iguala but can be easily distinguished by the reduced right palp, which is about half the size of the left one (figs. 204–211); females also resemble those of E. iguala but have longer legs and a larger anterior epigynal sclerite (figs. 218, 220).

(fig. 217). Epigynum with large anterior sclerite (figs. 218, 220).

OTHER MATERIAL EXAMINED: MEXICO: Guerrero: 65 mi N Acapulco, Jan. 18, 1975 (C. Rudolph, J. Rowland, AMNH PBI_ OON 36884), 1♀ ; Pie de la Cuesta , 8 mi W Acapulco , June 29, 1941 (L. Davis, AMNH PBI_OON 36408), 1♀ .

DISTRIBUTION: Known only from Guerrero, Mexico (map 3).

MALE (PBI_OON 36882): Total length 1.63 (figs. 196–199). Carapace pale orange, surface of elevated portion of pars cephalica granulate on anterior half, smooth on posterior half, sides granulate, surface of pars thoracica coarsely granulate everywhere except few bare spots; lateral margins with blunt denticles (figs. 202, 203). Eyes: ALE circular, PME squared; ALE touching, ALE-PLE touching, PME touching throughout most of their length, PLE-PME touching. Sternum pale orange, without radial furrows between coxae I–II, II–III, III–IV, surface smooth, microsculpture absent (fig. 212). Chelicerae, endites, and labium pale orange. Abdomen ovoid; book lung covers large, elliptical; pedicel tube medium, scutopedicel region with paired curved scutal ridges, scutum extending far dorsal of pedicel, scutal ridge granulate; dorsal scutum pale orange, covering full length of abdomen, no soft tissue visible from above, middle surface smooth, sides smooth; postepigastric scutum pale orange, sides smooth (figs. 200, 201). PMS present as single median projection (light microscope). Legs pale orange. Right palp consistently different from left palp (figs. 204–211, but left palp lost after initial observation), right palp with proximal segments pale orange; embolus dark; trochanter, femur normal size; patella longer than tibia; cymbium and bulb pale orange.

FEMALE (PBI_OON 36881): Total length 1.63 (figs. 214–216, 219, 221). Abdomen with soft portions of dorsum white (fig. 213); pedicel tube ribbed (fig. 222), scutopedicel region unmodified; anterior part of epigastric scutum with granulated ridge along margins

Figures

Figs. 196–203. Escaphiella acapulco, new species, male. 196. Habitus, dorsal view. 197. Same, ventral view. 198. Same, anterior view. 199. Same, lateral view. 200. Epigastric region, ventral view. 201. Abdomen, ventral view. 202. Carapace, dorsal view. 203. Same, lateral view.

Figs. 204–212. Escaphiella acapulco, new species, male. 204. Left palp, dorsal view. 205. Same, prolateral view. 206. Same, ventral view. 207. Same, retrolateral view. 208. Right palp, dorsal view. 209. Same, prolateral view. 210. Same, ventral view. 211. Same, retrolateral view. 212. Cephalothorax, ventral view.

Figs. 213–222. Escaphiella acapulco, new species, female. 213. Habitus, dorsal view. 214. Same, ventral view. 215. Cephalothorax, ventral view. 216. Carapace, dorsal view. 217. Anterior portion of abdomen, oblique anterior view. 218. Abdomen, ventral view. 219. Carapace, lateral view. 220. Epigynum, ventral view. 221. Habitus, anterior view. 222. Same, lateral view.