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OONOPIDAE SPECIES DESCRIPTION
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Xyphinus pachara       Get publication



            Male (PBI_OON 12067). Total length 2.00. CEPHALOTHORAX: Carapace orange-brown, without any pattern, ovoid in dorsal view, pars cephalica strongly elevated in lateral view, anteriorly narrowed to 0.49 times its maximum width or less, with angular posterolateral corners, posterolateral edge with pair of pits, posterior margin not bulging below posterior rim, anterolateral corners without extension or projections, posterolateral surface with 1 pair of spikes, surface of elevated portion of pars cephalica finely reticulate, sides finely reticulate, thorax without depressions, fovea absent, posterior margin with four lobate, sclerotized extensions, dorsal from the pedicel, reticulation of carapace surface very weak, barely visible, without radiating rows of pits; lateral margin straight, rebordered, with sharply pointed denticles; non-marginal pars cephalica setae light, needle-like, present, scattered; non-marginal pars thoracica setae light, needle-like; marginal setae light, needle-like. Clypeus margin slightly rebordered, straight in front view, vertical in lateral view, high, ALE separated from edge of carapace by their radius or more, median projection present; setae present, needle-like. Chilum absent. Eyes six, well developed, ALE largest, ALE circular, PME oval, PLE circular; posterior eye row straight from above, procurved from front; ALE separated by their radius to diameter, ALE-PLE touching, PME touching throughout most of their length, PLE-PME touching. Sternum longer than wide, orange-brown, uniform, fused to carapace, median concavity absent, without radial furrows between coxae I-II, II-III, III-IV, furrow smooth, radial furrow opposite coxae III absent, surface smooth, without pits, microsculpture absent, sickle-shaped structures not touching, anterior margin unmodified, posterior margin not extending posteriorly of coxae IV, anterior corner unmodified, distance between coxae approximately equal, extensions of pre-coxal triangles absent, lateral margins unmodified, without posterior hump, anterior margin of sternum sclerotized. A pair of sclerotized impressions opposite coxae III, extending fan-like anteriorly. Sickle-shaped structures extending fan-like anteriorly;; setae abundant, light, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium orange-brown. Chelicerae widely divergent, anterior face unmodified; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae light, needle-like, evenly scattered; paturon distal region unmodified. Labium rectangular, fused to sternum, anterior margin indented at middle, same as sternum in sclerotization; with 3-5 setae on anterior margin, subdistal portion with unmodified setae. Endites distally not excavated, serrula present in single row, anteromedian tip with backwards folded ridge, posteromedian part unmodified, same as sternum in sclerotization. ABDOMEN: ovoid, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly. Book lung covers large, ovoid, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube long, ribbed, scuto-pedicel region with straight scutal ridge, scutum extending far dorsal of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, scutal ridge very thick, interrupted in middle. Dorsal scutum strongly sclerotized, orange-brown, without color pattern, covering full length of abdomen, no soft tissue visible from above, not fused to epigastric scutum, middle surface smooth, sides smooth, anterior half without projecting denticles. Epigastric scutum strongly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum strongly sclerotized, orange-brown, long, semicircular, covering nearly full length of abdominal length, fused to epigastric scutum, anterior margin unmodified, with short posteriorly directed lateral apodemes. Spinneret scutum present, incomplete ring. Dorsum setae present, light, needle-like. Epigastric area setae uniform, light, needle-like. Postepigastric area setae present, light, needle-like. Spinneret scutum with fringe of needle-like setae. Dense patch of setae anterior to spinnerets absent. LEGS: pale orange, without color pattern; femur IV not thickened, same size as femora I-III, patella plus tibia I near as long as carapace, metatarsi metatarsi of leg III and IV provided with harpoonlike hairs ventrally. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Tarsi I to IV without inferior claw. Trichobothria examined with Compound microscope; tibia: each with three; metatarsus: each with one. GENITALIA: Epigastric region with sperm pore small, oval, situated in front of anterior spiracles, unmodified; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments pale orange; embolus embolus not discernible; trochanter normal size, unmodified; femur normal size, one to two times as long as trochanter, attaching to patella basally; patella about as long as femur, not enlarged; tibia trichobothria with 3 trichobothria; cymbium dark red-brown, ovoid in dorsal view, fused with bulb but with clearly defined seam between, not extending beyond distal tip of bulb, without stout setae, without distal patch of setae; bulb pale orange, more than 2 times as long as cymbium, stout, spherical, with two long, sclerotized apophyses, appearing scissor-like, small twisted, membranous apophysis visible ventrally.
Xyphinus pachara, male habitus, dorsal view (image by YK, specimen ID: ---12063)

xyphipachamphabd12063YK.tif

Xyphinus pachara, male habitus, ventral view (image by YK, specimen ID: ---12063)

xyphipachamphabv12063YK.tif

Xyphinus pachara, male habitus, lateral view (image by YK, specimen ID: ---12063)

xyphipachamphabl12063YK.tif

Xyphinus pachara, male carapace, dorsal view (image by YK, specimen ID: ---12063)

xyphipachampcard12063YK.tif

Xyphinus pachara, male carapace, ventral view (image by YK, specimen ID: ---12063)

xyphipachampcarv12063YK.tif

Xyphinus pachara, male carapace, lateral view (image by YK, specimen ID: ---12063)

xyphipachampcarl12063YK.tif

Xyphinus pachara, male carapace, anterior view (image by YK, specimen ID: ---12063)

xyphipachampcara12063YK.tif

Xyphinus pachara, male carapace, prolateral view (image by YK, specimen ID: ---12063)

xyphipachampcarp12063YK.tif

Xyphinus pachara, male abdomen, anterior view (image by YK, specimen ID: ---12063)

xyphipachampabda12063YK.tif

Xyphinus pachara, male palp, prolateral view (image by YK, specimen ID: ---12063)

xyphipachamppalp12063YK.tif

Xyphinus pachara, male palp, ventral view (image by YK, specimen ID: ---12063)

xyphipachamppalv12063YK.tif

Xyphinus pachara, male palp, retrolateral view (image by YK, specimen ID: ---12063)

xyphipachamppalr12063YK.tif

Xyphinus pachara, male palp, prolateral view (image by YK, specimen ID: ---12063)

xyphipachamdpalp12063YK.tif

Xyphinus pachara, male palp, ventral view (image by YK, specimen ID: ---12063)

xyphipachamdpalv12063YK.tif

Xyphinus pachara, male palp, retrolateral view (image by YK, specimen ID: ---12063)

xyphipachamdpalr12063YK.tif


            Female (PBI_OON 12067). Total length 2.08. As in male except as noted. CEPHALOTHORAX: Carapace posterior margin with four lobate, sclerotized extensions, dorsal from the pedicel, reticulation of carapace surface very weak, barely visible. Clypeus margin unmodified. Sternum anterior margin of sternum sclerotized. A pair of sclerotized impressions opposite coxae III, extending fan-like anteriorly. Sickle-shaped structures extending fan-like anteriorly;. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, femur with two spine-like hairs ventrally; trichobothria tibia with three trichobothria. ABDOMEN: Pedicel scutal ridge very thick, interrupted in middle. Epigastric scutum strongly protruding. Postepigastric scutum not fused to epigastric scutum. Colulus present. LEGS: metatarsi metatarsi of leg III and IV provided with harpoonlike hairs ventrally. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria examined with Compound microscope. GENITALIA: Shape: epigastric furrow very narrow, anterior margin of postepigastric scutum very thick and strongly sclerotized. Dark tongue-like structure visible medially, elongated posteriorly, slightly coiled, folded underneath itself, covered by translucent membrane..
Xyphinus pachara, female habitus, dorsal view (image by YK, specimen ID: ---12067)

xyphipachafphabd12067YK.tif

Xyphinus pachara, female habitus, ventral view (image by YK, specimen ID: ---12067)

xyphipachafphabv12067YK.tif

Xyphinus pachara, female habitus, lateral view (image by YK, specimen ID: ---12067)

xyphipachafphabl12067YK.tif

Xyphinus pachara, female carapace, dorsal view (image by YK, specimen ID: ---12067)

xyphipachafpcard12067YK.tif

Xyphinus pachara, female carapace, ventral view (image by YK, specimen ID: ---12067)

xyphipachafpcarv12067YK.tif

Xyphinus pachara, female carapace, anterior view (image by YK, specimen ID: ---12067)

xyphipachafpcara12067YK.tif

Xyphinus pachara, female carapace, prolateral view (image by YK, specimen ID: ---12067)

xyphipachafpcarp12067YK.tif

Xyphinus pachara, female abdomen, ventral view (image by YK, specimen ID: ---12067)

xyphipachafpabdv12067YK.tif

Xyphinus pachara, female epigynum, epigynal area, ventral view (image by YK, specimen ID: ---12067)

xyphipachafpepiv12067YK.tif

Xyphinus pachara, female epigynum, epigynal area, dorsal view (image by YK, specimen ID: ---12067)

xyphipachafpepid12067YK.tif

Xyphinus pachara, female epigynum, epigynal area, ventral view (image by YK, specimen ID: ---12067)

xyphipachafdepiv12067YK.tif

Xyphinus pachara, female epigynum, epigynal area, dorsal view (image by YK, specimen ID: ---12067)

xyphipachafdepid12067YK.tif

 

DISTRIBUTION

MALAYSIA
Xyphinus pachara coordinates
Click the following link for a map from Discover Life which displays the records below. You can click anywhere on that map to zoom in, and clicking on any point will display the full data for that locality Xyphinus pachara, Discover Life Map
 

MATERIAL EXAMINED
Order by:    
PBI USI Country State Division Locality Sex Type Status Elevation(m) GPS Coordinate Habitat Collection_Date Collector Inst. Code
PBI_OON 00012068  MALAYSIA  Pahang  Charas Hill  About 3 km N of Panching  1 Adult Male  Paratype  60  3.91141; 103.14727  Evergreen forest, Limestone  09 Jul 2001  P. Schwendinger  MHNG 
PBI_OON 00012067  MALAYSIA  Pahang  Frasers Hill  NE side  3 Adult Female  Paratype  1200  3.73333; 101.76666  Evergreen forest, Limestone  25 Aug 2004  A. Schultz  MHNG 
PBI_OON 00012067  MALAYSIA  Pahang  Frasers Hill  NE side  1 Adult Male  Paratype  1200  3.73333; 101.76666  Evergreen forest, Limestone  25 Aug 2004  A. Schultz  MHNG 
PBI_OON 00032588  MALAYSIA  Pahang  Frasers Hill  NE side  1 Adult Male  Holotype  1200  3.73333; 101.76666  Evergreen forest, Limestone  25 Aug 2004  A. Schultz  MHNG 
PBI_OON 00012063  MALAYSIA  Pahang  Frasers Hill  2 km S of town  1 Adult Male  Paratype  1200  3.68333; 101.75000  Evergreen forest, Limestone  28 Aug 2004  A. Schultz  MHNG 


 
 
 
 
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