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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Xestaspis paulina       Get publication



            Male (PBI_OON 31920). Total length 2.56. CEPHALOTHORAX: Carapace orange-brown, without any pattern, broadly oval in dorsal view, pars cephalica strongly elevated in lateral view, anteriorly narrowed to 0.49 times its maximum width or less, with rounded posterolateral corners, posterolateral edge without pits, posterior margin not bulging below posterior rim, anterolateral corners without extension or projections, posterolateral surface without spikes, surface of elevated portion of pars cephalica smooth, sides smooth, thorax without depressions, fovea absent, without radiating rows of pits; lateral margin straight, rebordered, without denticles; plumose setae near posterior margin of pars thoracica absent; non-marginal pars cephalica setae light, needle-like, present in u-shaped row; 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, median projection absent; setae present, light, needle-like. Chilum absent. Eyes six, well developed, all subequal, all eyes oval; posterior eye row recurved from above, procurved from front; ALE separated by their radius to diameter, ALE-PLE separated by less than ALE radius, PME touching throughout most of their length, PLE-PME separated by less than PME radius. Sternum longer than wide, orange-brown, uniform, fused to carapace, median concavity absent, with radial furrows between coxae I-II, II-III, III-IV, furrow with row of large pits, radial furrow opposite coxae III absent, surface smooth, covered with large round pits, microsculpture only in furrows, sickle-shaped structures absent, anterior margin with continuous transverse groove, posterior margin extending posteriorly beyond anterior edges of coxae IV as single extension, anterior corner unmodified, distance between coxae approximately equal, extensions of pre-coxal triangles absent, without posterior hump; setae sparse, light, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium orange-brown. Chelicerae slightly divergent, anterior face unmodified; without teeth on both promargin and retromargin; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae light, needle-like, evenly scattered; paturon inner margin with pairs of enlarged setae, distal region abruptly narrowed, posterior surface unmodified, inner margin unmodified. Labium rectangular, fused to sternum, anterior margin not indented at middle, same as sternum in sclerotization; with 6 or more setae on anterior margin, subdistal portion with unmodified setae. Endites distally not excavated, anteromedian tip unmodified, 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; dorsum soft portions white, without color pattern. Book lung covers small, elliptical, without setae, anterolateral edge umodified to pointed tubercle. Posterior spiracles connected by groove. Pedicel tube medium, ribbed, scutum not extending far dorsal of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, scuto-pedicelregion with paired to straight scutal ridge with a second upper, semicircular ridge.. Dorsal scutum strongly sclerotized, without color pattern, covering full length of abdomen, no soft tissue visible from above, not fused to epigastric scutum, middle surface punctate, sides punctate, anterior half without projecting denticles, color orange-brown or dark red-brown. Epigastric scutum strongly sclerotized, surrounding pedicel, slightly protuding, small lateral sclerites absent. Postepigastric scutum strongly sclerotized, long, semicircular, covering nearly full length of abdominal length, fused to epigastric scutum, anterior margin unmodified, with short posteriorly directed lateral apodemes, epigastric- and postepigastric scuta color orange-brown to dark re-brown. Spinneret scutum present, incomplete ring. Dorsum setae present, light. Epigastric area setae uniform, light. Postepigastric area setae present, light. Spinneret scutum with fringe of long setae. Dense patch of setae anterior to spinnerets absent. Interscutal membrane with setae. Abdomen setae needle-like setae mixed with plumose setae. Colulus present. LEGS: pale orange, without color pattern; femur IV not thickened, same size as femora I-III, patella plus tibia I shorter than carapace, tibia I unmodified, tibia IV specialized hairs on ventral apex present, tibia IV ventral scopula absent, metatarsi I and II meso-apical comb absent, metatarsi III and IV weak ventral scopula absent, tibiae tibia III and IV ventral apex with brush of specialized hairs with even hair shaft and bent, narrowing, plumose hair tip, metatarsi metatarsi I-IV dorsal apex with small appendage. 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, narrow, slit-like, situated at level of anterior spiracles, rebordered; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments pale orange; embolus dark, prolateral excavation absent, embolus long, slender, lamellar, about as long as bulbus, half way to distal tip split into a second, slightly shorter, dorsal appendage, adjacent to a third, slightly shorter, lamellar, ventral appendage; ventral appendage distal tip with dorsal tooth-like projection; trochanter normal size, unmodified; femur normal size, one to two times as long as trochanter, without posteriorly rounded lateral dilation, attaching to patella basally; patella shorter than femur, not enlarged, without prolateral row of ridges, setae unmodified; tibia trichobothria with 3 trichobothria; cymbium pale orange, ovoid in dorsal view, fused with bulb but with clearly defined seam between, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, without distal patch of setae; bulb pale orange, 1 to 1.5 times as long as cymbium, stout, tapering apically.
Xestaspis paulina, male embolus, prolateral view (image by BE, specimen ID: ---31926)

xestapaulimdembp31926BE.tif

Xestaspis paulina, male palp, right, modified, prolateral view (image by BE, specimen ID: ---31926)

xestapaulimdparp31926BE.tif

Xestaspis paulina, male abdomen, anterior view (image by BE, specimen ID: ---31926)

xestapaulimpabda31926BE.tif

Xestaspis paulina, male abdomen, ventral view (image by BE, specimen ID: ---31926)

xestapaulimpabdv31926BE.tif

Xestaspis paulina, male booklung covers, lateral view (image by BE, specimen ID: ---31926)

xestapaulimpbocl31926BE.tif

Xestaspis paulina, male booklung covers, posterior view (image by BE, specimen ID: ---31926)

xestapaulimpbocT31926BE.tif

Xestaspis paulina, male carapace, anterior view (image by BE, specimen ID: ---31920)

xestapaulimpcara31920BE.tif

Xestaspis paulina, male carapace, dorsal view (image by BE, specimen ID: ---31926)

xestapaulimpcard31926BE.tif

Xestaspis paulina, male carapace, posterior view (image by BE, specimen ID: ---31926)

xestapaulimpcarT31926BE.tif

Xestaspis paulina, male habitus, dorsal view (image by BE, specimen ID: ---31920)

xestapaulimphabd31920BE.tif

Xestaspis paulina, male habitus, lateral view (image by BE, specimen ID: ---31920)

xestapaulimphabl31920BE.tif

Xestaspis paulina, male habitus, ventral view (image by BE, specimen ID: ---31920)

xestapaulimphabv31920BE.tif

Xestaspis paulina, male sternum, ventral view (image by BE, specimen ID: ---31920)

xestapaulimpstev31920BE.tif

Xestaspis paulina, male palp, prolateral view (image by BE, specimen ID: ---31926)

xestapaulimppalp31926BE.tif


            Female (PBI_OON 31917). Total length 2.63. As in male except as noted. CEPHALOTHORAX: Carapace non-marginal pars cephalica setae u-shaped distribution in double row; with an additional longitudinal middle row. Mouthparts: paturon inner margin with scattered setae. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Book lung covers anterolateral edge umodified to pointed tubercle. Pedicel scuto-pedicelregion with paired to straight scutal ridge with a second upper, semicircular ridge.. Dorsal scutum color orange-brown or dark red-brown. Epigastric scutum without lateral joints. Postepigastric scutum epigastric- and postepigastric scuta color orange-brown to dark re-brown. Abdomen setae needle-like setae mixed with plumose setae. LEGS: tibiae tibia III and IV ventral apex with brush of specialized hairs with even hair shaft and bent, narrowing, plumose hair tip, metatarsi metatarsi I-IV dorsal apex with small appendage. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria examined with Compound microscope. GENITALIA: Ventral view: unmodified, genital opening identical to epigastric furrow. Dorsal view: receptaculum ovoid, elongated, with ovoid, elongated sac-like structure inside receptaculum, glandular duct lying dorsally of receptaculum about half the length of receptaculum, with transverse sclerite with attached nail-like structure at anterior side of receptaculum, with wing-like, lateral sclerites, with short sclerites attached at the posterior spiracles..
Xestaspis paulina, female epigynum, epigynal area, dorsal view (image by BE, specimen ID: ---31926)

xestapaulifdepid31926BE.tif

Xestaspis paulina, female epigynum, epigynal area, dorsal view (image by BE, specimen ID: ---31926)

xestapaulifpepid31926BE.tif

Xestaspis paulina, female habitus, dorsal view (image by BE, specimen ID: ---31926)

xestapaulifphabd31926BE.tif

Xestaspis paulina, female habitus, lateral view (image by BE, specimen ID: ---31926)

xestapaulifphabl31926BE.tif

Xestaspis paulina, female habitus, ventral view (image by BE, specimen ID: ---31926)

xestapaulifphabv31926BE.tif

Xestaspis paulina, female abdomen, anterior view (image by BE, specimen ID: ---31926)

xestapaulifpabda31926BE.tif

Xestaspis paulina, female abdomen, ventral view (image by BE, specimen ID: ---31926)

xestapaulifpabdv31926BE.tif

Xestaspis paulina, female booklung covers, lateral view (image by BE, specimen ID: ---31926)

xestapaulifpbocl31926BE.tif

Xestaspis paulina, female carapace, anterior view (image by BE, specimen ID: ---31926)

xestapaulifpcara31926BE.tif

Xestaspis paulina, female carapace, dorsal view (image by BE, specimen ID: ---31926)

xestapaulifpcard31926BE.tif

Xestaspis paulina, female carapace, posterior view (image by BE, specimen ID: ---31926)

xestapaulifpcarT31926BE.tif

Xestaspis paulina, female sternum, ventral view (image by BE, specimen ID: ---31926)

xestapaulifpstev31926BE.tif

 

DISTRIBUTION

SRI LANKA
Xestaspis paulina coordinates
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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 00031917  SRI LANKA      Kataragama Peak  1 Adult Female  Paratype    ;   Dry litter  18 Aug 1983  C.L. Deeleman and P.R. Deeleman  RMNH 
PBI_OON 00031411  SRI LANKA      Kataragama Peak  1 Adult Male  Paratype    ;   Dry litter  18 Aug 1983  C.L. Deeleman and P.R. Deeleman  RMNH 
PBI_OON 00031915  SRI LANKA      Kataragama Peak  1 Adult Female  Paratype    ;   Dry litter  18 Aug 1983  C.L. Deeleman and P.R. Deeleman  NMBE 
PBI_OON 00031926  SRI LANKA      Kataragama Peak  2 Adult Female      ;   Dry litter  18 Aug 1983  C.L. Deeleman and P.R. Deeleman  RMNH 
PBI_OON 00031920  SRI LANKA      Kataragama Peak  1 Adult Male  Holotype    ;   Dry litter  18 Aug 1983  C.L. Deeleman and P.R. Deeleman  RMNH 
PBI_OON 00031916  SRI LANKA      Kataragama Peak  1 Adult Male  Paratype    ;   Dry litter  18 Aug 1983  C.L. Deeleman and P.R. Deeleman  RMNH 
PBI_OON 00031910  SRI LANKA      Kataragama Peak  1 Adult Male  Paratype    ;   Dry litter  18 Aug 1983  C.L. Deeleman and P.R. Deeleman  NMBE 
PBI_OON 00031926  SRI LANKA      Kataragama Peak  1 Adult Male      ;   Dry litter  18 Aug 1983  C.L. Deeleman and P.R. Deeleman  RMNH 
PBI_OON 00031913  SRI LANKA      Kataragama Peak  1 Adult Male  Paratype    ;   Dry litter  18 Aug 1983  C.L. Deeleman and P.R. Deeleman  RMNH 
PBI_OON 00031907  SRI LANKA      Kataragama Peak  1 Adult Female  Paratype    ;   Dry litter  18 Aug 1983  C.L. Deeleman and P.R. Deeleman  RMNH 
PBI_OON 00031908  SRI LANKA      Kataragama Peak  1 Adult Male  Paratype    ;   Dry litter  18 Aug 1983  C.L. Deeleman and P.R. Deeleman  AMNH 
PBI_OON 00031909  SRI LANKA      Kataragama Peak  1 Adult Male  Paratype    ;   Dry litter  18 Aug 1983  C.L. Deeleman and P.R. Deeleman  RMNH 
PBI_OON 00031911  SRI LANKA      Kataragama Peak  1 Adult Female  Paratype    ;   Dry litter  18 Aug 1983  C.L. Deeleman and P.R. Deeleman  RMNH 
PBI_OON 00031914  SRI LANKA      Kataragama Peak  1 Adult Female  Paratype    ;   Dry litter  18 Aug 1983  C.L. Deeleman and P.R. Deeleman  AMNH 
PBI_OON 00031919  SRI LANKA  unknown    Tissamaharama  1 Adult Male      ;   Dry litter  17 Aug 1981  C.L. Deeleman and P.R. Deeleman  RMNH 
PBI_OON 00031919  SRI LANKA  unknown    Tissamaharama  2 Adult Female      ;   Dry litter  17 Aug 1981  C.L. Deeleman and P.R. Deeleman  RMNH 


 
 
 
 
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The Field Museum of Natural History, Chicago   George Washington University, Washington DC
 
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