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



            Male (PBI_OON 12745). Total length 2.47. CEPHALOTHORAX: Carapace red-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 cephalica setae present in u-shaped row with a longitudinal middle-row; non-marginal pars thoracica setae light, needle-like, hair tufts at posterolateral sides with needle-like hairs; 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 absent; setae present, light, needle-like. Chilum absent. Eyes six, well developed, ALE, PME subequal, larger than PLE, ALE oval, PME oval, PLE circular; 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, 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, lateral margins with indented extensions between coxae, with posterior hump, furrows between coxae I-II and II-III present. Posterior hump intended laterally; setae abundant, 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, promargin with row of flattened setae, 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, serrula present in single row, anteromedian tip unmodified, posteromedian part unmodified, same as sternum in sclerotization. ABDOMEN: without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly, between ovoid and globular; dorsum soft portions white, without color pattern. Book lung covers small, without setae, anterolateral edge unmodified, interaspecific variation: tiny, nearly not visible or small and elliptic, transitions available. Posterior spiracles connected by groove. Pedicel tube medium, ribbed, scuto-pedicel region with straight scutal ridge, scutum not extending far dorsal of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent, intraspecific variation: pedicel-tube unmodified or with small, rounded dorsal extensions; scuto-pedicel region with only one straight scutal ridge or an additional, only indicated, more dorsal, semicircular ridge. Dorsal scutum strongly sclerotized, red-brown, without color pattern, covering full length of abdomen, no soft tissue visible from above, not fused to epigastric scutum, anterior half without projecting denticles, finely punctate. Epigastric scutum strongly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum strongly sclerotized, red-brown, almost 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, plumose. Epigastric area setae uniform, light, plumose. Postepigastric area setae present, light, plumose. Spinneret scutum with fringe of long setae. Dense patch of setae anterior to spinnerets absent. Interscutal membrane with setae. Colulus represented only by setae. 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 specialized hairs on ventral apex of tibia III and IV with even hair-shaft and a bent, narrowing, plumose, hair tip, tarsi scopula present between claws. 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 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, dorsal appendage of similar length, adjacent to a third, slightly shorter, lamellar, ventral appendage, embolus-conductor-complex mesially bent in dorsal view, fitting into the continous transverse groove at anterior margin of sternum in rest; trochanter normal size, with ventral projection; femur normal size, two or more 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, extending beyond distal tip of bulb, plumose setae absent, without stout setae, without distal patch of setae, setae thickend, distally densified, hair tips apparently linearly cut; bulb pale orange, shorter than cymbium, stout, tapering apically, conical extension fairly pronounced, pointed or rounded.
Xestaspis biflocci, male carapace, anterior view (image by BE, specimen ID: ---12745)

xestabiflompcara12745BE.tif

Xestaspis biflocci, male carapace, dorsal view (image by BE, specimen ID: ---12745)

xestabiflompcard12745BE.tif

Xestaspis biflocci, male habitus, dorsal view (image by BE, specimen ID: ---12745)

xestabiflomphabd12745BE.tif

Xestaspis biflocci, male habitus, lateral view (image by BE, specimen ID: ---12745)

xestabiflomphabl12745BE.tif

Xestaspis biflocci, male habitus, ventral view (image by BE, specimen ID: ---12745)

xestabiflomphabv12745BE.tif

Xestaspis biflocci, male sternum, ventral view (image by BE, specimen ID: ---12745)

xestabiflompstev12745BE.tif

Xestaspis biflocci, male abdomen, anterior view (image by BE, specimen ID: ---12745)

xestabiflompabda12745BE.tif

Xestaspis biflocci, male booklung covers, lateral view (image by BE, specimen ID: ---12745)

xestabiflompbocl12745BE.tif

Xestaspis biflocci, male carapace, prolateral view (image by BE, specimen ID: ---12745)

xestabiflompcarp12745BE.tif

Xestaspis biflocci, male sternum, ventral view (image by BE, specimen ID: ---15817)

xestabiflompstev15817BE.tif

Xestaspis biflocci, male abdomen, anterior view (image by BE, specimen ID: ---15817)

xestabiflompabda15817BE.tif

Xestaspis biflocci, male booklung covers, lateral view (image by BE, specimen ID: ---15817)

xestabiflompbocl15817BE.tif

Xestaspis biflocci, male sternum, ventral view (image by BE, specimen ID: ---15223)

xestabiflompstev15223BE.tif

Xestaspis biflocci, male abdomen, anterior view (image by BE, specimen ID: ---15223)

xestabiflompabda15223BE.tif

Xestaspis biflocci, male booklung covers, lateral view (image by BE, specimen ID: ---15223)

xestabiflompbocl15223BE.tif

Xestaspis biflocci, male palp, right, modified, prolateral view (image by BE, specimen ID: ---12745)

xestabiflomdparp12745BE.tif

Xestaspis biflocci, male palp, right, modified, prolateral view (image by BE, specimen ID: ---12745)

xestabiflompparp12745BE.tif

Xestaspis biflocci, male palp, right, modified, prolateral view (image by BE, specimen ID: ---15223)

xestabiflomdparp15223BE.tif

Xestaspis biflocci, male palp, right, modified, prolateral view (image by BE, specimen ID: ---15817)

xestabiflomdparp15817BE.tif

Xestaspis biflocci, male tibia II, prolateral view (image by BE, specimen ID: ---12745)

xestabiflomsti2p12745BE.tif

Xestaspis biflocci, male sternum, ventral view (image by BE, specimen ID: ---12745)

xestabiflomsstev12745BE.tif

Xestaspis biflocci, male palp, prolateral view (image by BE, specimen ID: ---12745)

xestabiflomspalp12745BE.tif

Xestaspis biflocci, male embolus, prolateral view (image by BE, specimen ID: ---12745)

xestabiflomsembp12745BE.tif

Xestaspis biflocci, male embolus, dorsal view (image by BE, specimen ID: ---12745)

xestabiflomsembd12745BE.tif

Xestaspis biflocci, male abdomen, lateral view (image by BE, specimen ID: ---15475)

xestabiflomsabdl15475BE.tif

Xestaspis biflocci, male booklung covers, lateral view (image by BE, specimen ID: ---15745)

xestabiflomsbocl15745BE.tif

Xestaspis biflocci, male carapace, dorsal view (image by BE, specimen ID: ---12745)

xestabiflomscard12745BE.tif


            Female (PBI_OON 12745). Total length 2.78. As in male except as noted. CEPHALOTHORAX: Carapace non-marginal pars thoracica setae hair tufts at posterolateral sides with needle-like hairs. Sternum furrows between coxae I-II and II-III present. Posterior hump laterally intended. Mouthparts: paturon inner margin with scattered setae. Female palp claws absent; spines absent; tarsus unmodified. ABDOMEN: globular. Book lung covers booklung covers tiny, nearly not visible or small and elliptic, transitions available. Pedicel intraspecific variation: pedicel-tube unmodified or with small, rounded dorsal extensions; scuto-pedicel region with only one straight scutal ridge or an additional, only indicated, more dorsal, semicircular ridge. Dorsal scutum orange-brown, finely punctate. Epigastric scutum without lateral joints. Postepigastric scutum orange-brown, not fused to epigastric scutum. Colulus present. LEGS: tibiae specialized hairs on ventral apex of tibia III and IV with even hair-shaft and a bent, narrowing, plumose, hair tip. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria examined with Compound microscope.
Xestaspis biflocci, female abdomen, ventral view (image by BE, specimen ID: ---12745)

xestabiflofpabdv12745BE.tif

Xestaspis biflocci, female carapace, anterior view (image by BE, specimen ID: ---12745)

xestabiflofpcara12745Be.tif

Xestaspis biflocci, female habitus, dorsal view (image by BE, specimen ID: ---12745)

xestabiflofphabd12745BE.tif

Xestaspis biflocci, female habitus, ventral view (image by BE, specimen ID: ---12745)

xestabiflofphabv12745BE.tif

Xestaspis biflocci, female sternum, ventral view (image by BE, specimen ID: ---12745)

xestabiflofpstev12745BE.tif

Xestaspis biflocci, female habitus, lateral view (image by BE, specimen ID: ---12745)

xestabiflofphabl12745BE.tif

Xestaspis biflocci, female carapace, prolateral view (image by BE, specimen ID: ---12745)

xestabiflofpcarp12745BE.tif

Xestaspis biflocci, female abdomen, anterior view (image by BE, specimen ID: ---12745)

xestabiflofpabda12745BE.tif

Xestaspis biflocci, female booklung covers, lateral view (image by BE, specimen ID: ---12745)

xestabiflofpbocl12745BE.tif

Xestaspis biflocci, female sternum, ventral view (image by BE, specimen ID: ---12745)

xestabiflofpstev12745BE.jpg

Xestaspis biflocci, female epigynum, epigynal area, dorsal view (image by BE, specimen ID: ---12745)

xestabiflofpepid12745BE.tif

Xestaspis biflocci, female epigynum, epigynal area, dorsal view (image by BE, specimen ID: ---12745)

xestabiflofdepid12745BE.tif

Xestaspis biflocci, female epigynum, epigynal area, dorsal view (image by BE, specimen ID: ---15817)

xestabiflofdepid15817BE.tif

Xestaspis biflocci, female epigynum, epigynal area, posterior view (image by BE, specimen ID: ---15817)

xestabiflofdepiT15817BE.tif

Xestaspis biflocci, female epigynum, epigynal area, dorsal view (image by BE, specimen ID: ---15817)

xestabiflofpepid15817BE.tif

 

DISTRIBUTION

THAILAND
Xestaspis biflocci 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 Xestaspis biflocci, 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 00015223  THAILAND  Chiang Mai  Unknown  Suthep  1 Adult Male    1180  ;     30 Mar 1987  P. Schwendinger  MHNG 
PBI_OON 00016039  THAILAND  Kanchanaburi  Unknown  Sai Yok National Park, near Sai Yok Yai Waterfall  2 Adult Male    120  ;     14 Nov 2000  P. Schwendinger  MHNG 
PBI_OON 00012745  THAILAND  Kanchanaburi  Unknown  Sai Yok National Park, near Sai Yok Yai Waterfall  2 Adult Female    120  ;     14 Nov 2000  P. Schwendinger  MHNG 
PBI_OON 00012795  THAILAND  Kanchanaburi  Unknown  Sai Yok National Park, near Sai Yok Yai Waterfall  1 Adult Male    120  ;     24 Jan 1991  P. Schwendinger  MHNG 
PBI_OON 00012745  THAILAND  Kanchanaburi  Unknown  Sai Yok National Park, near Sai Yok Yai Waterfall  3 Adult Male    120  ;     14 Nov 2000  P. Schwendinger  MHNG 
PBI_OON 00016039  THAILAND  Kanchanaburi  Unknown  Sai Yok National Park, near Sai Yok Yai Waterfall  3 Adult Female    120  ;     14 Nov 2000  P. Schwendinger  MHNG 
PBI_OON 00012767  THAILAND  Krabi    Khao Phanom Bencha National Park  1 Adult Female  Paratype  145  ;   evergreen rain forest  11 Oct 1999  P. Schwendinger  NMBE 
PBI_OON 00016038  THAILAND  Phang Nga    Khao Lak National Park, Tone Chong Fa Fall  1 Adult Male  Holotype  200  8.66666; 98.30000  primary forest  06 Jan 1998  A. Schultz, K. Vock  MHNG 
PBI_OON 00015817  THAILAND  Phang Nga    Khao Lak National Park, Tone Chong Fa Fall  1 Adult Male    200  8.66666; 98.30000  primary forest  06 Jan 1998  A. Schultz, K. Vock  MHNG 
PBI_OON 00016036  THAILAND  Phang Nga    Khao Lak National Park, Tone Chong Fa Fall  1 Adult Male  Paratype  200  8.66666; 98.30000  primary forest  06 Jan 1998  A. Schultz, K. Vock  MHNG 
PBI_OON 00015341  THAILAND  Phang Nga    Near Tapan Cave  1 Adult Female    20  8.52072; 98.52825  limestone cliff  09 Sept 2004  P. Schwendinger  MHNG 
PBI_OON 00016037  THAILAND  Phang Nga    Khao Lak National Park, Tone Chong Fa Fall  1 Adult Female  Paratype  200  8.66666; 98.30000  primary forest  06 Jan 1998  A. Schultz, K. Vock  MHNG 
PBI_OON 00015817  THAILAND  Phang Nga    Khao Lak National Park, Tone Chong Fa Fall  1 Adult Female    200  8.66666; 98.30000  primary forest  06 Jan 1998  A. Schultz, K. Vock  MHNG 
PBI_OON 00031331  THAILAND  Phuket Island    Near Kathu Waterfall and Tone Sai Waterfall  1 Adult Female    75  ;   primary forest  22 Sept 1997  P. Schwendinger  MHNG 


 
 
 
 
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