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OONOPIDAE SPECIES DESCRIPTION
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Xestaspis kandy       Get publication



            Male (PBI_OON 31918). Total length 2.38. CEPHALOTHORAX: Carapace 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 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, color orange-brown or red-brown, 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, u-shaped distribution in double row, with a longitudinal middle-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, 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, 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, lateral margins with indented extensions between coxae, without posterior hump, sternum posterior extension laterally indented. Large pits rather fused and narrow than droplike, row between coxae III-IV reduced but not absent; 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, same as sternum in sclerotization, anterior margin barely intended at middle; with 6 or more setae on anterior margin, subdistal portion with unmodified setae, subdistal portion with 6 needle-like, long 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, border elevated from surface; anterolateral edge unmodified or with 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, scutopedicel region with paired curved to straight scutal ridge in addition with an 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, color orang-brown or dark red-brown. 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 long setae. Dense patch of setae anterior to spinnerets absent. Interscutal membrane with 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 ventral apex of tibia III and IV with specialized hairs with even hair shaft and bent, narrowing, plumose hair tip, metatarsi dorsal apex of metatarsi I-IV 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; 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, 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 kandy, male palp, prolateral view (image by BE, specimen ID: ---31925)

xestakandymppalp31925BE.tif

Xestaspis kandy, male embolus, ventral view (image by BE, specimen ID: ---31925)

xestakandympembv31925BE.tif

Xestaspis kandy, male embolus, prolateral view (image by BE, specimen ID: ---31925)

xestakandymdembp31925BE.tif

Xestaspis kandy, male palp, prolateral view (image by BE, specimen ID: ---31925)

xestakandymdpalp31925BE.tif

Xestaspis kandy, male abdomen, anterior view (image by BE, specimen ID: ---31925)

xestakandympabda31925BE.tif

Xestaspis kandy, male abdomen, ventral view (image by BE, specimen ID: ---31925)

xestakandympabdv31925BE.tif

Xestaspis kandy, male booklung covers, lateral view (image by BE, specimen ID: ---31925)

xestakandympbocl31925BE.tif

Xestaspis kandy, male booklung covers, posterior view (image by BE, specimen ID: ---31925)

xestakandympbocT31925BE.tif

Xestaspis kandy, male carapace, anterior view (image by BE, specimen ID: ---31925)

xestakandympcara31925BE.tif

Xestaspis kandy, male carapace, dorsal view (image by BE, specimen ID: ---31925)

xestakandympcard31925BE.tif

Xestaspis kandy, male habitus, dorsal view (image by BE, specimen ID: ---31925)

xestakandymphabd31925BE.tif

Xestaspis kandy, male habitus, lateral view (image by BE, specimen ID: ---31925)

xestakandymphabl31925BE.tif

Xestaspis kandy, male habitus, ventral view (image by BE, specimen ID: ---31925)

xestakandymphabv31925BE.tif

Xestaspis kandy, male sternum, ventral view (image by BE, specimen ID: ---31925)

xestakandympstev31925BE.tif


            Female (PBI_OON 31918). Total length 2.70. As in male except as noted. CEPHALOTHORAX: Carapace color orange-brown or red-brown; non-marginal pars cephalica setae u-shaped distribution in double row, with a longitudinal middle-row. Sternum sternum posterior extension laterally indented. Large pits rather fused and narrow than droplike, row between coxae III-IV reduced but not absent. Labium anterior margin barely intended at middle; subdistal portion with 6 needle-like, long setae. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Book lung covers border elevated from surface; anterolateral edge unmodified or with tubercle. Pedicel scutopedicel region with paired curved to straight scutal ridge in addition with an upper, semicircular ridge.. Dorsal scutum color orange-brown or dark red-brown. Epigastric scutum without lateral joints. Postepigastric scutum not fused to epigastric scutum, color orang-brown or dark red-brown. Supra-anal scutum absent. LEGS: tibiae ventral apex of tibia III and IV with specialized hairs with even hair shaft and bent, narrowing, plumose hair tip, metatarsi dorsal apex of metatarsi I-IV 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 sac-like structure inside receptaculum, glandular duct lying dorsally of receptaculum narrow, shorter than 0.5 times the length of receptaculum, nub-field distributed widely along the glandular duct, receptaculum framed by wing-like, lateral sclerites and an anterior, transverse sclerite with attached nail-like structure. With lateral apodemes originating from the posterior spiracles.
Xestaspis kandy, female abdomen, dorsal view (image by BE, specimen ID: ---16022)

xestakandyfpabdd16022BE.tif

Xestaspis kandy, female abdomen, ventral view (image by BE, specimen ID: ---31918)

xestakandyfpabdv31918BE.tif

Xestaspis kandy, female booklung covers, lateral view (image by BE, specimen ID: ---16022)

xestakandyfpbocl16022BE.tif

Xestaspis kandy, female booklung covers, prolateral view (image by BE, specimen ID: ---16022)

xestakandyfpbocp16022BE.tif

Xestaspis kandy, female habitus, dorsal view (image by BE, specimen ID: ---16022)

xestakandyfphabd16022BE.tif

Xestaspis kandy, female habitus, lateral view (image by BE, specimen ID: ---16022)

xestakandyfphabl16022BE.tif

Xestaspis kandy, female sternum, ventral view (image by BE, specimen ID: ---31918)

xestakandyfpstev31918BE.tif

Xestaspis kandy, female abdomen, anterior view (image by BE, specimen ID: ---16022)

xestakandyfpabda16022BE.tif

Xestaspis kandy, female carapace, dorsal view (image by BE, specimen ID: ---16022)

xestakandyfpcard16022BE.tif

Xestaspis kandy, female epigynum, epigynal area, dorsal view (image by BE, specimen ID: ---15938)

xestakandyfdepid15938BE.tif

Xestaspis kandy, female epigynum, epigynal area, dorsal view (image by BE, specimen ID: ---15938)

xestakandyfpepid15938BE.tif

Xestaspis kandy, female carapace, dorsal view (image by BE, specimen ID: ---31918)

xestakandyfpcard31918BE.tif

Xestaspis kandy, female carapace, posterior view (image by BE, specimen ID: ---31918)

xestakandyfpcarT31918BE.tif

Xestaspis kandy, female habitus, ventral view (image by BE, specimen ID: ---31918)

xestakandyfphabv31918BE.tif

 

DISTRIBUTION

SRI LANKA
Xestaspis kandy 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 00031918  SRI LANKA  Kandy    Kandy  1 Adult Male  Holotype    ;     07 Aug 1981  C.L. Deeleman and P.R. Deeleman  RMNH 
PBI_OON 00031412  SRI LANKA  Kandy    Kandy  1 Adult Male  Paratype    ;     07 Aug 1981  C.L. Deeleman and P.R. Deeleman  RMNH 
PBI_OON 00031413  SRI LANKA  Kandy    Kandy  1 Adult Female  Paratype    ;     07 Aug 1981  C.L. Deeleman and P.R. Deeleman  RMNH 
PBI_OON 00031445  SRI LANKA      Horton Plains  1 Adult Male  Paratype  2200  ;   forest, forest litter  13 Aug 1981  Deeleman, Christa  RMNH 
PBI_OON 00031925  SRI LANKA      Horton Plains  1 Adult Male  Paratype  2200  ;   forest, forest litter  13 Aug 1981  Deeleman, Christa  RMNH 
PBI_OON 00031446  SRI LANKA      Horton Plains  1 Adult Male  Paratype  2200  ;   forest, forest litter  13 Aug 1981  Deeleman, Christa  NMBE 
PBI_OON 00015938  SRI LANKA  Nuwara Eliya    Path to Pidurutalagalla  1 Adult Female      ;   forest, forest litter  17 Sept 1972  P. Lehtinen, A. Withanage, N. Wickremasinghe  MZUT 
PBI_OON 00015853  SRI LANKA  Nuwara Eliya    Path to Pidurutalagalla  1 Adult Male      ;   forest, forest litter  17 Sept 1972  P. Lehtinen, A. Withanage, N. Wickremasinghe  MZUT 


 
 
 
 
The American Museum of Natural History, New York, in collaboration with
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The Field Museum of Natural History, Chicago   George Washington University, Washington DC
 
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