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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Prethopalpus pahang       Get publication



            Male (PBI_OON 12123). Total length 1.22. CEPHALOTHORAX: Carapace yellow-brown, without any pattern, ovoid in dorsal view, pars cephalica slightly 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 granulate, 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 absent. Clypeus margin slightly rebordered, curved downwards in front view, sloping forward 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:0.050; PME:0.037; PLE:0.026, ALE largest, ALE oval, PME oval, PLE circular; posterior eye row recurved from above, straight from front; ALE separated by their radius to diameter, ALE-PLE separated by less than ALE radius, PME touching for less than half their length, PLE-PME separated by less than PME radius. Sternum longer than wide, yellow-brown, uniform, fused to carapace, median concavity absent, without radial furrows between coxae I-II, II-III, III-IV, radial furrow opposite coxae III absent, surface finely reticulate, without pits, microsculpture absent, sickle-shaped structures absent, anterior margin unmodified, posterior margin not extending posteriorly of coxae IV, anterior corner unmodified, lateral margin without infra-coxal grooves, distance between coxae approximately equal, extensions of pre-coxal triangles absent, lateral margins unmodified, without posterior hump; setae sparse, light, needle-like, densest laterally, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium yellow-brown. Chelicerae straight, 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, densest medially; paturon distal region unmodified, posterior surface unmodified, promargin unmodified, inner margin unmodified, laminate groove absent. Labium triangular, fused to sternum, anterior margin indented at middle, same as sternum in sclerotization; with 1 or 2 setae on anterior margin, subdistal portion with unmodified setae. Endites distally not excavated, serrula present in single row, anteromedian tip with one strong, tooth-like projection, posteromedian part unmodified, same as sternum in sclerotization, endites about 2 x as long as wide with tiny tooth-like projection.. 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 large, ovoid, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube short, ribbed, scuto-pedicel region unmodified, 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. Dorsal scutum weakly sclerotized, yellow-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 weakly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum weakly sclerotized, yellow-brown, long, almost rectangular, 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 stout setae. Dense patch of setae anterior to spinnerets absent. Interscutal membrane with setae. Colulus represented only by setae. LEGS: yellow, without color pattern; femur IV not thickened, same size as femora I-III, patella plus tibia I near as long as carapace, tibia I unmodified, tibia IV specialized hairs on ventral apex absent, tibia IV ventral scopula absent, metatarsi I and II meso-apical comb absent, metatarsi III and IV weak ventral scopula absent. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Tarsi I to IV without inferior claw. Trichobothria not examined. GENITALIA: Epigastric region with sperm pore small, oval, situated at level of anterior spiracles, unmodified; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments yellow; embolus light, prolateral excavation absent; trochanter normal size, unmodified; femur normal size, two or more times as long as trochanter, without posteriorly rounded lateral dilation, attaching to patella subbasally; patella shorter than femur, slightly larger than femur, without prolateral row of ridges, setae unmodified; tibia trichobothria not examined; cymbium yellow, narrow in dorsal view, not fused with bulb, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, without distal patch of setae; bulb yellow, 1 to 1.5 times as long as cymbium, slender, tapering apically, bulb pear-shaped, ventrally bulged, embolus long thin medially bent..
Prethopalpus pahang, male carapace, anterior view (image by BB, specimen ID: ---12123)

prethpahanmpcara12123BB.tif

Prethopalpus pahang, male carapace, dorsal view (image by BB, specimen ID: ---12123)

prethpahanmpcard12123BB.tif

Prethopalpus pahang, male habitus, dorsal view (image by BB, specimen ID: ---12123)

prethpahanmphabd12123BB.tif

Prethopalpus pahang, male palp, dorsal view (image by BB, specimen ID: ---12123)

prethpahanmppald12123BB.tif

Prethopalpus pahang, male palp, prolateral view (image by BB, specimen ID: ---12123)

prethpahanmppalp12123BB.tif

Prethopalpus pahang, male palp, retrolateral view (image by BB, specimen ID: ---12123)

prethpahanmppalr12123BB.tif

Prethopalpus pahang, male habitus, lateral view (image by BB, specimen ID: ---12123)

prethpahanmphabl12123BB.tif

Prethopalpus pahang, male carapace, lateral view (image by BB, specimen ID: ---12123)

prethpahanmpcarl12123BB.tif

Prethopalpus pahang, male habitus, ventral view (image by BB, specimen ID: ---12123)

prethpahanmphabv12123BB.tif

Prethopalpus pahang, male sternum, ventral view (image by BB, specimen ID: ---12123)

prethpahanmpstev12123BB.tif

Prethopalpus pahang, male palp, dorsal view (image by BB, specimen ID: ---12123)

prethpahanmdpald12123BB.tif

Prethopalpus pahang, male palp, prolateral view (image by BB, specimen ID: ---12123)

prethpahanmdpalp12123BB.tif

Prethopalpus pahang, male palp, retrolateral view (image by BB, specimen ID: ---12123)

prethpahanmdpalr12123BB.tif

 

DISTRIBUTION

MALAYSIA ; SINGAPORE
Prethopalpus pahang coordinates
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MATERIAL EXAMINED
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PBI USI Country State Division Locality Sex Type Status Elevation(m) GPS Coordinate Habitat Collection_Date Collector Inst. Code
PBI_OON 00012123  MALAYSIA  Pahang  Frasers Hill  S side  1 Adult Male  Holotype  1300  3.70000; 101.75000    26 Aug 2004  A. Schultz  MNVG 
PBI_OON 00012174  SINGAPORE  Singapore    Bukit Timah Nat. Res.  1 Adult Male    160  1.38333; 103.78333    16 Jul 2004  A. Schultz  MNVG 


 
 
 
 
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This material is based upon work supported by the National Science Foundation under Grant No. DEB 0613754. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.
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