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



            Male (PBI_OON 15293). Total length 1.12. CEPHALOTHORAX: Carapace yellow-brown, without any pattern, elongate oval 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 granulate, 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 absent; non-marginal pars thoracica setae absent; 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, pME just touching. ALE:0.43; PME:0.037; PLE:0.030, ALE largest, all eyes circular; posterior eye row straight from both above and 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 rugose, 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, sternum surface granulate; 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, same as sternum in sclerotization, endites 1 1/2 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 striated, sides striated, 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-brown, 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 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 pale orange; embolus light, prolateral excavation absent, bulbal tip with deep retrolateral impression and thin medially bent embolus.; 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 about as long as femur, enlarged, without prolateral row of ridges, setae unmodified; tibia trichobothria not examined; cymbium pale orange, ovoid 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 pale orange, 1 to 1.5 times as long as cymbium, slender, tapering apically.
Prethopalpus perak, male carapace, dorsal view (image by BB, specimen ID: ---15293)

prethperakmpcard15293BB.tif

Prethopalpus perak, male carapace, anterior view (image by BB, specimen ID: ---15293)

prethperakmpcara15293BB.tif

Prethopalpus perak, male carapace, lateral view (image by BB, specimen ID: ---15293)

prethperakmpcarl15293BB.tif

Prethopalpus perak, male habitus, dorsal view (image by BB, specimen ID: ---15293)

prethperakmphabd15293BB.tif

Prethopalpus perak, male habitus, lateral view (image by BB, specimen ID: ---15293)

prethperakmphabl15293BB.tif

Prethopalpus perak, male habitus, ventral view (image by BB, specimen ID: ---15293)

prethperakmphabv15293BB.tif

Prethopalpus perak, male palp, dorsal view (image by BB, specimen ID: ---15293)

prethperakmppald15293BB.tif

Prethopalpus perak, male palp, prolateral view (image by BB, specimen ID: ---15293)

prethperakmppalp15293BB.tif

Prethopalpus perak, male palp, retrolateral view (image by BB, specimen ID: ---15293)

prethperakmppalr15293BB.tif

Prethopalpus perak, male sternum, ventral view (image by BB, specimen ID: ---15293)

prethperakmpstev15293BB.tif

Prethopalpus perak, male palp, prolateral view (image by BB, specimen ID: ---15293)

prethperakmdpalp15293BB.tif

Prethopalpus perak, male palp, dorsal view (image by BB, specimen ID: ---15293)

prethperakmdpald15293BB.tif

Prethopalpus perak, male palp, retrolateral view (image by BB, specimen ID: ---15293)

prethperakmdpalr15293BB.tif


            Female (PBI_OON 12515). Total length 1.32. As in male except as noted. CEPHALOTHORAX: Eyes pME just touching. ALE:0.44; PME:0.033; PLE:0.030. Sternum sternum surface granulate. Endites anteromedian tip unmodified, endites 1 1/2 as long as wide.. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Postepigastric scutum not fused to epigastric scutum. LEGS: Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined.
Prethopalpus perak, female abdomen, dorsal view (image by BB, specimen ID: ---12515)

prethperakfpabdd12515BB.tif

Prethopalpus perak, female abdomen, ventral view (image by BB, specimen ID: ---12515)

prethperakfpabdv12515BB.tif

Prethopalpus perak, female carapace, anterior view (image by BB, specimen ID: ---12515)

prethperakfpcara12515BB.tif

Prethopalpus perak, female carapace, dorsal view (image by BB, specimen ID: ---12515)

prethperakfpcard12515BB.tif

Prethopalpus perak, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---12515)

prethperakfpepiv12515BB.tif

Prethopalpus perak, female carapace, lateral view (image by BB, specimen ID: ---12515)

prethperakfpcarl12515BB.tif

Prethopalpus perak, female habitus, lateral view (image by BB, specimen ID: ---11515)

prethperakfphabl11515BB.tif

Prethopalpus perak, female habitus, dorsal view (image by BB, specimen ID: ---11515)

prethperakfphabd11515BB.tif

Prethopalpus perak, female habitus, ventral view (image by BB, specimen ID: ---11515)

prethperakfphabv11515BB.tif

Prethopalpus perak, female sternum, ventral view (image by BB, specimen ID: ---12515)

prethperakfpstev12515BB.tif

 

DISTRIBUTION

MALAYSIA
Prethopalpus perak 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 Prethopalpus perak, 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 00015828  MALAYSIA  Perak  Cameron Highlands  Sungei Simei Falls  1 Adult Male      4.41666; 101.06666    25 Mar 1977  T. Jaccoud, P. Marcuard  MNVG 
PBI_OON 00015565  MALAYSIA  Perak    rain forest NE of Chenderiang  1 Adult Female    330  4.23333; 101.25000  rainforest  15 Jan 1995  P. Schwendinger  MNVG 
PBI_OON 00012515  MALAYSIA  Perak    Cascade de Sungei Simei, Cameron Highlands  1 Adult Female      4.78333; 101.61666  rainforest  25 Mar 1977  T. Jaccoud, P. Marcuard  MNVG 
PBI_OON 00015293  MALAYSIA  Perak    rainforest NE of Chenderiang  1 Adult Male  Holotype  290  4.23333; 101.25000  rainforest  22 Jan 1994  P. Schwendinger  MHNG 


 
 
 
 
The American Museum of Natural History, New York, in collaboration with
The California Academy of Sciences, San Francisco   The University of California, Berkeley
The Field Museum of Natural History, Chicago   George Washington University, Washington DC
 
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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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