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OONOPIDAE SPECIES DESCRIPTION
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Prethopalpus scanloni       Get publication



            Male (PBI_OON00046598). Total length 1.16. CEPHALOTHORAX: Carapace pale orange, without any pattern, ovoid in dorsal view, pars cephalica flat 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, smooth, without denticles; plumose setae near posterior margin of pars thoracica absent; non-marginal pars cephalica setae dark, needle-like, present in u-shaped row; non-marginal pars thoracica setae dark, needle-like; marginal setae absent. Clypeus margin slightly rebordered, straight in front view, sloping forward in lateral view; setae absent. Chilum absent. Eyes absent. Sternum as long as wide, pale orange, uniform, not fused to carapace, median concavity absent, without radial furrows between coxae I-II, II-III, III-IV, furrow smooth, radial furrow opposite coxae III absent, surface smooth, 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, dark, needle-like, densest laterally, originating from small pits, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae straight, anterior face with swelling; without teeth on both promargin and retromargin; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae dark, needle-like, densest medially; paturon inner margin with pairs of enlarged setae, distal region unmodified, posterior surface unmodified, promargin unmodified, inner margin unmodified, laminate groove absent. Labium triangular, not 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 twice as long as wide, directed medially. 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, unmodified, scuto-pedicel region unmodified, scutum absent, but abdomen not extending anterior of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent. Dorsal scutum absent. Epigastric scutum weakly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum absent. Spinneret scutum absent. Dorsum setae present, dark, needle-like. Epigastric area setae uniform, dark, needle-like. Postepigastric area setae present, dark, needle-like. Spinneret scutum without fringe of setae. Dense patch of setae anterior to spinnerets absent. 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 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 with inferior claw. Trichobothria not examined. GENITALIA: Epigastric region with sperm pore small, circular, 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; trochanter normal size, unmodified, sperm pore slightly protruded; femur normal size, two or more times as long as trochanter, without posteriorly rounded lateral dilation, attaching to patella subbasally; patella longer than femur, slightly larger than femur, without prolateral row of ridges, setae unmodified, patella basally narrow, ventrally only slightly bulged; 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, more than 2 times as long as cymbium, slender, middle part bulb ventrally rounded with narrow tip.
Prethopalpus scanloni, male carapace, dorsal view (image by BB, specimen ID: ---46598)

prethscanlmpcard46598BB.tif

Prethopalpus scanloni, male habitus, dorsal view (image by BB, specimen ID: ---46598)

prethscanlmphabd46598BB.tif

Prethopalpus scanloni, male carapace, lateral view (image by BB, specimen ID: ---46598)

prethscanlmpcarl46598BB.tif

Prethopalpus scanloni, male habitus, lateral view (image by BB, specimen ID: ---46598)

prethscanlmphabl46598BB.tif

Prethopalpus scanloni, male palp, dorsal view (image by BB, specimen ID: ---46598)

prethscanlmppald46598BB.tif

Prethopalpus scanloni, male palp, prolateral view (image by BB, specimen ID: ---46598)

prethscanlmppalp46598BB.tif

Prethopalpus scanloni, male palp, retrolateral view (image by BB, specimen ID: ---46598)

prethscanlmppalr46598BB.tif

Prethopalpus scanloni, male habitus, ventral view (image by BB, specimen ID: ---46598)

prethscanlmphabv46598BB.tif

Prethopalpus scanloni, male sternum, ventral view (image by BB, specimen ID: ---46598)

prethscanlmpstev46598BB.tif

Prethopalpus scanloni, male carapace, anterior view (image by BB, specimen ID: ---46598)

prethscanlmpcara46598BB.tif

 

DISTRIBUTION

AUSTRALIA
Prethopalpus scanloni 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 00046598  AUSTRALIA  Western Australia    Robe River Valley, c. 65 km SW. of Pannawonica, bore DBRC089  1 Adult Male  Holotype  -9  -21.73333; 115.76138  troglofauna  22 Sept 2010  J.S. Cocking, M.D. Scanion  WAMP 


 
 
 
 
The American Museum of Natural History, New York, in collaboration with
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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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