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OONOPIDAE SPECIES DESCRIPTION
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Opopaea martini       Get publication



            Male (PBI_OON 20576). Total length 2.59. CEPHALOTHORAX: Carapace orange-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 angular 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 striated, thorax without depressions, fovea absent, sides weakly striated, 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 dark, needle-like, present in u-shaped row; non-marginal pars thoracica setae dark, needle-like; marginal setae dark, needle-like. Clypeus margin slightly rebordered, curved downwards in front view, vertical in lateral view, high, ALE separated from edge of carapace by their radius or more, median projection absent; setae present, dark, needle-like. Chilum absent. Eyes six, well developed, aLE:0.089; PME:0.093; PLE0.075, PME largest, all eyes circular; posterior eye row recurved from above, straight from front; ALE separated by more than their diameter, ALE-PLE separated by less than ALE radius, PME separated by less than their radius, PLE-PME separated by less than PME radius. Sternum as long as wide, orange-brown, uniform, 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, distance between coxae approximately equal, extensions of pre-coxal triangles absent, lateral margins unmodified, without posterior hump, radial furrows weak and shallow; setae sparse, dark, needle-like, densest laterally, originating from small pits, without hair tufts. Mouthparts: Chelicerae, endites and labium orange-brown. 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 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 3-5 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. ABDOMEN: ovoid, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets present posteriorly; dorsum soft portions white, without color pattern. Book lung covers large, elliptical, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube medium, ribbed, scuto-pedicel region unmodified, scutum extending far dorsal of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent, pedicel tube without dorsolateral, triangular extensions and without scutal ridges. Dorsal scutum strongly sclerotized, orange-brown, 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, whole body bright orange. Epigastric scutum strongly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum strongly sclerotized, orange-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, supra-anal scutum a small plate. Dorsum setae present, dark, needle-like. Epigastric area setae uniform, dark, needle-like. Postepigastric area setae present, dark, 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: orange-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, rebordered; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments orange-brown; 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 medially, femur attachment medially; patella longer than femur, much larger than femur, without prolateral row of ridges, setae unmodified, 0.361 long, 0.215 wide, connection to femur at 0.52.; tibia trichobothria not examined; cymbium orange-brown, ovoid in dorsal view, completely fused with bulb, no seam visible, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, without distal patch of setae; bulb orange-brown, 1 to 1.5 times as long as cymbium, stout, tapering apically, bulb compact, ventrally strongly bulged, completely fused to cymbium, with dorsal patch of plumose setae with suddenly narrowed, medially bent tip.
Opopaea martini, male carapace, dorsal view (image by BB, specimen ID: ---20576)

opopamartimpcard20576BB.tif

Opopaea martini, male carapace, lateral view (image by BB, specimen ID: ---20576)

opopamartimpcarl20576BB.tif

Opopaea martini, male habitus, dorsal view (image by BB, specimen ID: ---20576)

opopamartimphabd20576BB.tif

Opopaea martini, male habitus, lateral view (image by BB, specimen ID: ---20576)

opopamartimphabl20576BB.tif

Opopaea martini, male palp, dorsal view (image by BB, specimen ID: ---20576)

opopamartimppald20576BB.tif

Opopaea martini, male abdomen, lateral view (image by BB, specimen ID: ---20576)

opopamartimpabdl20576BB.tif

Opopaea martini, male habitus, ventral view (image by BB, specimen ID: ---20576)

opopamartimphabv20576BB.tif

Opopaea martini, male palp, prolateral view (image by BB, specimen ID: ---20576)

opopamartimppalp20576BB.tif

Opopaea martini, male palp, retrolateral view (image by BB, specimen ID: ---20576)

opopamartimppalr20576BB.tif

Opopaea martini, male abdomen, anterior view (image by BB, specimen ID: ---20576)

opopamartimpabda20576BB.tif

Opopaea martini, male abdomen, ventral view (image by BB, specimen ID: ---20576)

opopamartimpabdv20576BB.tif

Opopaea martini, male carapace, anterior view (image by BB, specimen ID: ---20576)

opopamartimpcara20576BB.tif

Opopaea martini, male carapace, prolateral view (image by BB, specimen ID: ---20576)

opopamartimpcarp20576BB.tif

Opopaea martini, male sternum, ventral view (image by BB, specimen ID: ---20576)

opopamartimpstev20576BB.tif

Opopaea martini, male abdomen, prolateral view (image by BB, specimen ID: ---20576)

opopamartimpabdp20576BB.tif

Opopaea martini, male bulb, prolateral view (image by BB, specimen ID: ---20576)

opopamartimsbulp20576BB.tif

Opopaea martini, male embolus, dorsal view (image by BB, specimen ID: ---20576)

opopamartimsembd20576BB.tif

Opopaea martini, male palp, prolateral view (image by BB, specimen ID: ---20576)

opopamartimspalp20576BB.tif

Opopaea martini, male embolus, prolateral view (image by BB, specimen ID: ---20576)

opopamartimsembp20576BB.tif

Opopaea martini, male palp, dorsal view (image by BB, specimen ID: ---20576)

opopamartimspald20576BB.tif

Opopaea martini, male tarsal organ, palp, dorsal view (image by BB, specimen ID: ---20576)

opopamartimstopd20576BB.tif


            Female (PBI_OON 7628). Total length 1.95. As in male except as noted. CEPHALOTHORAX: Carapace with rounded posterolateral corners, high-shouldered; non-marginal pars cephalica setae stout; non-marginal pars thoracica setae stout. Clypeus straight in front view. Eyes aLE: 0.064; PME:0.075; PLE:0.64; ALE-PLE separated by ALE radius to ALE diameter, PME touching for less than half their length. Sternum longer than wide, lateral margin without infra-coxal grooves, radial furrows shallow, barely visible; setae evenly scattered. Mouthparts: Chelicerae anterior face unmodified. Labium with 1 or 2 setae on anterior margin. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: inter-scutal membrane rows of small sclerotized platelets absent posteriorly. Book lung covers ovoid. Pedicel tube short, triangular extensions and paired scutal ridges absent. Postepigastric scutum not fused to epigastric scutum. Dorsum setae light. Epigastric area light. Postepigastric area setae light. LEGS: pale orange. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined.
Opopaea martini, female abdomen, anterior view (image by BB, specimen ID: ---07628)

opopamartifpabda07628BB.tif

Opopaea martini, female abdomen, ventral view (image by BB, specimen ID: ---07628)

opopamartifpabdv07628BB.tif

Opopaea martini, female carapace, anterior view (image by BB, specimen ID: ---07628)

opopamartifpcara07628BB.tif

Opopaea martini, female carapace, dorsal view (image by BB, specimen ID: ---07628)

opopamartifpcard07628BB.tif

Opopaea martini, female carapace, lateral view (image by BB, specimen ID: ---07628)

opopamartifpcarl07628BB.tif

Opopaea martini, female carapace, prolateral view (image by BB, specimen ID: ---07628)

opopamartifpcarp07628BB.tif

Opopaea martini, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---07628)

opopamartifpepiv07628BB.tif

Opopaea martini, female habitus, dorsal view (image by BB, specimen ID: ---07628)

opopamartifphabd07628BB.tif

Opopaea martini, female habitus, dorsal view (image by BB, specimen ID: ---l7628)

opopamartifphabdl7628BB.tif

Opopaea martini, female habitus, ventral view (image by BB, specimen ID: ---07628)

opopamartifphabv07628BB.tif

Opopaea martini, female sternum, ventral view (image by BB, specimen ID: ---07628)

opopamartifpstev07628BB.tif

 

DISTRIBUTION

AUSTRALIA
Opopaea martini 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 00020201  AUSTRALIA  New South Wales    23.5km N of Mulwala, 'Savernake' Stn  1 Adult Male      -35.77416; 146.02433    01 Jan 1900  D. Freudenberger  AM 
PBI_OON 00020576  AUSTRALIA  New South Wales    Lower Murray-Darling region, Boree Plains Station  1 Adult Male  Holotype    -33.63916; 143.38933    01 Oct 1998  Mathew Le Breton  AM 
PBI_OON 00007562  AUSTRALIA  New South Wales    Coleambally Irrigation Area  1 Adult Male      -34.70250; 146.04200    28 Apr 1999  Lance Wilkie  AM 
PBI_OON 00007628  AUSTRALIA  New South Wales    Boona State Forest  1 Adult Female  Allotype    -34.72050; 145.99316    15 Dec 1998  L. Wilkie, S. Priday  AM 


 
 
 
 
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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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