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OONOPIDAE SPECIES DESCRIPTION
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Opopaea nitens       Get publication



            Male (PBI_OON 20190). Total length 1.23. 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, 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 light, 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, light, needle-like. Chilum absent. Eyes six, well developed, aLE:0.057; PME:0.051; PLE:0.038, ALE largest, ALE circular, PME squared, PLE circular; posterior eye row straight from both above and front; ALE separated by less than their radius, ALE-PLE touching, PME touching throughout most of their length, PLE-PME touching. Sternum longer than wide, pale orange, uniform, not fused to carapace, median concavity absent, without radial furrows between coxae I-II, II-III, III-IV, 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, sternum nearly heart-shaped, radial furrows absent; setae sparse, light, needle-like, densest laterally, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. 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 twice as long as wide. 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, with small, dorsolateral, triangular extensions, scuto-pedicel region with widely oval scutal ridge, 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, triangular extensions tiny. Dorsal scutum weakly sclerotized, pale orange, 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, pale orange, long, almost rectangular, covering nearly full length of abdominal length, fused to epigastric scutum, anterior margin unmodified, without posteriorly directed lateral apodemes, without 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 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, circular, situated at level of anterior spiracles, unmodified; furrow without omega-shaped insertions, without setae. Palp normal size, strongly sclerotized, right and left palps symmetrical, proximal segments pale orange; embolus dark, 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 about as long as femur, slightly larger than femur, without prolateral row of ridges, setae unmodified, patella 0.132 long, 0.092 wide , connection to femur at 0.043; tibia trichobothria not examined; cymbium pale orange, ovoid in dorsal view, completely fused with bulb, no seam visible, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, with distal patch of setae, a slight horizontal seam between cymbium and bulb; bulb pale orange, 1 to 1.5 times as long as cymbium, slender, tapering apically, bulb cylindrical with thin meially bet tip and small prolateral tooth.
Opopaea nitens, male carapace, dorsal view (image by BB, specimen ID: ---20190)

opopanitenmpcard20190BB.tif

Opopaea nitens, male habitus, dorsal view (image by BB, specimen ID: ---20190)

opopanitenmphabd20190BB.tif

Opopaea nitens, male palp, retrolateral view (image by BB, specimen ID: ---20190)

opopanitenmppalr20190BB.tif

Opopaea nitens, male habitus, lateral view (image by BB, specimen ID: ---20190)

opopanitenmphabl20190BB.tif

Opopaea nitens, male carapace, lateral view (image by BB, specimen ID: ---20190)

opopanitenmpcarl20190BB.tif

Opopaea nitens, male palp, dorsal view (image by BB, specimen ID: ---20190)

opopanitenmppald20190BB.tif

Opopaea nitens, male habitus, ventral view (image by BB, specimen ID: ---20190)

opopanitenmphabv20190BB.tif

Opopaea nitens, male palp, prolateral view (image by BB, specimen ID: ---20190)

opopanitenmppalp20190BB.tif

Opopaea nitens, male sternum, ventral view (image by BB, specimen ID: ---20190)

opopanitenmpstev20190BB.tif

Opopaea nitens, male carapace, anterior view (image by BB, specimen ID: ---20190)

opopanitenmpcara20190BB.tif

Opopaea nitens, male abdomen, anterior view (image by BB, specimen ID: ---20190)

opopanitenmpabda20190BB.tif

Opopaea nitens, male carapace, prolateral view (image by BB, specimen ID: ---20190)

opopanitenmpcarp20190BB.tif

Opopaea nitens, male abdomen, ventral view (image by BB, specimen ID: ---07763)

OPOPANITENmsabdv07763BB.tif

Opopaea nitens, male embolus, prolateral view (image by BB, specimen ID: ---07763)

OPOPANITENmsembp07763BB.tif

Opopaea nitens, male labium, ventral view (image by BB, specimen ID: ---07763)

OPOPANITENmslabv07763BB.tif

Opopaea nitens, male palp, dorsal view (image by BB, specimen ID: ---07763)

OPOPANITENmspald07763BB.tif

Opopaea nitens, male palp, prolateral view (image by BB, specimen ID: ---07763)

OPOPANITENmspalp07763BB.tif

Opopaea nitens, male sperm pore, ventral view (image by BB, specimen ID: ---07763)

OPOPANITENmsspov07763BB.tif

Opopaea nitens, male sternum, ventral view (image by BB, specimen ID: ---07763)

OPOPANITENmsstev07763BB.tif

Opopaea nitens, male spinnerets, prolateral view (image by BB, specimen ID: ---07763)

OPOPANITENmsspip07763BB.tif


            Female (PBI_OON 7737). Total length 1.33. As in male except as noted. CEPHALOTHORAX: Eyes aLE:0.050; PME:0.054; PLE:0.038; ALE separated by their radius to diameter. Sternum sternum nearly heart-shaped, radial furrows shallow. Endites endites twice as long as wide. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Pedicel triangular extensions tiny. 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.
Opopaea nitens, female abdomen, anterior view (image by BB, specimen ID: ---07737)

OPOPANITENfpabda07737BB.tif

Opopaea nitens, female carapace, anterior view (image by BB, specimen ID: ---07737)

OPOPANITENfpcara07737BB.tif

Opopaea nitens, female carapace, dorsal view (image by BB, specimen ID: ---07737)

OPOPANITENfpcard07737BB.tif

Opopaea nitens, female carapace, lateral view (image by BB, specimen ID: ---07737)

OPOPANITENfpcarl07737BB.tif

Opopaea nitens, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---07737)

OPOPANITENfpepiv07737BB.tif

Opopaea nitens, female habitus, dorsal view (image by BB, specimen ID: ---07737)

OPOPANITENfphabd07737BB.tif

Opopaea nitens, female habitus, lateral view (image by BB, specimen ID: ---07737)

OPOPANITENfphabl07737BB.tif

Opopaea nitens, female habitus, ventral view (image by BB, specimen ID: ---07737)

OPOPANITENfphabv07737BB.tif

Opopaea nitens, female sternum, ventral view (image by BB, specimen ID: ---07737)

OPOPANITENfpstev07737BB.tif

 

DISTRIBUTION

AUSTRALIA
Opopaea nitens 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 00020190  AUSTRALIA  New South Wales    Sturt National Park  1 Adult Male  Allotype    -29.08950; 141.86716    26 Sept 1997  M. Dangerfield  AM 
PBI_OON 00007737  AUSTRALIA  New South Wales    Sturt National Park  1 Adult Female  Holotype    -29.27100; 142.28816    23 Sept 1997  M. Henery  AM 
PBI_OON 00007736  AUSTRALIA  New South Wales    Sturt National Park  1 Adult Female      -29.27600; 142.15316    25 Sept 1997  M. Gillings  AM 
PBI_OON 00007740  AUSTRALIA  New South Wales    Sturt National Park  1 Adult Male      -29.27600; 142.15316    25 Sept 1997  M. Henery  AM 


 
 
 
 
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