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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Opopaea robusta       Get publication



            Male (PBI_OON 4501). Total length 1.49. 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 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 striated, 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, stout, present, scattered, with strong, stout setae; non-marginal pars thoracica setae dark, stout; 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: 0.071; PME: 0.085; PLE: 0.059, PME largest, ALE oval, PME squared, PLE circular; posterior eye row straight from both above and front; ALE touching, ALE-PLE touching, PME touching throughout most of their length, PLE-PME touching. Sternum as long as wide, orange-brown, uniform, fused to carapace, median concavity absent, with radial furrows between coxae I-II, II-III, III-IV, furrow with rows of small pits, radial furrow opposite coxae III absent, surface smooth, without pits, microsculpture only in furrows, sickle-shaped structures absent, anterior margin unmodified, posterior margin not extending posteriorly of coxae IV, anterior corner unmodified, lateral margin with infra-coxal grooves and anterior and posterior openings, distance between coxae approximately equal, extensions of pre-coxal triangles absent, lateral margins unmodified, without posterior hump; setae abundant, dark, needle-like, evenly scattered, originating from small pits, without hair tufts. Mouthparts: Chelicerae, endites and labium orange-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 dark, needle-like, evenly scattered; 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. ABDOMEN: globular, without long posterior extension, pointed posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly; dorsum soft portions white, without color pattern. Book lung covers small, ovoid, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube short, with small, dorsolateral, triangular extensions, scuto-pedicel region unmodified, scutum extending far dorsal of pedicel, plumose hairs lateral of pedicel, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent, scuto pedicel region high, about 1 diameter of pedicel without scutal ridges an pedicel without triangular lateral extensions. 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 smooth, sides smooth, anterior half without projecting denticles. 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. 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: 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 dark, prolateral excavation present; trochanter normal size, unmodified; femur normal size, two or more times as long as trochanter, without posteriorly rounded lateral dilation, attaching to patella medially; patella longer than femur, much larger than femur, without prolateral row of ridges, setae unmodified, patella orange brown, 0.317 long, 0.164 wide, connection to femur at 0.56; 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, covered with plumose setae, without stout setae, without distal patch of setae; bulb orange-brown, 1 to 1.5 times as long as cymbium, slender, tapering apically, bulb ventrally slightly bulged, tip prolaterally spatulate with striated ridge and small incision, fenestra opposite incision..
Opopaea robusta, male abdomen, anterior view (image by BB, specimen ID: ---04501)

OPOPAROBUSmpabda04501BB.tif

Opopaea robusta, male carapace, anterior view (image by BB, specimen ID: ---04501)

OPOPAROBUSmpcara04501BB.tif

Opopaea robusta, male carapace, dorsal view (image by BB, specimen ID: ---04501)

OPOPAROBUSmpcard04501BB.tif

Opopaea robusta, male carapace, prolateral view (image by BB, specimen ID: ---04501)

OPOPAROBUSmpcarp04501BB.tif

Opopaea robusta, male habitus, dorsal view (image by BB, specimen ID: ---04501)

OPOPAROBUSmphabd04501BB.tif

Opopaea robusta, male habitus, lateral view (image by BB, specimen ID: ---04501)

OPOPAROBUSmphabl04501BB.tif

Opopaea robusta, male habitus, ventral view (image by BB, specimen ID: ---04501)

OPOPAROBUSmphabv04501BB.tif

Opopaea robusta, male palp, dorsal view (image by BB, specimen ID: ---04501)

OPOPAROBUSmppald04501BB.tif

Opopaea robusta, male palp, prolateral view (image by BB, specimen ID: ---04501)

OPOPAROBUSmppalp04501BB.tif

Opopaea robusta, male palp, retrolateral view (image by BB, specimen ID: ---04501)

OPOPAROBUSmppalr04501BB.tif

Opopaea robusta, male abdomen, anterior view (image by BB, specimen ID: ---23627)

OPOPAROBUSmsabda23627BB.tif

Opopaea robusta, male endites, ventral view (image by BB, specimen ID: ---23627)

OPOPAROBUSmsendv23627BB.tif

Opopaea robusta, male abdomen, ventral view (image by BB, specimen ID: ---23627)

OPOPAROBUSmsabdv23627BB.tif

Opopaea robusta, male palp, dorsal view (image by BB, specimen ID: ---23627)

OPOPAROBUSmspald23627BB.tif

Opopaea robusta, male palp, prolateral view (image by BB, specimen ID: ---23627)

OPOPAROBUSmspalp23627BB.tif

Opopaea robusta, male sternum, ventral view (image by BB, specimen ID: ---23627)

OPOPAROBUSmsstev23627BB.tif


            Female (PBI_OON 48262). Total length 1.78. As in male except as noted. CEPHALOTHORAX: Carapace non-marginal pars cephalica setae with strong, stout setae. Eyes aLE: 0.074; PME: 0.074; PLE: 0.059, ALE, PME subequal, larger than PLE. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Pedicel unmodified, paired scutal ridges absent. Epigastric scutum without lateral joints. 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 robusta, female abdomen, anterior view (image by BB, specimen ID: ---48262)

OPOPAROBUSfpabda48262BB.tif

Opopaea robusta, female abdomen, ventral view (image by BB, specimen ID: ---48262)

OPOPAROBUSfpabdv48262BB.tif

Opopaea robusta, female carapace, anterior view (image by BB, specimen ID: ---48262)

OPOPAROBUSfpcara48262BB.tif

Opopaea robusta, female carapace, prolateral view (image by BB, specimen ID: ---48262)

OPOPAROBUSfpcarp48262BB.tif

Opopaea robusta, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---48262)

OPOPAROBUSfpepiv48262BB.tif

Opopaea robusta, female habitus, dorsal view (image by BB, specimen ID: ---48262)

OPOPAROBUSfphabd48262BB.tif

Opopaea robusta, female habitus, lateral view (image by BB, specimen ID: ---48262)

OPOPAROBUSfphabl48262BB.tif

Opopaea robusta, female habitus, ventral view (image by BB, specimen ID: ---48262)

OPOPAROBUSfphabv48262BB.tif

Opopaea robusta, female epigynum, epigynal area, dorsal view (image by BB, specimen ID: ---48262)

OPOPAROBUSfpepid48262BB.tif

 

DISTRIBUTION

AUSTRALIA
Opopaea robusta coordinates
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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 00023626  AUSTRALIA  Western Australia    Barrow Island, WAPET Camp  1 Adult Male      -20.82860; 115.44440    05 Nov 1993  Harvey, M.S., Waldock, J.M.  WAMP 
PBI_OON 00017776  AUSTRALIA  Western Australia    Barrow Island, Chevron Texaco Camp  1 Adult Male      -20.82861; 115.44333    17 May 2005  S. Callan  WAMP 
PBI_OON 00023627  AUSTRALIA  Western Australia    Barrow Island, near Terminal Tank along pipeline road, site TLN12  1 Adult Male      -20.77806; 115.45527    20 Nov 2003  Teale, R., Harold, G.  WAMP 
PBI_OON 00023627  AUSTRALIA  Western Australia    Barrow Island, near Terminal Tank along pipeline road, site TLN12  1 Adult Female      -20.77806; 115.45527    20 Nov 2003  Teale, R., Harold, G.  WAMP 
PBI_OON 00048262  AUSTRALIA  Western Australia  Pilbara  Phyton Pool, 5 km WSW  1 Adult Female  Allotype    -21.34111; 117.18833    08 May 2004  CALM Pilbara Survey  WAMP 
PBI_OON 00005095  AUSTRALIA  Western Australia  Pilbara  Wodgina, 20 km ENE  1 Adult Male      -21.11472; 118.85166    23 Sept 2005  CALM Pilbara Survey  WAMP 
PBI_OON 00004501  AUSTRALIA  Western Australia  Pilbara  Phyton Pool, 5 km WSW  1 Adult Male  Holotype    -21.34111; 117.18833    08 May 2004  CALM Pilbara Survey  WAMP 
PBI_OON 00004493  AUSTRALIA  Western Australia  Pilbara  Marda Pool, 7 km SE  1 Adult Female      -21.06972; 116.20666    25 Sept 2003  CALM Pilbara Survey  WAMP 
PBI_OON 00048265  AUSTRALIA  Western Australia  Pilbara  Mt Billroth, 12km ESE  1 Adult Female      -21.66250; 117.70472    05 May 2004  CALM Pilbara Survey  WAMP 
PBI_OON 00004491  AUSTRALIA  Western Australia  Pilbara  Millstream, 1.2 km SSE  1 Adult Female      -21.60416; 117.07750    14 Jul 2003  CALM Pilbara Survey  WAMP 
PBI_OON 00004492  AUSTRALIA  Western Australia  Pilbara  Whim Creek Hotel, 46 km NNE  1 Adult Female      -20.47555; 117.99527    09 Jul 2003  CALM Pilbara Survey  WAMP 


 
 
 
 
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