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OONOPIDAE SPECIES DESCRIPTION
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Opopaea marangaroo       Get publication



            Male (PBI_OON 18033). Total length 1.46. CEPHALOTHORAX: Carapace pale orange, without any pattern, ovoid 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 smooth, sides striated, thorax without depressions, fovea absent, without radiating rows of pits; lateral margin straight, rebordered, with blunt 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, 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, aLE:0.074; PME: 0.067; PLE: 0.046, ALE largest, ALE circular, PME oval, PLE circular; posterior eye row straight from both above and front; ALE separated by less than their radius, ALE-PLE touching, PME touching for less than half their length, PLE-PME touching. Sternum longer than wide, pale orange, 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 present, lateral margins unmodified, without posterior hump; setae abundant, 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, evenly scattered; paturon distal region unmodified, posterior surface unmodified, promargin unmodified, inner margin unmodified, laminate groove present. 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. 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 paired curved scutal ridges, 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, scuto/pedicel areae about diameter of pdicel, paired scutal ridges nearly straight, not connected at middle.. Dorsal scutum weakly sclerotized, pale orange, without color pattern, covering full length of abdomen, no soft tissue visible from above, 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, semicircular, covering nearly full length of abdominal length, fused to epigastric scutum, anterior margin unmodified, with long posteriorly directed lateral apodemes, small area of pores with thin setae between 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, 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 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, palpal patella 0.295 long, 0.160 wide, connection to femur at 0.52.; 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, covered with plumose setae, without stout setae, without distal patch of setae; bulb pale orange, 1 to 1.5 times as long as cymbium, slender, tapering apically, cymbium covered with a small patch of more slender plumose setae with acute tip, bulb ventrally strongly bulged, dorsally with retrolateral directed spike, tip broad, with a striated fanned patch and prolateral folds, fentestra narrow.
Opopaea marangaroo, male abdomen, anterior view (image by BB, specimen ID: ---18033)

OPOPAMARANmpabda18033BB.tif

Opopaea marangaroo, male abdomen, ventral view (image by BB, specimen ID: ---18033)

OPOPAMARANmpabdv18033BB.tif

Opopaea marangaroo, male carapace, anterior view (image by BB, specimen ID: ---18033)

OPOPAMARANmpcara18033BB.tif

Opopaea marangaroo, male carapace, prolateral view (image by BB, specimen ID: ---18033)

OPOPAMARANmpcarp18033BB.tif

Opopaea marangaroo, male habitus, lateral view (image by BB, specimen ID: ---18033)

OPOPAMARANmphabl18033BB.tif

Opopaea marangaroo, male habitus, dorsal view (image by BB, specimen ID: ---18033)

OPOPAMARANmphabd18033BB.tif

Opopaea marangaroo, male palp, dorsal view (image by BB, specimen ID: ---18033)

OPOPAMARANmppald18033BB.tif

Opopaea marangaroo, male palp, prolateral view (image by BB, specimen ID: ---18033)

OPOPAMARANmppalp18033BB.tif

Opopaea marangaroo, male palp, retrolateral view (image by BB, specimen ID: ---18033)

OPOPAMARANmppalr18033BB.tif

Opopaea marangaroo, male sternum, ventral view (image by BB, specimen ID: ---18033)

OPOPAMARANmpstev18033BB.tif

Opopaea marangaroo, male abdomen, ventral view (image by BB, specimen ID: ---23636)

OPOPAMARANmsabdv23636BB.tif

Opopaea marangaroo, male endites, ventral view (image by BB, specimen ID: ---23636)

OPOPAMARANmsendv23636BB.tif

Opopaea marangaroo, male palp, dorsal view (image by BB, specimen ID: ---23636)

OPOPAMARANmspald23636BB.tif

Opopaea marangaroo, male palp, prolateral view (image by BB, specimen ID: ---23636)

OPOPAMARANmspalp23636BB.tif

Opopaea marangaroo, male sternum, ventral view (image by BB, specimen ID: ---23636)

OPOPAMARANmsstev23636BB.tif


            Female (PBI_OON 23637). Total length 1.55. As in male except as noted. CEPHALOTHORAX: Eyes aLE:0.059; PME: 0.057; PLE: 0.042. Sternum furrow with row of large pits. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Pedicel scuto/pedicel areae about diameter of pdicel, paired scutal ridges nearly straight, connected at middle.. 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 marangaroo, female abdomen, anterior view (image by BB, specimen ID: ---23637)

OPOPAMARANfpabda23637BB.tif

Opopaea marangaroo, female abdomen, ventral view (image by BB, specimen ID: ---23637)

OPOPAMARANfpabdv23637BB.tif

Opopaea marangaroo, female carapace, prolateral view (image by BB, specimen ID: ---23637)

OPOPAMARANfpcarp23637BB.tif

Opopaea marangaroo, female carapace, anterior view (image by BB, specimen ID: ---23637)

OPOPAMARANfpcara23637BB.tif

Opopaea marangaroo, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---23637)

OPOPAMARANfpepiv23637BB.tif

Opopaea marangaroo, female habitus, dorsal view (image by BB, specimen ID: ---23637)

OPOPAMARANfphabd23637BB.tif

Opopaea marangaroo, female habitus, lateral view (image by BB, specimen ID: ---23637)

OPOPAMARANfphabl23637BB.tif

Opopaea marangaroo, female sternum, ventral view (image by BB, specimen ID: ---23637)

OPOPAMARANfpstev23637BB.tif

Opopaea marangaroo, female epigynum, epigynal area, dorsal view (image by BB, specimen ID: ---23637)

OPOPAMARANfpepid23637BB.tif

 

DISTRIBUTION

AUSTRALIA
Opopaea marangaroo 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 00023636  AUSTRALIA  Western Australia    Marangaroo Reserve, site MR 1  1 Adult Male      -31.83080; 115.83420    25 Sept 1995  M. Harvey, J. Waldock  WAMP 
PBI_OON 00023636  AUSTRALIA  Western Australia    Marangaroo Reserve, site MR 1  1 Adult Female      -31.83080; 115.83420    25 Sept 1995  M. Harvey, J. Waldock  WAMP 
PBI_OON 00023637  AUSTRALIA  Western Australia    Marangaroo Reserve, site MR 1  1 Adult Female  Allotype    -31.83080; 115.83420    25 Sept 1995  M. Harvey, J. Waldock  WAMP 
PBI_OON 00018033  AUSTRALIA  Western Australia    Marangaroo Reserve, site MR 1  1 Adult Male  Holotype    -31.83080; 115.83420    25 Sept 1995  M. Harvey, J. Waldock  WAMP 


 
 
 
 
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