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OONOPIDAE SPECIES DESCRIPTION
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Opopaea wheelarra       Get publication



            Male (PBI_OON 4471). Total length 1.84. CEPHALOTHORAX: Carapace orange-brown, without any pattern, broadly oval 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 strongly reticulate, 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 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: 0.085; PME: 0.085; PLE: 0.063, ALE, PME subequal, larger than PLE, ALE circular, PME squared, PLE circular; posterior eye row recurved from above, straight from front; ALE separated by their radius to diameter, ALE-PLE separated by less than ALE radius, PME touching for less than half 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, with posterior notch, anterior area of notch covered with small pits; setae sparse, 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, 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. ABDOMEN: globular, 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 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 region about diameter of pedicel, paired scutal ridges connected by arc. 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, long, semicircular, covering nearly full length of abdominal length, fused to epigastric scutum, anterior margin unmodified, with long posteriorly directed lateral apodemes. Spinneret scutum present, incomplete ring, epigastric area, between anteriorand posterior spiracles, slightly concave and dotted but no seatae. 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: pale orange, 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 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; patella longer than femur, much larger than femur, without prolateral row of ridges, setae unmodified, patella orange brown, 0.373 long, 0.188 wide, connection to femur at 0.61; tibia trichobothria not examined; cymbium orange-brown, narrow 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; bulb orange-brown, 1 to 1.5 times as long as cymbium, slender, tapering apically, bulb ventrally slightly bulged tip prolaterally incised, spatulate, bent medially with striated ridge, fenestra large distal from incision..
Opopaea wheelarra, male abdomen, anterior view (image by BB, specimen ID: ---04471)

OPOPAWHEELmpabda04471BB.tif

Opopaea wheelarra, male carapace, anterior view (image by BB, specimen ID: ---04471)

OPOPAWHEELmpcara04471BB.tif

Opopaea wheelarra, male habitus, dorsal view (image by BB, specimen ID: ---04471)

OPOPAWHEELmphabd04471BB.tif

Opopaea wheelarra, male habitus, lateral view (image by BB, specimen ID: ---04471)

OPOPAWHEELmphabl04471BB.tif

Opopaea wheelarra, male habitus, ventral view (image by BB, specimen ID: ---04471)

OPOPAWHEELmphabv04471BB.tif

Opopaea wheelarra, male palp, dorsal view (image by BB, specimen ID: ---04471)

OPOPAWHEELmppald04471BB.tif

Opopaea wheelarra, male palp, prolateral view (image by BB, specimen ID: ---04471)

OPOPAWHEELmppalp04471BB.tif

Opopaea wheelarra, male palp, retrolateral view (image by BB, specimen ID: ---04471)

OPOPAWHEELmppalr04471BB.tif

Opopaea wheelarra, male abdomen, ventral view (image by BB, specimen ID: ---04471)

OPOPAWHEELmsabdv04471BB.tif

Opopaea wheelarra, male endites, ventral view (image by BB, specimen ID: ---04471)

OPOPAWHEELmsendv04471BB.tif

Opopaea wheelarra, male palp, dorsal view (image by BB, specimen ID: ---04471)

OPOPAWHEELmspald04471BB.tif

Opopaea wheelarra, male palp, prolateral view (image by BB, specimen ID: ---04471)

OPOPAWHEELmspalp04471BB.tif

Opopaea wheelarra, male sternum, ventral view (image by BB, specimen ID: ---04471)

OPOPAWHEELmsstev04471BB.tif


            Female (PBI_OON 4471). Total length 1.86. As in male except as noted. CEPHALOTHORAX: Eyes aLE: 0.091; PME: 0.086; PLE: 0.063. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Pedicel scutla ridges merge 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 wheelarra, female carapace, anterior view (image by BB, specimen ID: ---04471)

OPOPAWHEELfpcara04471BB.tif

Opopaea wheelarra, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---04471)

OPOPAWHEELfpepiv04471BB.tif

Opopaea wheelarra, female habitus, dorsal view (image by BB, specimen ID: ---04471)

OPOPAWHEELfphabd04471BB.tif

Opopaea wheelarra, female habitus, lateral view (image by BB, specimen ID: ---04471)

OPOPAWHEELfphabl04471BB.tif

Opopaea wheelarra, female habitus, ventral view (image by BB, specimen ID: ---04471)

OPOPAWHEELfphabv04471BB.tif

 

DISTRIBUTION

AUSTRALIA
Opopaea wheelarra coordinates
Click the following link for a map from Discover Life which displays the records below. You can click anywhere on that map to zoom in, and clicking on any point will display the full data for that locality Opopaea wheelarra, Discover Life Map
 

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 00004471  AUSTRALIA  Western Australia  Pilbara  Wheelarra, 33.5km E  14 Adult Female      -23.37250; 120.45805    04 Sept 2005  CALM Pilbara Survey  WAMP 
PBI_OON 00005089  AUSTRALIA  Western Australia  Pilbara  Mt Berry, 19.7 km WNW  1 Adult Male      -22.43750; 116.27416    08 Sept 2003  CALM Pilbara Survey  WAMP 
PBI_OON 00004471  AUSTRALIA  Western Australia  Pilbara  Wheelarra, 33.5km E  32 Adult Male      -23.37250; 120.45805    04 Sept 2005  CALM Pilbara Survey  WAMP 
PBI_OON 00005098  AUSTRALIA  Western Australia  Pilbara  Phyton Pool, 5 km WSW  2 Adult Male      -21.34111; 117.18833    08 May 2004  CALM Pilbara Survey  WAMP 
PBI_OON 00004471  AUSTRALIA  Western Australia  Pilbara  Wheelarra, 33.5km E  1 Adult Male  Holotype    -23.37250; 120.45805    04 Sept 2005  CALM Pilbara Survey  WAMP 
PBI_OON 00004471  AUSTRALIA  Western Australia  Pilbara  Wheelarra, 33.5km E  1 Adult Female  Paratype    -23.37250; 120.45805    04 Sept 2005  CALM Pilbara Survey  WAMP 
PBI_OON 00005091  AUSTRALIA  Western Australia  Pilbara  Mt Berry, 19.7 km WNW  1 Adult Male      -22.43750; 116.27416    08 Sept 2003  CALM Pilbara Survey  WAMP 


 
 
 
 
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