(Female redundant descriptions removed)
Opopaea triangularis
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Male (PBI_OON 4698). Total length 1.33. 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 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, 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, straight 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: 0.068; PME: 0.069; PLE: 0.055, PME largest, 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 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, light, 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 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, labium basally with semicircular rim; 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 small, 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 lateral of pedicel, 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. 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, anterior margin of postepigastric scutum with elevated triangle of ridges. 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: 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, circular, situated at level of anterior spiracles, unmodified; 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 0.297 long, 0.156wide, connection to femur at 0.55.; tibia trichobothria not examined; cymbium pale orange, narrow 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, similar to O. calm. bulb ventrally strongly bulged with strong prolateral spine, tip spatulate with deep prolateral incision, fentesta small.
Opopaea triangularis, male abdomen, anterior view (image by BB, specimen ID: ---04698)
OPOPATRIANmpabda04698BB.tif
| Opopaea triangularis, male abdomen, ventral view (image by BB, specimen ID: ---04698)
OPOPATRIANmpabdv04698BB.tif
| Opopaea triangularis, male carapace, anterior view (image by BB, specimen ID: ---04698)
OPOPATRIANmpcara04698BB.tif
| Opopaea triangularis, male carapace, prolateral view (image by BB, specimen ID: ---04698)
OPOPATRIANmpcarp04698BB.tif
| Opopaea triangularis, male habitus, lateral view (image by BB, specimen ID: ---04698)
OPOPATRIANmphabl04698BB.tif
| Opopaea triangularis, male habitus, dorsal view (image by BB, specimen ID: ---04698)
OPOPATRIANmphabd04698BB.tif
| Opopaea triangularis, male habitus, ventral view (image by BB, specimen ID: ---04698)
OPOPATRIANmphabv04698BB.tif
| Opopaea triangularis, male palp, prolateral view (image by BB, specimen ID: ---04698)
OPOPATRIANmppalp04698BB.tif
| Opopaea triangularis, male palp, retrolateral view (image by BB, specimen ID: ---04698)
OPOPATRIANmppalr04698BB.tif
| Opopaea triangularis, male palp, dorsal view (image by BB, specimen ID: ---04698)
OPOPATRIANmppald04698BB.tif
| Opopaea triangularis, male abdomen, ventral view (image by BB, specimen ID: ---23631)
OPOPATRIANmsabdv23631BB.tif
| Opopaea triangularis, male endites, ventral view (image by BB, specimen ID: ---23631)
OPOPATRIANmsendv23631BB.tif
| Opopaea triangularis, male palp, dorsal view (image by BB, specimen ID: ---23631)
OPOPATRIANmspald23631BB.tif
| Opopaea triangularis, male palp, prolateral view (image by BB, specimen ID: ---23631)
OPOPATRIANmspalp23631BB.tif
| Opopaea triangularis, male pedicel, lateral view (image by BB, specimen ID: ---23631)
OPOPATRIANmspedl23631BB.tif
| Opopaea triangularis, male sternum, ventral view (image by BB, specimen ID: ---23631)
OPOPATRIANmsstev23631BB.tif
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Female (PBI_OON 23619). Total length 1.61. As in male except as noted. CEPHALOTHORAX: Eyes aLE: 0.066; PME: 0.062; PLE: 0.044. Labium labium basally with semicircular rim. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Pedicel scuto-pedicel region about diameter of pedicel, paired scutal ridges connected. 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 triangularis, female abdomen, anterior view (image by BB, specimen ID: ---23619)
OPOPATRIANfpabda23619BB.tif
| Opopaea triangularis, female carapace, anterior view (image by BB, specimen ID: ---23619)
OPOPATRIANfpcara23619BB.tif
| Opopaea triangularis, female abdomen, ventral view (image by BB, specimen ID: ---23619)
OPOPATRIANfpabdv23619BB.tif
| Opopaea triangularis, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---23619)
OPOPATRIANfpepiv23619BB.tif
| Opopaea triangularis, female habitus, dorsal view (image by BB, specimen ID: ---23619)
OPOPATRIANfphabd23619BB.tif
| Opopaea triangularis, female habitus, lateral view (image by BB, specimen ID: ---23619)
OPOPATRIANfphabl23619BB.tif
| Opopaea triangularis, female habitus, ventral view (image by BB, specimen ID: ---23619)
OPOPATRIANfphabv23619BB.tif
| Opopaea triangularis, female epigynum, epigynal area, dorsal view (image by BB, specimen ID: ---23619)
OPOPATRIANfpepid23619BB.tif
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DISTRIBUTION
AUSTRALIA
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Opopaea triangularis, Discover Life Map
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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 00023631 |
AUSTRALIA |
Western Australia |
Pilbara |
Marda Pool, 11 km ESE |
1 Adult Male |
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-21.05555; 116.25166 |
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24 Sept 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004701 |
AUSTRALIA |
Western Australia |
Pilbara |
Meentheena Outcamp, 14 km E |
1 Adult Male |
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-21.27138; 120.58500 |
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01 Aug 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004706 |
AUSTRALIA |
Western Australia |
Pilbara |
Yanyare River Mouth, 8.5 km WSW |
4 Adult Male |
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-20.84277; 116.36694 |
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28 Nov 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004712 |
AUSTRALIA |
Western Australia |
Pilbara |
Meentheena Outcamp, 78 km E |
2 Adult Male |
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-21.30416; 121.20027 |
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29 Jul 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004715 |
AUSTRALIA |
Western Australia |
Pilbara |
Warrawagine Homestead, 11 km SW |
1 Adult Male |
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-20.91694; 120.62416 |
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03 Jul 2005 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004718 |
AUSTRALIA |
Western Australia |
Pilbara |
Cowra Line Camp, 34 km NNW site RHNW09 22°04'07.7"S 118°58'43.3"E |
2 Adult Male |
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-22.06861; 118.97861 |
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26 Aug 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00023619 |
AUSTRALIA |
Western Australia |
Pilbara |
Marda Pool, 11 km ESE |
1 Adult Female |
Allotype |
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-21.05555; 116.25166 |
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24 Sept 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004706 |
AUSTRALIA |
Western Australia |
Pilbara |
Yanyare River Mouth, 8.5 km WSW |
1 Adult Female |
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-20.84277; 116.36694 |
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28 Nov 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004711 |
AUSTRALIA |
Western Australia |
Pilbara |
Meentheena Outcamp, 32.5 km ESE |
2 Adult Male |
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-21.33361; 120.75222 |
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31 Jul 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004714 |
AUSTRALIA |
Western Australia |
Pilbara |
Wodgina, 13 km SSE |
1 Adult Male |
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-21.27972; 118.69888 |
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23 Sept 2005 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004717 |
AUSTRALIA |
Western Australia |
Pilbara |
Meentheena Outcamp, 58 km ESE |
1 Adult Male |
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-21.32194; 121.00222 |
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30 Jul 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00048271 |
AUSTRALIA |
Western Australia |
Pilbara |
Bonney Downs Homestead, 21 km WNW |
1 Adult Male |
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-22.09472; 119.75333 |
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07 Aug 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004698 |
AUSTRALIA |
Western Australia |
Pilbara |
Marda Pool, 11 km ESE |
1 Adult Male |
Holotype |
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-21.05555; 116.25166 |
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24 Sept 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004704 |
AUSTRALIA |
Western Australia |
Pilbara |
Mt Murray, 1 km SE |
1 Adult Male |
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-22.49833; 115.55805 |
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29 Sept 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004708 |
AUSTRALIA |
Western Australia |
Pilbara |
Lake Poongkaliyarra, 9 km NW |
1 Adult Male |
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-20.93972; 117.03472 |
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03 Jul 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004713 |
AUSTRALIA |
Western Australia |
Pilbara |
Meentheena Outcamp,83 km E |
4 Adult Female |
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-21.28833; 121.23722 |
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29 Jul 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004716 |
AUSTRALIA |
Western Australia |
Pilbara |
Wodgina, 20 km ENE |
4 Adult Female |
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-21.11472; 118.85166 |
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23 Sept 2005 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004722 |
AUSTRALIA |
Western Australia |
Pilbara |
Meentheena Outcamp, 10 km E |
2 Adult Male |
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-21.24611; 120.53888 |
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01 Aug 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004702 |
AUSTRALIA |
Western Australia |
Pilbara |
Meentheena Outcamp, 10 km E |
1 Adult Male |
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-21.24611; 120.53888 |
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01 Aug 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004707 |
AUSTRALIA |
Western Australia |
Pilbara |
Nullagine, 45 km N |
1 Adult Male |
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-21.47972; 120.09055 |
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19 May 2004 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004713 |
AUSTRALIA |
Western Australia |
Pilbara |
Meentheena Outcamp,83 km E |
4 Adult Male |
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-21.28833; 121.23722 |
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29 Jul 2003 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004716 |
AUSTRALIA |
Western Australia |
Pilbara |
Wodgina, 20 km ENE |
3 Adult Male |
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-21.11472; 118.85166 |
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23 Sept 2005 |
CALM Pilbara Survey |
WAMP |
PBI_OON 00004719 |
AUSTRALIA |
Western Australia |
Pilbara |
Wodgina, 32.5 km SSE |
1 Adult Male |
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-21.45833; 118.72583 |
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23 Sept 2005 |
CALM Pilbara Survey |
WAMP |
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