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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Ischnothyreus stauntoni       Get publication



            Male (PBI_OON 5545). Total length 1.48. CEPHALOTHORAX: Carapace yellow-brown, with dark brown egg-shaped patches behind eyes, broadly oval in dorsal view, pars cephalica strongly elevated in lateral view, anteriorly narrowed to between 0.5 and 0.75 times its maximum width, 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 finely reticulate, sides strongly reticulate, 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, needle-like, present, scattered; non-marginal pars thoracica setae absent; marginal setae absent. Clypeus margin unmodified, curved downwards in front view, vertical in lateral view, low, ALE separated from edge of carapace by less than their radius, median projection absent; setae present, dark, needle-like. Eyes six, well developed, ALE largest, ALE circular, PME circular, PLE oval; posterior eye row procurved from both above and front; ALE touching, 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, lateral margin without infra-coxal grooves, distance between coxae approximately equal, extensions of pre-coxal triangles present, lateral margins unmodified, without posterior hump; setae sparse, dark, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae straight, anterior face unmodified; promargin with three or more teeth, retromargin without teeth; fangs without tooth-like projections, directed medially, shape normal, with prominent basal process, tip unmodified; setae dark, needle-like, evenly scattered; paturon inner margin with scattered setae, distal region unmodified, posterior surface unmodified, promargin unmodified, inner margin with medial denticles. Labium elongated hexagon, not fused to sternum, anterior margin indented at middle, same as sternum in sclerotization; with 6 or more setae on anterior margin, subdistal portion with unmodified setae. Endites distally not excavated, 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, elliptical, without setae, anterolateral edge unmodified. Posterior spiracles not connected by groove. Pedicel tube short, unmodified, scuto-pedicel region unmodified, scutum extending far dorsal of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent. Dorsal scutum weakly sclerotized, yellow-brown, without color pattern, covering more than 3/4 of abdomen, more than 1/2 to most of abdomen width, 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 present. Postepigastric scutum weakly sclerotized, pale orange, short, almost rectangular, covering about 2/3 of abdominal length, fused to epigastric scutum, anterior margin unmodified, without posteriorly directed lateral apodemes. Spinneret scutum present, incomplete ring. Dorsum setae present, dark, needle-like. Epigastric area setae uniform, dark, needle-like. Postepigastric area setae present, dark, needle-like. Spinneret scutum with fringe of needle-like setae. Dense patch of setae anterior to spinnerets absent. Interscutal membrane with setae. LEGS: orange, without color pattern; femur IV not thickened, same size as femora I-III, patella plus tibia I shorter than carapace. Leg spination (only surfaces bearing spines listed, all spines longer than segment width): femora: I p0-2-0; II p0-1-0; tibiae: I, II p2-2-0; v2-2-0; metatarsi: I, II p1-1-0; v1-1-0. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria examined with Compound microscope; tibia: each with three; metatarsus: each with one. GENITALIA: Epigastric region with sperm pore large, triangular with rounded angles, situated at level of anterior spiracles, unmodified; furrow with pair of omega-shaped insertions, without setae. Palp normal size, strongly sclerotized, right and left palps symmetrical, proximal segments dark red-brown; embolus dark, prolateral excavation absent; trochanter normal size, with ventral projection; femur normal size, shorter than trochanter, without posteriorly rounded lateral dilation, attaching to patella basally; patella about as long as femur, not enlarged, without prolateral row of ridges, setae unmodified; tibia trichobothria with 3 trichobothria; cymbium dark red-brown, ovoid in dorsal view, fused with bulb but with clearly defined seam between, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, without distal patch of setae; bulb dark red-brown, more than 2 times as long as cymbium, stout, tapering apically.

            Female (PBI_OON 5624). Total length 1.68. As in male except as noted. CEPHALOTHORAX: Carapace without any pattern, pars cephalica slightly elevated in lateral view, anteriorly narrowed to 0.49 times its maximum width or less. Eyes posterior eye row straight from above. Mouthparts: fangs without prominent basal process. Endites anteromedian tip unmodified. ABDOMEN: Pedicel scutum not extending far dorsal of pedicel. Dorsal scutum covering 1/2 to 3/4 of abdomen, between 1/4 and 1/2 abdomen width. Epigastric scutum without lateral joints. Postepigastric scutum widely hexagonal, covering about 1/3 of the abdominal length, not fused to epigastric scutum, with short posteriorly directed lateral apodemes. Dense patch of setae anterior to spinnerets present. Colulus present. LEGS: Leg spination (only surfaces bearing spines listed, all spines longer than segment width): femora: I p0-2-0; II p0-1-0; tibiae: I, II p2-2-0; v2-2-0; metatarsi: I, II p1-1-0; v1-1-0. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria examined with Compound microscope.
 

DISTRIBUTION

AUSTRALIA
Ischnothyreus stauntoni 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 Ischnothyreus stauntoni, Discover Life Map
 

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 00005628  AUSTRALIA  Queensland    Paluma Range NP; Birthday creek falls track  3 Mixed      -18.98277; 146.15833  rainforest, Leaf Litter  06 May 2009  K. Edward & P. Cullen  QM 
PBI_OON 00025833  AUSTRALIA  Queensland    Upper Boulder, via Tully  1 Adult Female      -17.83333; 145.90000  rainforest, Leaf Litter  27 Oct 1983  G. Monteith, D. Yeates, G. Thompson  QM 
PBI_OON 00005577  AUSTRALIA  Queensland    Atherton Tableland, Japonvale  1 Adult Female    80  -17.71694; 145.86111  rainforest, Leaf Litter  26 Mar 2009  K. Staunton  QM 
PBI_OON 00025724  AUSTRALIA  Queensland    Clump Mountain NP, Bicton Hill Track  2 Adult Female      -17.84722; 146.10027  rainforest, Leaf Litter  01 May 2007  K. Edward & K. Pitz  QM 
PBI_OON 00025875  AUSTRALIA  Queensland    Mission Beach  1 Adult Female    20  -17.52000; 146.05000  rainforest  29 Jan 1996  Cermak, M.  ANIC 
PBI_OON 00005547  AUSTRALIA  Queensland    Paluma Range NP; Birthday creek falls track  1 Adult Male      -18.98277; 146.15833  rainforest, Leaf Litter  06 May 2009  K. Edward & P. Cullen  QM 
PBI_OON 00005551  AUSTRALIA  Queensland    Hinchinbrook Island, Macushla to Nth Shepherd Beach  1 Adult Male      -18.22138; 146.22666  rainforest, Leaf Litter  03 May 2009  K. Edward & P. Cullen  QM 
PBI_OON 00025845  AUSTRALIA  Queensland    Wooroonooran NP; The boulders, start of Goldsborough track  4 Mixed      -17.33888; 145.86694  rainforest, Leaf Litter  24 Apr 2009  K. Edward & P. Cullen  QM 
PBI_OON 00005624  AUSTRALIA  Queensland    Tam O'Shanter National Park, Licuala Fan Palm walk  1 Adult Female  Paratype    -17.91500; 146.06833  wet rainforest, Leaf Litter  07 May 2009  K. Edward & P. Cullen  QM 
PBI_OON 00025725  AUSTRALIA  Queensland    Clump Mountain NP, Bicton Hill Track  1 Adult Male      -17.84722; 146.10027  rainforest, Leaf Litter  01 May 2007  K. Edward & K. Pitz  QM 
PBI_OON 00025869  AUSTRALIA  Queensland    McNamee Creek  1 Adult Female    400  -17.00000; 145.00000  rainforest  08 Jul 1971  Taylor & Feehan  ANIC 
PBI_OON 00025834  AUSTRALIA  Queensland    Mt Tyson, 2km W Tully  1 Adult Female    650  -17.91667; 145.90000  rainforest, Leaf Litter  07 May 1983  D.K. Yeates  QM 
PBI_OON 00025842  AUSTRALIA  Queensland    Hinchinbrook Island, Macushla to Nth Shepherd Beach  6 Mixed      -18.22138; 146.22666  rainforest, Leaf Litter  03 May 2009  K. Edward & P. Cullen  QM 
PBI_OON 00005625  AUSTRALIA  Queensland    Wooroonooran NP; Goldsborough section, kearneys falls walking track  1 Adult Male      -17.23722; 145.77833  rainforest, Leaf Litter  25 Apr 2009  K. Edward & P. Cullen  QM 
PBI_OON 00005545  AUSTRALIA  Queensland    Tam O'Shanter National Park, Licuala Fan Palm walk  1 Adult Male  Holotype    -17.91500; 146.06833  wet rainforest, Leaf Litter  07 May 2009  K. Edward & P. Cullen  QM 
PBI_OON 00005553  AUSTRALIA  Queensland    Cardwell SF, Murray Falls boardwalk  1 Adult Male      -18.15250; 145.81777  rainforest, Leaf Litter  02 May 2009  K. Edward & P. Cullen  QM 
PBI_OON 00025844  AUSTRALIA  Queensland    Girringun NP; Wallaman falls area, Banggurru walk  3 Adult Male      -18.61000; 145.80083  rainforest, Leaf Litter  02 May 2009  K. Edward & P. Cullen  QM 
PBI_OON 00025840  AUSTRALIA  Queensland    Hinchinbrook Island, track to Cape Richards from Nth Shepherd  5 Mixed      -18.19916; 146.22583  rainforest, Leaf Litter  03 May 2009  K. Edward & P. Cullen  QM 
PBI_OON 00005537  AUSTRALIA  Queensland    Wooroonooran NP; Goldsborough section, kearneys falls walking track  2 Mixed      -17.23722; 145.77833  rainforest, Leaf Litter  25 Apr 2009  K. Edward & P. Cullen  QM 
PBI_OON 00005549  AUSTRALIA  Queensland    Bowling Green Bay NP, Alligator creek section  1 Adult Male      -19.44055; 146.94722  rainforest, Leaf Litter  05 May 2009  K. Edward & P. Cullen  QM 
PBI_OON 00005627  AUSTRALIA  Queensland    Clump Mountain NP, Rainforest Walk  1 Adult Female      -17.84722; 146.06611  rainforest, Leaf Litter  01 May 2007  K. Edward & K. Pitz  QM 
PBI_OON 00025832  AUSTRALIA  Queensland    Mt Father Clancy  2 Adult Female    840  -17.58333; 145.63330  rainforest, Leaf Litter  04 May 1983  G. Monteith, D. Yeates  QM 


 
 
 
 
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The Field Museum of Natural History, Chicago   George Washington University, Washington DC
 
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