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



            Male (PBI_OON 25961). CEPHALOTHORAX: Carapace pale orange, with dark brown egg-shaped patches behind eyes, 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 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 oval, PLE oval; posterior eye row straight from above, procurved from 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, furrow smooth, 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 orange-brown. Chelicerae slightly divergent, 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, laminate groove absent. 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 anteromedian tip with one strong, tooth-like projection, posteromedian part unmodified, much more heavily sclerotized than sternum. 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, pale orange, 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 absent. Postepigastric scutum weakly sclerotized, pale orange, short, almost rectangular, covering about 1/2 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: pale 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 light, 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 longer than 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.
Ischnothyreus tragicus, male palp, prolateral view (image by KE, specimen ID: ---25961)

ischntragimdpalp25961KE.tif

Ischnothyreus tragicus, male palp, retrolateral view (image by KE, specimen ID: ---25961)

ischntragimdpalr25961KE.tif

Ischnothyreus tragicus, male chelicerae, anterior view (image by KE, specimen ID: ---25961)

ischntragimdchea25961KE.tif

Ischnothyreus tragicus, male chelicerae, posterior view (image by KE, specimen ID: ---25961)

ischntragimdcheT25961KE.tif

Ischnothyreus tragicus, male palp, dorsal view (image by KE, specimen ID: ---25961)

ischntragimdpald25961KE.tif

Ischnothyreus tragicus, male carapace, anterior view (image by KE, specimen ID: ---25961)

ischntragimpcara25961KE.tif

Ischnothyreus tragicus, male habitus, dorsal view (image by KE, specimen ID: ---25961)

ischntragimphabd25961KE.tif

Ischnothyreus tragicus, male habitus, lateral view (image by KE, specimen ID: ---25961)

ischntragimphabl25961KE.tif

Ischnothyreus tragicus, male habitus, ventral view (image by KE, specimen ID: ---25961)

ischntragimphabv25961KE.tif

Ischnothyreus tragicus, male sternum, ventral view (image by KE, specimen ID: ---25961)

ischntragimpstev25961KE.tif


            Female (PBI_OON 25960). As in male except as noted. CEPHALOTHORAX: Carapace without any pattern, pars cephalica slightly elevated in lateral view. Clypeus straight in front view. Mouthparts: Chelicerae, endites and labium pale orange. fangs without prominent basal process. Endites anteromedian tip unmodified. ABDOMEN: Pedicel scutum not extending far dorsal of pedicel. Dorsal scutum covering about 1/2 of abdomen, between 1/4 and 1/2 abdomen width. Epigastric scutum small lateral sclerites present, 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. 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. Trichobothria examined with Compound microscope.
Ischnothyreus tragicus, female epigynum, epigynal area, ventral view (image by KE, specimen ID: ---25960)

ischntragifdepiv25960KE.tif

Ischnothyreus tragicus, female epigynum, epigynal area, ventral view (image by KE, specimen ID: ---25960)

ischntragifpepiv25960KE.tif

Ischnothyreus tragicus, female habitus, dorsal view (image by KE, specimen ID: ---25960)

ischntragifphabd25960KE.tif

Ischnothyreus tragicus, female habitus, lateral view (image by KE, specimen ID: ---25960)

ischntragifphabl25960KE.tif

Ischnothyreus tragicus, female habitus, ventral view (image by KE, specimen ID: ---25960)

ischntragifphabv25960KE.tif

 

DISTRIBUTION

AUSTRALIA
Ischnothyreus tragicus 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 tragicus, 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 00005638  AUSTRALIA  Queensland  N. E. Queensland  Daintree NP, Cape tribulation, Mt Sorrow  2 Mixed    200  -16.07833; 145.46166  rainforest, Leaf Litter  19 Apr 2009  H. Wood  CAS 
  AUSTRALIA  Queensland  N. E. Queensland  Daintree NP, Cape tribulation, Mt Sorrow  2 Mixed    200  -16.07833; 145.46166  rainforest, Leaf Litter  19 Apr 2009  H. Wood  CAS 
PBI_OON 00005681  AUSTRALIA  Queensland  N. E. Queensland  Daintree NP; Cape tribulation section, near Jindalba walk  1 Adult Female      -16.23722; 145.43305  rainforest, Leaf Litter  06 Apr 2009  K. Edward & J. Waldock  QM 
PBI_OON 00026305  AUSTRALIA  Queensland  N. E. Queensland  Daintree NP; Cape trib area, marrdja boardwalk rainforest loop.  1 Adult Female      -16.13555; 145.43944  rainforest, Leaf Litter  06 Apr 2009  K. Edward & J. Waldock  QM 
  AUSTRALIA  Queensland  N. E. Queensland  Daintree NP, Cape tribulation, Mt Sorrow  1 Adult Male    200  -16.07833; 145.46166  rainforest, Leaf Litter  19 Apr 2009  H. Wood  CAS 
PBI_OON 00025776  AUSTRALIA  Queensland    Cape Tribulation, 1.5km W (Site 3)  1 Adult Female    150  -16.08333; 145.46670  rainforest, Leaf Litter  21 Apr 1983  G. Monteith, D. Yeates  QM 
PBI_OON 00025771  AUSTRALIA  Queensland    Cape Tribulation, 4.5km W (Site 9)  1 Adult Female    760  -16.08333; 145.43330  rainforest, Leaf Litter  01 Jan 1983  G. Monteith  QM 
PBI_OON 00021972  AUSTRALIA  Queensland    Karnak-Devils Thumb,8-12km NW Mossman(Site 5)  1 Adult Male    440  -16.38333; 145.28330  rainforest  26 Dec 1989  ANZSES expedition  QM 
PBI_OON 00025815  AUSTRALIA  Queensland    Mt Demi summit, 7km SW Mossman  1 Adult Male    1100  -16.50000; 145.31670  rainforest  17 Dec 1995  G. Monteith, G. Thompson, Ford  QM 
PBI_OON 00021774  AUSTRALIA  Queensland    Mt Hartley summit  1 Adult Female    750  -15.76667; 145.31670  rainforest  08 Nov 1995  G. Monteith, D. Cook, L. Roberts  QM 
PBI_OON 00022210  AUSTRALIA  Queensland    Mt Misery, ascent road  1 Adult Female    730  -15.87317; 145.20970  rainforest  06 Dec 1990  QLD Museum, ANZSES  QM 
PBI_OON 00025779  AUSTRALIA  Queensland    Alexandra Ra, Daintree, rd summit  1 Adult Female    250  -16.25000; 145.43330  rainforest, Leaf Litter  13 Oct 1980  G. Monteith  QM 
PBI_OON 00005841  AUSTRALIA  Queensland    Noah Creek  1 Adult Female      -16.07000; 145.25000  rainforest, in litter  21 Jun 1971  Feehan Taylor  ANIC 
PBI_OON 00025777  AUSTRALIA  Queensland    Cape Tribulation, 1.5km W (Site 3)  1 Adult Male    150  -16.08333; 145.46670  rainforest, Leaf Litter  01 Jan 1983  G. Monteith  QM 
PBI_OON 00025773  AUSTRALIA  Queensland    Cape Tribulation, 3.5km W (Site 7)  1 Adult Female    680  -16.08333; 145.45000  rainforest, Leaf Litter  01 Jan 1983  G. Monteith  QM 
PBI_OON 00021993  AUSTRALIA  Queensland    Mossman Bluff Track,5-10km W Mossman(Site 4)  2 Mixed    600  -16.65000; 145.56670  rainforest  20 Dec 1989  G. Monteith, G. Thompson, ANZSES Expedition  QM 
PBI_OON 00020880  AUSTRALIA  Queensland    Mt Finnigan, Summit  2 Adult Female    1100  -15.48000;   rainforest  21 Nov 1998  G. Monteith  QM 
PBI_OON 00021784  AUSTRALIA  Queensland    Mt Lewis Road, 29 km from Highway  2 Adult Female    1210  -16.51167; 145.27000  rainforest, Leaf Litter  29 Nov 1997  D. Clyne  QM 
PBI_OON 00025778  AUSTRALIA  Queensland    Noah Head, S Cape Tribulation  2 Adult Female    40  -16.13333; 145.45000  rainforest, Leaf Litter  16 Oct 1980  G. Monteith  QM 
PBI_OON 00023603  AUSTRALIA  Queensland    Carnarvon Gorge NP  1 Adult Female      -25.03333; 148.23333  forest, litter  05 Aug 2011  B. Baehr  QM 
PBI_OON 00025772  AUSTRALIA  Queensland    Cape Tribulation, 2km W (Site 4)  1 Adult Female    200  -16.08333; 145.46670  rainforest, Leaf Litter  07 Oct 1982  G. Monteith, D. Yeates, G. Thompson  QM 
PBI_OON 00025755  AUSTRALIA  Queensland    Cape Tribulation, 3km W  1 Adult Female  Paratype  500  -16.08333; 145.43330  rainforest  02 Oct 1982  G. Monteith, D. Yeates, G. Thompson  QM 
PBI_OON 00021725  AUSTRALIA  Queensland    Mossman Bluff Track,5-10km W Mossman(Site 3)  1 Adult Female    480  -16.41667; 145.33330  rainforest  20 Dec 1989  G. Monteith, G. Thompson, ANZSES Expedition  QM 
PBI_OON 00025766  AUSTRALIA  Queensland    Mt Finnigan summit, via Helenvale  1 Adult Male    1100  -15.81667; 145.28330  rainforest  28 May 1985  G. Monteith, D. Cook  QM 
PBI_OON 00021766  AUSTRALIA  Queensland    Mt Lewis Rd (Hut)  1 Adult Female    1200  -16.51667; 146.26670  rainforest  14 Jul 1996  G. Monteith  QM 
PBI_OON 00005578  AUSTRALIA  Queensland    Mt Windsor Uplands, Mt Windsor Road  2 Adult Female    1080  -16.26583; 145.05916  rainforest, Leaf Litter  03 Apr 2009  K. Staunton  QM 
PBI_OON 00025898  AUSTRALIA  Queensland    Windsor Tbld, 35km NNW Mt Carbine  2 Adult Female    1150  -16.25000; 145.13330  rainforest, Leaf Litter  26 Apr 1982  G. Monteith, D. Yeates, D. Cook  QM 
PBI_OON 00025960  AUSTRALIA  Queensland    3.0km W Cape Tribulation. Site 6  1 Adult Female  Paratype  500  -16.08333; 145.43330  rainforest  19 Sept 1982  G. Monteith, D. Yeates, G. Thompson  QM 
PBI_OON 00025775  AUSTRALIA  Queensland    Cape Tribulation, 2km W (Site 4)  1 Adult Female    200  -16.08333; 145.46670  rainforest, Leaf Litter  02 Jan 1983  G. Monteith  QM 
PBI_OON 00025774  AUSTRALIA  Queensland    Cape Tribulation, 4.5-5km W (Top Camp)  1 Adult Female    770  -16.08333; 145.43330  rainforest, Leaf Litter  01 Oct 1982  G. Monteith, D. Yeates, G. Thompson  QM 
PBI_OON 00022064  AUSTRALIA  Queensland    Mossman Bluff (site 5)  1 Adult Female    760  -16.47083; 145.29150  rainforest  20 Dec 1989  G. Monteith, G. Thompson, ANZSES  QM 
PBI_OON 00025888  AUSTRALIA  Queensland    Mt Finnigan  1 Adult Male    950  -15.81667; 145.28330  rainforest  19 Apr 1982  G. Monteith, D. Yeates, D. Cook  QM 
PBI_OON 00005844  AUSTRALIA  Queensland    Mt Lewis  1 Adult Female    960  -16.35000; 145.17000  rainforest, Leaf Litter  30 Oct 1976  R.W. Taylor & A. Weir  ANIC 
PBI_OON 00025829  AUSTRALIA  Queensland    Mt Pieter-Botte, 0.5km E  1 Adult Female    780  -16.08333; 145.38330  rainforest, Leaf Litter  05 Oct 1982  G. Monteith, D. Yeates, G. Thompson  QM 
PBI_OON 00021773  AUSTRALIA  Queensland    SW slope of Mt Hartley  1 Adult Male    750  -15.76667; 145.31670  rainforest  08 Nov 1995  G. Monteith, D. Cook, L. Roberts  QM 
PBI_OON 00025961  AUSTRALIA  Queensland    3.0km W Cape Tribulation. Site 6  1 Adult Male  Holotype  500  -16.08333; 145.43330  rainforest  23 Sept 1982  G. Monteith, D. Yeates, G. Thompson  QM 


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