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



            Male (PBI_OON 5611). Total length 1.53. 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 strongly 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, high, ALE separated from edge of carapace by their radius or more, median projection absent; setae present, dark, needle-like. Eyes six, well developed, ALE largest, ALE oval, PME circular, 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 as long as 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 dark red-brown. Chelicerae straight, anterior face unmodified; promargin with three or more teeth, retromargin without teeth; fangs without tooth-like projections, directed medially, shape normal, without 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, much more heavily sclerotized than sternum; 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, yellow-brown, without color pattern, covering 1/2 to 3/4 of abdomen, more than 1/2 to most of abdomen width, not fused to epigastric scutum, middle surface finely reticulate, sides finely reticulate, 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 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. Colulus present. 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 dark; 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.
Ischnothyreus corniculatum, male carapace, anterior view (image by KE, specimen ID: ---05611)

ischncornimpcara05611KE.tif

Ischnothyreus corniculatum, male carapace, ventral view (image by KE, specimen ID: ---05611)

ischncornimpcarv05611KE.tif

Ischnothyreus corniculatum, male habitus, dorsal view (image by KE, specimen ID: ---05611)

ischncornimphabd05611KE.tif

Ischnothyreus corniculatum, male habitus, lateral view (image by KE, specimen ID: ---05611)

ischncornimphabl05611KE.tif

Ischnothyreus corniculatum, male habitus, ventral view (image by KE, specimen ID: ---05611)

ischncornimphabv05611KE.tif

Ischnothyreus corniculatum, male sternum, ventral view (image by KE, specimen ID: ---05611)

ischncornimpstev05611KE.tif

Ischnothyreus corniculatum, male chelicerae, anterior view (image by KE, specimen ID: ---05611)

ischncornimdchea05611KE.tif


            Female (PBI_OON 26309). Total length 1.50. 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. Mouthparts: Chelicerae, endites and labium pale orange. Labium with 6 or more setae on anterior margin. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Pedicel scutum not extending far dorsal of pedicel. Dorsal scutum between 1/4 and 1/2 abdomen width. 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; r0-1-1; II p0-1-0; r0-1-0; tibiae: I, II p2-2-0; v2-2-0; metatarsi: I, II p1-1-0; v1-1-0; (leg I: spines on retrolateral side much smaller than on prolateral side, leg II: spine on retrolateral side much smaller than on prolateral side. ). Tarsi I to IV superior claws tooth not examined in detail. Trichobothria examined with Compound microscope.
Ischnothyreus corniculatum, female epigynum, epigynal area, ventral view (image by KE, specimen ID: ---26309)

ischncornifpepiv26309KE.tif

Ischnothyreus corniculatum, female habitus, dorsal view (image by KE, specimen ID: ---26309)

ischncornifphabd26309KE.tif

Ischnothyreus corniculatum, female habitus, lateral view (image by KE, specimen ID: ---26309)

ischncornifphabl26309KE.tif

Ischnothyreus corniculatum, female habitus, ventral view (image by KE, specimen ID: ---26309)

ischncornifphabv26309KE.tif

Ischnothyreus corniculatum, female epigynum, epigynal area, ventral view (image by KE, specimen ID: ---26309)

ischncornifdepiv26309KE.tif

 

DISTRIBUTION

AUSTRALIA
Ischnothyreus corniculatum 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 corniculatum, 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 00026241  AUSTRALIA  Queensland    Mt Fisher, 7km SW Millaa Millaa, Kjellberg Rd  2 Adult Female    1000  -17.55000; 145.56670    03 May 1983  G. Monteith, D. Yeates  QM 
PBI_OON 00021947  AUSTRALIA  Queensland    Mt Fisher, Kjellberg Rd  1 Adult Male    1000  -17.53333; 145.55000    01 Dec 1993  J. Hasenpusch  QM 
PBI_OON 00022037  AUSTRALIA  Queensland    2km E of South Johnstone Forestry Camp  1 Adult Female      -17.60000; 146.00000    01 Dec 1993  J. Hasenpusch  QM 
PBI_OON 00005535  AUSTRALIA  Queensland    Herberton Range State Forest, Forestry track  1 Adult Male      -17.27111; 145.42277  rainforest, Leaf Litter  23 Apr 2009  K. Edward & P. Cullen  QM 
PBI_OON 00025796  AUSTRALIA  Queensland    Malaan SF  4 Adult Male    1000  -17.58333; 145.58330  rainforest  20 Apr 1978  R. Raven, V. Davies  QM 
PBI_OON 00025931  AUSTRALIA  Queensland    Palmerston NP  1 Adult Male    670  -17.58834; 145.70000  rainforest  25 Jul 1992  R. Raven, P. Lawless, E. Lawless, M. Shaw  QM 
PBI_OON 00026306  AUSTRALIA  Queensland    Wooroonooran NP, Tchupala falls track  1 Adult Female      -17.61000; 145.77722  rainforest, Leaf Litter  27 Apr 2009  K. Edward & P. Cullen  QM 
PBI_OON 00006434  AUSTRALIA  Queensland    U Boulder Ck, Walter Hill Ra  1 Adult Female    950  -17.83333; 145.90000  rainforest, Leaf Litter  17 Nov 1984  V. Davies, G. Monteith, J. Gallon, D. Cook, G. Thompson  QM 
PBI_OON 00021746  AUSTRALIA  Queensland    Downey Ck, 25km SE Millaa Millaa  1 Adult Female    400  -17.65000; 145.78330  rainforest, Leaf Litter  07 Dec 1988  G. Monteith, G. Thompson  QM 
PBI_OON 00022202  AUSTRALIA  Queensland    The Millstream,10km NNE Ravenshoe  1 Adult Male    1040  -17.53333; 145.51670  rainforest, Leaf Litter  06 Dec 1998  G. Monteith, D. Cook  QM 
PBI_OON 00025798  AUSTRALIA  Queensland    Boulder Creek, via Tully  1 Adult Male    550  -17.83333; 145.90000  rainforest, Leaf Litter  27 Oct 1983  G. Monteith, D. Yeates, G. Thompson  QM 
PBI_OON 00025915  AUSTRALIA  Queensland    Malaan SF  3 Adult Male    1000  -17.58333; 145.58330  rainforest  20 Apr 1978  R. Raven, V. Davies  QM 
PBI_OON 00025919  AUSTRALIA  Queensland    Palmerston NP  1 Adult Male    670  -17.58834; 145.70000  rainforest  30 Nov 1992  R.J. & S. Raven, P. & E. Lawless  QM 
PBI_OON 00026312  AUSTRALIA  Queensland    Wooroonooran NP, Tchupala falls track  1 Adult Female      -17.61000; 145.77722  rainforest, Leaf Litter  17 May 2007  K. Edward & K. Pitz  QM 
PBI_OON 00021789  AUSTRALIA  Queensland    Kenny Rd  1 Adult Male    850  -17.46667; 145.53330  rainforest, Leaf Litter  25 Nov 1994  G. Monteith, J. Hasenpusch  QM 
PBI_OON 00022202  AUSTRALIA  Queensland    The Millstream,10km NNE Ravenshoe  1 Adult Female    1040  -17.53333; 145.51670  rainforest, Leaf Litter  06 Dec 1998  G. Monteith, D. Cook  QM 
PBI_OON 00026309  AUSTRALIA  Queensland    Herberton Range State Forest, Forestry track  5 Mixed  Paratype    -17.27111; 145.42277  rainforest, Leaf Litter  23 Apr 2009  K. Edward & P. Cullen  ANIC 
PBI_OON 00025927  AUSTRALIA  Queensland    Longlands Gap SF  1 Adult Female      -17.45500; 145.47420  forest  23 Jul 1992  R. Raven, P. Lawless, E. Lawless, M. Shaw  QM 
PBI_OON 00025848  AUSTRALIA  Queensland    McNamee Creek  2 Adult Male    400  -17.00000; 145.00000  rainforest, Leaf Litter  08 Jul 1971  Taylor & Feehan  ANIC 
PBI_OON 00021708  AUSTRALIA  Queensland    Palmerston NP, Downey Ck Rd  2 Adult Female      -17.60500; 145.76670  rainforest  30 Oct 1991  R. Raven, P. Lawless, M. Shaw  QM 
PBI_OON 00005611  AUSTRALIA  Queensland    Herberton Range State Forest, Forestry track  1 Adult Male  Holotype    -17.27111; 145.42277  rainforest, Leaf Litter  23 Apr 2009  K. Edward & P. Cullen  QM 
PBI_OON 00025800  AUSTRALIA  Queensland    Mt Fisher, 7km SW Millaa Millaa, Kjellberg Rd  1 Adult Male    1000  -17.55000; 145.56670  rainforest, Leaf Litter  03 May 1983  G. Monteith, D. Yeates  QM 
PBI_OON 00022027  AUSTRALIA  Queensland    U Boulder Ck, 8km N of Tully  1 Adult Female    250  ;   rainforest, Leaf Litter  04 Dec 1989  G. Monteith, G. Thompson, H. Janetzki  QM 
PBI_OON 00005848  AUSTRALIA  Queensland    Tully Falls National Park  1 Adult Female    750  -17.47000; 145.33000  rainforest, litter berlese  02 Jul 1971  Taylor & Feehan  ANIC 
PBI_OON 00025927  AUSTRALIA  Queensland    Longlands Gap SF  1 Adult Male      -17.45500; 145.47420  forest  23 Jul 1992  R. Raven, P. Lawless, E. Lawless, M. Shaw  QM 
PBI_OON 00021735  AUSTRALIA  Queensland    Malaan SF  1 Adult Male      -17.58834; 145.60750  rainforest  26 Nov 1992  R. Raven, P. Lawless  QM 
PBI_OON 00021705  AUSTRALIA  Queensland    Palmerston NP, Downey Ck Rd  2 Adult Male      -17.60500; 145.76670  rainforest  25 Jul 1992  R. Raven, P. Lawless, M. Shaw  QM 
PBI_OON 00005566  AUSTRALIA  Queensland    Wooroonooran NP, Tchupala falls track  1 Adult Female      -17.61000; 145.77722  rainforest, Leaf Litter  27 Apr 2009  K. Edward & P. Cullen  QM 


 
 
 
 
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