(Female redundant descriptions removed)
Ischnothyreus cornuatus
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Male (PBI_OON 25944). Total length 1.50. 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 with slightly sclerotized triangular 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, straight 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, light, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae slightly divergent, 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 light, 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, 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, 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: yellow, 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 shorter than femur, not enlarged, without prolateral row of ridges, setae unmodified; tibia trichobothria with 2 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 cornuatus, male palp, prolateral view (image by KE, specimen ID: ---25944)
ischncornumdpalp25944KE.tif
| Ischnothyreus cornuatus, male palp, retrolateral view (image by KE, specimen ID: ---25944)
ischncornumdpalr25944KE.tif
| Ischnothyreus cornuatus, male chelicerae, anterior view (image by KE, specimen ID: ---25944)
ischncornumdchea25944KE.tif
| Ischnothyreus cornuatus, male chelicerae, posterior view (image by KE, specimen ID: ---25944)
ischncornumdcheT25944KE.tif
| Ischnothyreus cornuatus, male palp, dorsal view (image by KE, specimen ID: ---25944)
ischncornumdpald25944KE.tif
| Ischnothyreus cornuatus, male carapace, anterior view (image by KE, specimen ID: ---25944)
ischncornumpcara25944KE.tif
| Ischnothyreus cornuatus, male habitus, dorsal view (image by KE, specimen ID: ---25944)
ischncornumphabd25944KE.tif
| Ischnothyreus cornuatus, male habitus, lateral view (image by KE, specimen ID: ---25944)
ischncornumphabl25944KE.tif
| Ischnothyreus cornuatus, male habitus, ventral view (image by KE, specimen ID: ---25944)
ischncornumphabv25944KE.tif
| Ischnothyreus cornuatus, male sternum, ventral view (image by KE, specimen ID: ---25944)
ischncornumpstev25944KE.tif
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Female (PBI_OON 25757). Total length 1.73. As in male except as noted. CEPHALOTHORAX: Carapace without any pattern. Sternum setae dark. Mouthparts: paturon inner margin unmodified. 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 covering 1/2 to 3/4 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. Colulus present. LEGS: pale orange. 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.
Ischnothyreus cornuatus, female epigynum, epigynal area, ventral view (image by KE, specimen ID: ---25757)
ischncornufdepiv25757KE.tif
| Ischnothyreus cornuatus, female epigynum, epigynal area, ventral view (image by KE, specimen ID: ---25757)
ischncornufpepiv25757KE.tif
| Ischnothyreus cornuatus, female habitus, dorsal view (image by KE, specimen ID: ---25757)
ischncornufphabd25757KE.tif
| Ischnothyreus cornuatus, female habitus, lateral view (image by KE, specimen ID: ---25757)
ischncornufphabl25757KE.tif
| Ischnothyreus cornuatus, female habitus, ventral view (image by KE, specimen ID: ---25757)
ischncornufphabv25757KE.tif
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DISTRIBUTION
AUSTRALIA
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Ischnothyreus cornuatus, 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 00021982 |
AUSTRALIA |
Queensland |
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Tower nr The Crater NP |
5 Mixed |
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1230 |
-17.45000; 145.48330 |
rainforest |
25 Nov 1994 |
G. Monteith, J. Hasenpusch |
QM |
PBI_OON 00005847 |
AUSTRALIA |
Queensland |
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Mt Fisher |
1 Adult Female |
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1150 |
-17.33000; 145.32000 |
rainforest |
03 May 1995 |
P. Zborowski |
ANIC |
PBI_OON 00022107 |
AUSTRALIA |
Queensland |
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Millaa Millaa Lookout |
1 Adult Male |
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1000 |
-17.51667; 145.56670 |
rainforest |
01 Dec 1993 |
J. Hasenpusch |
QM |
PBI_OON 00022177 |
AUSTRALIA |
Queensland |
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Tower nr The Crater |
1 Adult Female |
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1230 |
-17.45000; 145.48330 |
rainforest, Leaf Litter |
23 Nov 1994 |
G. Monteith |
QM |
PBI_OON 00025797 |
AUSTRALIA |
Queensland |
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21km S Atherton |
1 Adult Male |
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1070 |
-17.45000; 145.46670 |
rainforest, Leaf Litter |
05 Nov 1983 |
D. Yeates, G. Thompson |
QM |
PBI_OON 00025799 |
AUSTRALIA |
Queensland |
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Mt Fisher, 7 km SW. of Millaa Millaa |
1 Adult Male |
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1100 |
-17.55000; 145.55000 |
rainforest, Leaf Litter |
27 Apr 1982 |
G. Monteith, D. Yeates, D. Cook |
QM |
PBI_OON 00025757 |
AUSTRALIA |
Queensland |
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21km S Atherton |
1 Adult Female |
Paratype |
1070 |
-17.45000; 145.46670 |
rainforest, Leaf Litter |
05 Nov 1983 |
D. Yeates, G. Thompson |
QM |
PBI_OON 00025944 |
AUSTRALIA |
Queensland |
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21km S Atherton |
1 Adult Male |
Holotype |
1070 |
-17.45000; 145.46670 |
rainforest, Leaf Litter |
05 Nov 1983 |
D. Yeates, G. Thompson |
QM |
PBI_OON 00021955 |
AUSTRALIA |
Queensland |
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Mt Fisher (Kjelberg) |
1 Adult Female |
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1100 |
-17.53333; 145.55000 |
rainforest, Leaf Litter |
18 May 1995 |
G. Monteith |
QM |
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