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OONOPIDAE SPECIES DESCRIPTION
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Cavisternum toadshow       Get publication



            Male (PBI_OON 6053). Total length 1.15. CEPHALOTHORAX: Carapace pale orange, without any pattern, ovoid in dorsal view, pars cephalica flat 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 smooth, sides smooth, thorax without depressions, fovea absent, without radiating rows of pits; lateral margin straight, rebordered, without denticles; plumose setae near posterior margin of pars thoracica absent; non-marginal pars cephalica setae dark, needle-like, present in u-shaped row; 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. Chilum absent. Eyes six, well developed, ALE largest, ALE circular, PME oval, PLE circular; posterior eye row straight from both above and front; ALE separated by less than their radius, ALE-PLE separated by less than ALE radius, PME touching throughout most of their length, PLE-PME touching. Sternum longer than wide, pale orange, uniform, not fused to carapace, median concavity present, occupying most of the sternum length, 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 absent, lateral margins unmodified, without posterior hump, with long oval field of clavate setae, covering about half of sternum width. Concavity fully covered with clavate setae.; setae sparse, dark, needle-like, densest laterally, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae straight, anterior face unmodified, paturon with median lamina; fang extremely long, x-shaped; without teeth on both promargin and retromargin; fangs without tooth-like projections, directed posteriorly, shape normal, without prominent basal process, tip unmodified; setae dark, needle-like, evenly scattered; paturon distal region unmodified, posterior surface unmodified, promargin unmodified, inner margin unmodified, laminate groove absent. Labium rectangular, not fused to sternum, anterior margin indented at middle, same as sternum in sclerotization; 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: cylindrical, 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, round, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube short, ribbed, scuto-pedicel region unmodified, scutum not 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 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 weakly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum weakly sclerotized, pale orange, long, almost rectangular, covering nearly full length of abdominal length, fused to epigastric scutum, anterior margin unmodified, with long posteriorly directed lateral apodemes. Spinneret scutum present, incomplete ring. Supra-anal scutum absent. 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 short setae. Dense patch of setae anterior to spinnerets absent. Interscutal membrane with setae. Colulus represented only by setae. LEGS: yellow, 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, oval, situated in front of anterior spiracles, unmodified; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments yellow; embolus dark, prolateral excavation absent, palp oval with medially bent, thin embolus and rounded basal projection.; trochanter normal size, unmodified; femur normal size, two or more times as long as 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 not examined; cymbium yellow, ovoid in dorsal view, completely fused with bulb, no seam visible, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, without distal patch of setae; bulb yellow, 1 to 1.5 times as long as cymbium, stout, tapering apically.
Cavisternum toadshow, male abdomen, ventral view (image by BB, specimen ID: ---06053)

cavistoadsmpabdv06053BB.tif

Cavisternum toadshow, male carapace, anterior view (image by BB, specimen ID: ---06053)

cavistoadsmpcara06053BB.tif

Cavisternum toadshow, male endites, ventral view (image by BB, specimen ID: ---06053)

cavistoadsmpendv06053BB.tif

Cavisternum toadshow, male fang, ventral view (image by BB, specimen ID: ---06053)

cavistoadsmpfanv06053BB.tif

Cavisternum toadshow, male habitus, dorsal view (image by BB, specimen ID: ---06053)

cavistoadsmphabd06053BB.tif

Cavisternum toadshow, male habitus, lateral view (image by BB, specimen ID: ---06053)

cavistoadsmphabl06053BB.tif

Cavisternum toadshow, male habitus, ventral view (image by BB, specimen ID: ---06053)

cavistoadsmphabv06053BB.tif

Cavisternum toadshow, male palp, prolateral view (image by BB, specimen ID: ---06053)

cavistoadsmppalp06053BB.tif

Cavisternum toadshow, male palp, retrolateral view (image by BB, specimen ID: ---06053)

cavistoadsmppalr06053BB.tif

Cavisternum toadshow, male palp, ventral view (image by BB, specimen ID: ---06053)

cavistoadsmppalv06053BB.tif

Cavisternum toadshow, male sternum, ventral view (image by BB, specimen ID: ---06053)

cavistoadsmpstev06053BB.tif

Cavisternum toadshow, male palp, dorsal view (image by BB, specimen ID: ---06053)

cavistoadsmdpald06053BB.tif

Cavisternum toadshow, male palp, prolateral view (image by BB, specimen ID: ---06053)

cavistoadsmdpalp06053BB.tif

Cavisternum toadshow, male palp, retrolateral view (image by BB, specimen ID: ---06053)

cavistoadsmdpalr06053BB.tif


            Female (PBI_OON 6053). Total length 1.12. As in male except as noted. CEPHALOTHORAX: Carapace non-marginal pars thoracica setae dark, needle-like; marginal setae dark, needle-like. Sternum median concavity absent, furrow smooth; setae evenly scattered, originating from small pits. Mouthparts: Chelicerae paturon with median lamina; fangs directed medially. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Epigastric scutum without lateral joints. Postepigastric scutum short, almost rectangular, covering about 3/4 of abdominal length, not fused to epigastric scutum. LEGS: tibia I Emeritís glands absent. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Shape: epigastric area with dark rectangular field, a horizontal, slit-like copulatory opening, copulatory duct nearly as broad as both ends.
Cavisternum toadshow, female abdomen, ventral view (image by BB, specimen ID: ---06053)

cavistoadsfpabdv06053BB.tif

Cavisternum toadshow, female carapace, anterior view (image by BB, specimen ID: ---06053)

cavistoadsfpcara06053BB.tif

Cavisternum toadshow, female habitus, dorsal view (image by BB, specimen ID: ---06053)

cavistoadsfphabd06053BB.tif

Cavisternum toadshow, female habitus, lateral view (image by BB, specimen ID: ---06053)

cavistoadsfphabl06053BB.tif

Cavisternum toadshow, female habitus, ventral view (image by BB, specimen ID: ---06053)

cavistoadsfphabv06053BB.tif

Cavisternum toadshow, female sternum, ventral view (image by BB, specimen ID: ---06053)

cavistoadsfpstev06053BB.tif

Cavisternum toadshow, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---06053)

cavistoadsfpepiv06053BB.tif

Cavisternum toadshow, female abdomen, dorsal view (image by BB, specimen ID: ---06053)

cavistoadsfpabdd06053BB.tif

Cavisternum toadshow, female epigynum, epigynal area, dorsal view (image by BB, specimen ID: ---06053)

cavistoadsfdepid06053BB.tif

Cavisternum toadshow, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---06053)

cavistoadsfdepiv06053BB.tif

 

DISTRIBUTION

AUSTRALIA
Cavisternum toadshow 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 Cavisternum toadshow, 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 00006053  AUSTRALIA  Queensland    W of Normanton on Burketown-Normanton Rd  1 Adult Male  Holotype  23  -17.83645; 140.85570    05 Jul 2006  R. Raven, B. Baehr, A. Amey  QM 
PBI_OON 00023344  AUSTRALIA  Queensland    W of Normanton on Burketown-Normanton Rd  1 Adult Female  Allotype  23  -17.83645; 140.85570    05 Jul 2006  R. Raven, B. Baehr, A. Amey  QM 
PBI_OON 00006042  AUSTRALIA  Queensland    13k E of Gulf Development Road East, Normanton  1 Adult Female    -17.83435; 141.12000    04 Jul 2006  R. Raven, B. Baehr, A. Amey  QM 
PBI_OON 00006225  AUSTRALIA  Queensland    16k SSW of Normanton on road  1 Adult Male    29  -17.80333; 141.00800    04 Jul 2006  R. Raven, B. Baehr, A. Amey  QM 
PBI_OON 00006136  AUSTRALIA  Queensland    1k E on Gulf Development Road, S of Normanton  2 Adult Female    20  -17.73643; 141.05130    04 Jul 2006  R. Raven, B. Baehr, A. Amey  QM 


 
 
 
 
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